<?php
/**
 * EmailCampaignsApi
 * PHP version 5
 *
 * @category Class
 * @package  SendinBlue\Client
 * @author   Swagger Codegen team
 * @link     https://github.com/swagger-api/swagger-codegen
 */

/**
 * SendinBlue API
 *
 * SendinBlue provide a RESTFul API that can be used with any languages. With this API, you will be able to :   - Manage your campaigns and get the statistics   - Manage your contacts   - Send transactional Emails and SMS   - and much more...  You can download our wrappers at https://github.com/orgs/sendinblue  **Possible responses**   | Code | Message |   | :-------------: | ------------- |   | 200  | OK. Successful Request  |   | 201  | OK. Successful Creation |   | 202  | OK. Request accepted |   | 204  | OK. Successful Update/Deletion  |   | 400  | Error. Bad Request  |   | 401  | Error. Authentication Needed  |   | 402  | Error. Not enough credit, plan upgrade needed  |   | 403  | Error. Permission denied  |   | 404  | Error. Object does not exist |   | 405  | Error. Method not allowed  |   | 406  | Error. Not Acceptable  |
 *
 * OpenAPI spec version: 3.0.0
 * Contact: contact@sendinblue.com
 * Generated by: https://github.com/swagger-api/swagger-codegen.git
 * Swagger Codegen version: 2.4.12
 */

/**
 * NOTE: This class is auto generated by the swagger code generator program.
 * https://github.com/swagger-api/swagger-codegen
 * Do not edit the class manually.
 */

namespace SendinBlue\Client\Api;

use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Psr7\MultipartStream;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\RequestOptions;
use SendinBlue\Client\ApiException;
use SendinBlue\Client\Configuration;
use SendinBlue\Client\HeaderSelector;
use SendinBlue\Client\ObjectSerializer;

/**
 * EmailCampaignsApi Class Doc Comment
 *
 * @category Class
 * @package  SendinBlue\Client
 * @author   Swagger Codegen team
 * @link     https://github.com/swagger-api/swagger-codegen
 */
class EmailCampaignsApi
{
    /**
     * @var ClientInterface
     */
    protected $client;

    /**
     * @var Configuration
     */
    protected $config;

    /**
     * @var HeaderSelector
     */
    protected $headerSelector;

    /**
     * @param ClientInterface $client
     * @param Configuration   $config
     * @param HeaderSelector  $selector
     */
    public function __construct(
        ClientInterface $client = null,
        Configuration $config = null,
        HeaderSelector $selector = null
    ) {
        $this->client = $client ?: new Client();
        $this->config = $config ?: new Configuration();
        $this->headerSelector = $selector ?: new HeaderSelector();
    }

    /**
     * @return Configuration
     */
    public function getConfig()
    {
        return $this->config;
    }

    /**
     * Operation createEmailCampaign
     *
     * Create an email campaign
     *
     * @param  \SendinBlue\Client\Model\CreateEmailCampaign $emailCampaigns Values to create a campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SendinBlue\Client\Model\CreateModel
     */
    public function createEmailCampaign($emailCampaigns)
    {
        list($response) = $this->createEmailCampaignWithHttpInfo($emailCampaigns);
        return $response;
    }

    /**
     * Operation createEmailCampaignWithHttpInfo
     *
     * Create an email campaign
     *
     * @param  \SendinBlue\Client\Model\CreateEmailCampaign $emailCampaigns Values to create a campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SendinBlue\Client\Model\CreateModel, HTTP status code, HTTP response headers (array of strings)
     */
    public function createEmailCampaignWithHttpInfo($emailCampaigns)
    {
        $returnType = '\SendinBlue\Client\Model\CreateModel';
        $request = $this->createEmailCampaignRequest($emailCampaigns);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = $responseBody->getContents();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            return [
                ObjectSerializer::deserialize($content, $returnType, []),
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 201:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\CreateModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation createEmailCampaignAsync
     *
     * Create an email campaign
     *
     * @param  \SendinBlue\Client\Model\CreateEmailCampaign $emailCampaigns Values to create a campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function createEmailCampaignAsync($emailCampaigns)
    {
        return $this->createEmailCampaignAsyncWithHttpInfo($emailCampaigns)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation createEmailCampaignAsyncWithHttpInfo
     *
     * Create an email campaign
     *
     * @param  \SendinBlue\Client\Model\CreateEmailCampaign $emailCampaigns Values to create a campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function createEmailCampaignAsyncWithHttpInfo($emailCampaigns)
    {
        $returnType = '\SendinBlue\Client\Model\CreateModel';
        $request = $this->createEmailCampaignRequest($emailCampaigns);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = $responseBody->getContents();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    return [
                        ObjectSerializer::deserialize($content, $returnType, []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'createEmailCampaign'
     *
     * @param  \SendinBlue\Client\Model\CreateEmailCampaign $emailCampaigns Values to create a campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function createEmailCampaignRequest($emailCampaigns)
    {
        // verify the required parameter 'emailCampaigns' is set
        if ($emailCampaigns === null || (is_array($emailCampaigns) && count($emailCampaigns) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $emailCampaigns when calling createEmailCampaign'
            );
        }

        $resourcePath = '/emailCampaigns';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;



        // body params
        $_tempBody = null;
        if (isset($emailCampaigns)) {
            $_tempBody = $emailCampaigns;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation deleteEmailCampaign
     *
     * Delete an email campaign
     *
     * @param  int $campaignId id of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function deleteEmailCampaign($campaignId)
    {
        $this->deleteEmailCampaignWithHttpInfo($campaignId);
    }

    /**
     * Operation deleteEmailCampaignWithHttpInfo
     *
     * Delete an email campaign
     *
     * @param  int $campaignId id of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function deleteEmailCampaignWithHttpInfo($campaignId)
    {
        $returnType = '';
        $request = $this->deleteEmailCampaignRequest($campaignId);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation deleteEmailCampaignAsync
     *
     * Delete an email campaign
     *
     * @param  int $campaignId id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function deleteEmailCampaignAsync($campaignId)
    {
        return $this->deleteEmailCampaignAsyncWithHttpInfo($campaignId)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation deleteEmailCampaignAsyncWithHttpInfo
     *
     * Delete an email campaign
     *
     * @param  int $campaignId id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function deleteEmailCampaignAsyncWithHttpInfo($campaignId)
    {
        $returnType = '';
        $request = $this->deleteEmailCampaignRequest($campaignId);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'deleteEmailCampaign'
     *
     * @param  int $campaignId id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function deleteEmailCampaignRequest($campaignId)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling deleteEmailCampaign'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'DELETE',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation emailExportRecipients
     *
     * Export the recipients of an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\EmailExportRecipients $recipientExport Values to send for a recipient export request (optional)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SendinBlue\Client\Model\CreatedProcessId
     */
    public function emailExportRecipients($campaignId, $recipientExport = null)
    {
        list($response) = $this->emailExportRecipientsWithHttpInfo($campaignId, $recipientExport);
        return $response;
    }

    /**
     * Operation emailExportRecipientsWithHttpInfo
     *
     * Export the recipients of an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\EmailExportRecipients $recipientExport Values to send for a recipient export request (optional)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SendinBlue\Client\Model\CreatedProcessId, HTTP status code, HTTP response headers (array of strings)
     */
    public function emailExportRecipientsWithHttpInfo($campaignId, $recipientExport = null)
    {
        $returnType = '\SendinBlue\Client\Model\CreatedProcessId';
        $request = $this->emailExportRecipientsRequest($campaignId, $recipientExport);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = $responseBody->getContents();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            return [
                ObjectSerializer::deserialize($content, $returnType, []),
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 202:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\CreatedProcessId',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation emailExportRecipientsAsync
     *
     * Export the recipients of an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\EmailExportRecipients $recipientExport Values to send for a recipient export request (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function emailExportRecipientsAsync($campaignId, $recipientExport = null)
    {
        return $this->emailExportRecipientsAsyncWithHttpInfo($campaignId, $recipientExport)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation emailExportRecipientsAsyncWithHttpInfo
     *
     * Export the recipients of an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\EmailExportRecipients $recipientExport Values to send for a recipient export request (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function emailExportRecipientsAsyncWithHttpInfo($campaignId, $recipientExport = null)
    {
        $returnType = '\SendinBlue\Client\Model\CreatedProcessId';
        $request = $this->emailExportRecipientsRequest($campaignId, $recipientExport);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = $responseBody->getContents();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    return [
                        ObjectSerializer::deserialize($content, $returnType, []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'emailExportRecipients'
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\EmailExportRecipients $recipientExport Values to send for a recipient export request (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function emailExportRecipientsRequest($campaignId, $recipientExport = null)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling emailExportRecipients'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/exportRecipients';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;
        if (isset($recipientExport)) {
            $_tempBody = $recipientExport;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getAbTestCampaignResult
     *
     * Get an A/B test email campaign results
     *
     * @param  int $campaignId Id of the A/B test campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SendinBlue\Client\Model\AbTestCampaignResult
     */
    public function getAbTestCampaignResult($campaignId)
    {
        list($response) = $this->getAbTestCampaignResultWithHttpInfo($campaignId);
        return $response;
    }

    /**
     * Operation getAbTestCampaignResultWithHttpInfo
     *
     * Get an A/B test email campaign results
     *
     * @param  int $campaignId Id of the A/B test campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SendinBlue\Client\Model\AbTestCampaignResult, HTTP status code, HTTP response headers (array of strings)
     */
    public function getAbTestCampaignResultWithHttpInfo($campaignId)
    {
        $returnType = '\SendinBlue\Client\Model\AbTestCampaignResult';
        $request = $this->getAbTestCampaignResultRequest($campaignId);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = $responseBody->getContents();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            return [
                ObjectSerializer::deserialize($content, $returnType, []),
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\AbTestCampaignResult',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 405:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getAbTestCampaignResultAsync
     *
     * Get an A/B test email campaign results
     *
     * @param  int $campaignId Id of the A/B test campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getAbTestCampaignResultAsync($campaignId)
    {
        return $this->getAbTestCampaignResultAsyncWithHttpInfo($campaignId)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getAbTestCampaignResultAsyncWithHttpInfo
     *
     * Get an A/B test email campaign results
     *
     * @param  int $campaignId Id of the A/B test campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getAbTestCampaignResultAsyncWithHttpInfo($campaignId)
    {
        $returnType = '\SendinBlue\Client\Model\AbTestCampaignResult';
        $request = $this->getAbTestCampaignResultRequest($campaignId);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = $responseBody->getContents();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    return [
                        ObjectSerializer::deserialize($content, $returnType, []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getAbTestCampaignResult'
     *
     * @param  int $campaignId Id of the A/B test campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function getAbTestCampaignResultRequest($campaignId)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling getAbTestCampaignResult'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/abTestCampaignResult';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getEmailCampaign
     *
     * Get an email campaign report
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SendinBlue\Client\Model\GetEmailCampaign
     */
    public function getEmailCampaign($campaignId)
    {
        list($response) = $this->getEmailCampaignWithHttpInfo($campaignId);
        return $response;
    }

    /**
     * Operation getEmailCampaignWithHttpInfo
     *
     * Get an email campaign report
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SendinBlue\Client\Model\GetEmailCampaign, HTTP status code, HTTP response headers (array of strings)
     */
    public function getEmailCampaignWithHttpInfo($campaignId)
    {
        $returnType = '\SendinBlue\Client\Model\GetEmailCampaign';
        $request = $this->getEmailCampaignRequest($campaignId);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = $responseBody->getContents();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            return [
                ObjectSerializer::deserialize($content, $returnType, []),
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\GetEmailCampaign',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getEmailCampaignAsync
     *
     * Get an email campaign report
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEmailCampaignAsync($campaignId)
    {
        return $this->getEmailCampaignAsyncWithHttpInfo($campaignId)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getEmailCampaignAsyncWithHttpInfo
     *
     * Get an email campaign report
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEmailCampaignAsyncWithHttpInfo($campaignId)
    {
        $returnType = '\SendinBlue\Client\Model\GetEmailCampaign';
        $request = $this->getEmailCampaignRequest($campaignId);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = $responseBody->getContents();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    return [
                        ObjectSerializer::deserialize($content, $returnType, []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getEmailCampaign'
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function getEmailCampaignRequest($campaignId)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling getEmailCampaign'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getEmailCampaigns
     *
     * Return all your created email campaigns
     *
     * @param  string $type Filter on the type of the campaigns (optional)
     * @param  string $status Filter on the status of the campaign (optional)
     * @param  \DateTime $startDate Mandatory if endDate is used. Starting (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  \DateTime $endDate Mandatory if startDate is used. Ending (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  int $limit Number of documents per page (optional, default to 500)
     * @param  int $offset Index of the first document in the page (optional, default to 0)
     * @param  string $sort Sort the results in the ascending/descending order of record creation. Default order is **descending** if &#x60;sort&#x60; is not passed (optional, default to desc)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SendinBlue\Client\Model\GetEmailCampaigns
     */
    public function getEmailCampaigns($type = null, $status = null, $startDate = null, $endDate = null, $limit = '500', $offset = '0', $sort = 'desc')
    {
        list($response) = $this->getEmailCampaignsWithHttpInfo($type, $status, $startDate, $endDate, $limit, $offset, $sort);
        return $response;
    }

    /**
     * Operation getEmailCampaignsWithHttpInfo
     *
     * Return all your created email campaigns
     *
     * @param  string $type Filter on the type of the campaigns (optional)
     * @param  string $status Filter on the status of the campaign (optional)
     * @param  \DateTime $startDate Mandatory if endDate is used. Starting (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  \DateTime $endDate Mandatory if startDate is used. Ending (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  int $limit Number of documents per page (optional, default to 500)
     * @param  int $offset Index of the first document in the page (optional, default to 0)
     * @param  string $sort Sort the results in the ascending/descending order of record creation. Default order is **descending** if &#x60;sort&#x60; is not passed (optional, default to desc)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SendinBlue\Client\Model\GetEmailCampaigns, HTTP status code, HTTP response headers (array of strings)
     */
    public function getEmailCampaignsWithHttpInfo($type = null, $status = null, $startDate = null, $endDate = null, $limit = '500', $offset = '0', $sort = 'desc')
    {
        $returnType = '\SendinBlue\Client\Model\GetEmailCampaigns';
        $request = $this->getEmailCampaignsRequest($type, $status, $startDate, $endDate, $limit, $offset, $sort);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = $responseBody->getContents();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            return [
                ObjectSerializer::deserialize($content, $returnType, []),
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\GetEmailCampaigns',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getEmailCampaignsAsync
     *
     * Return all your created email campaigns
     *
     * @param  string $type Filter on the type of the campaigns (optional)
     * @param  string $status Filter on the status of the campaign (optional)
     * @param  \DateTime $startDate Mandatory if endDate is used. Starting (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  \DateTime $endDate Mandatory if startDate is used. Ending (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  int $limit Number of documents per page (optional, default to 500)
     * @param  int $offset Index of the first document in the page (optional, default to 0)
     * @param  string $sort Sort the results in the ascending/descending order of record creation. Default order is **descending** if &#x60;sort&#x60; is not passed (optional, default to desc)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEmailCampaignsAsync($type = null, $status = null, $startDate = null, $endDate = null, $limit = '500', $offset = '0', $sort = 'desc')
    {
        return $this->getEmailCampaignsAsyncWithHttpInfo($type, $status, $startDate, $endDate, $limit, $offset, $sort)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getEmailCampaignsAsyncWithHttpInfo
     *
     * Return all your created email campaigns
     *
     * @param  string $type Filter on the type of the campaigns (optional)
     * @param  string $status Filter on the status of the campaign (optional)
     * @param  \DateTime $startDate Mandatory if endDate is used. Starting (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  \DateTime $endDate Mandatory if startDate is used. Ending (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  int $limit Number of documents per page (optional, default to 500)
     * @param  int $offset Index of the first document in the page (optional, default to 0)
     * @param  string $sort Sort the results in the ascending/descending order of record creation. Default order is **descending** if &#x60;sort&#x60; is not passed (optional, default to desc)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEmailCampaignsAsyncWithHttpInfo($type = null, $status = null, $startDate = null, $endDate = null, $limit = '500', $offset = '0', $sort = 'desc')
    {
        $returnType = '\SendinBlue\Client\Model\GetEmailCampaigns';
        $request = $this->getEmailCampaignsRequest($type, $status, $startDate, $endDate, $limit, $offset, $sort);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = $responseBody->getContents();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    return [
                        ObjectSerializer::deserialize($content, $returnType, []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getEmailCampaigns'
     *
     * @param  string $type Filter on the type of the campaigns (optional)
     * @param  string $status Filter on the status of the campaign (optional)
     * @param  \DateTime $startDate Mandatory if endDate is used. Starting (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  \DateTime $endDate Mandatory if startDate is used. Ending (urlencoded) UTC date-time (YYYY-MM-DDTHH:mm:ss.SSSZ) to filter the sent email campaigns. Prefer to pass your timezone in date-time format for accurate result ( only available if either &#39;status&#39; not passed and if passed is set to &#39;sent&#39; ) (optional)
     * @param  int $limit Number of documents per page (optional, default to 500)
     * @param  int $offset Index of the first document in the page (optional, default to 0)
     * @param  string $sort Sort the results in the ascending/descending order of record creation. Default order is **descending** if &#x60;sort&#x60; is not passed (optional, default to desc)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function getEmailCampaignsRequest($type = null, $status = null, $startDate = null, $endDate = null, $limit = '500', $offset = '0', $sort = 'desc')
    {
        if ($limit !== null && $limit > 1000) {
            throw new \InvalidArgumentException('invalid value for "$limit" when calling EmailCampaignsApi.getEmailCampaigns, must be smaller than or equal to 1000.');
        }


        $resourcePath = '/emailCampaigns';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        if ($type !== null) {
            $queryParams['type'] = ObjectSerializer::toQueryValue($type);
        }
        // query params
        if ($status !== null) {
            $queryParams['status'] = ObjectSerializer::toQueryValue($status);
        }
        // query params
        if ($startDate !== null) {
            $queryParams['startDate'] = ObjectSerializer::toQueryValue($startDate);
        }
        // query params
        if ($endDate !== null) {
            $queryParams['endDate'] = ObjectSerializer::toQueryValue($endDate);
        }
        // query params
        if ($limit !== null) {
            $queryParams['limit'] = ObjectSerializer::toQueryValue($limit);
        }
        // query params
        if ($offset !== null) {
            $queryParams['offset'] = ObjectSerializer::toQueryValue($offset);
        }
        // query params
        if ($sort !== null) {
            $queryParams['sort'] = ObjectSerializer::toQueryValue($sort);
        }


        // body params
        $_tempBody = null;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getSharedTemplateUrl
     *
     * Get a shared template url
     *
     * @param  int $campaignId Id of the campaign or template (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return \SendinBlue\Client\Model\GetSharedTemplateUrl
     */
    public function getSharedTemplateUrl($campaignId)
    {
        list($response) = $this->getSharedTemplateUrlWithHttpInfo($campaignId);
        return $response;
    }

    /**
     * Operation getSharedTemplateUrlWithHttpInfo
     *
     * Get a shared template url
     *
     * @param  int $campaignId Id of the campaign or template (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of \SendinBlue\Client\Model\GetSharedTemplateUrl, HTTP status code, HTTP response headers (array of strings)
     */
    public function getSharedTemplateUrlWithHttpInfo($campaignId)
    {
        $returnType = '\SendinBlue\Client\Model\GetSharedTemplateUrl';
        $request = $this->getSharedTemplateUrlRequest($campaignId);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            $responseBody = $response->getBody();
            if ($returnType === '\SplFileObject') {
                $content = $responseBody; //stream goes to serializer
            } else {
                $content = $responseBody->getContents();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            return [
                ObjectSerializer::deserialize($content, $returnType, []),
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\GetSharedTemplateUrl',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getSharedTemplateUrlAsync
     *
     * Get a shared template url
     *
     * @param  int $campaignId Id of the campaign or template (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getSharedTemplateUrlAsync($campaignId)
    {
        return $this->getSharedTemplateUrlAsyncWithHttpInfo($campaignId)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getSharedTemplateUrlAsyncWithHttpInfo
     *
     * Get a shared template url
     *
     * @param  int $campaignId Id of the campaign or template (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getSharedTemplateUrlAsyncWithHttpInfo($campaignId)
    {
        $returnType = '\SendinBlue\Client\Model\GetSharedTemplateUrl';
        $request = $this->getSharedTemplateUrlRequest($campaignId);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    $responseBody = $response->getBody();
                    if ($returnType === '\SplFileObject') {
                        $content = $responseBody; //stream goes to serializer
                    } else {
                        $content = $responseBody->getContents();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    return [
                        ObjectSerializer::deserialize($content, $returnType, []),
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getSharedTemplateUrl'
     *
     * @param  int $campaignId Id of the campaign or template (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function getSharedTemplateUrlRequest($campaignId)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling getSharedTemplateUrl'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/sharedUrl';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation sendEmailCampaignNow
     *
     * Send an email campaign immediately, based on campaignId
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function sendEmailCampaignNow($campaignId)
    {
        $this->sendEmailCampaignNowWithHttpInfo($campaignId);
    }

    /**
     * Operation sendEmailCampaignNowWithHttpInfo
     *
     * Send an email campaign immediately, based on campaignId
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function sendEmailCampaignNowWithHttpInfo($campaignId)
    {
        $returnType = '';
        $request = $this->sendEmailCampaignNowRequest($campaignId);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 402:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation sendEmailCampaignNowAsync
     *
     * Send an email campaign immediately, based on campaignId
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function sendEmailCampaignNowAsync($campaignId)
    {
        return $this->sendEmailCampaignNowAsyncWithHttpInfo($campaignId)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation sendEmailCampaignNowAsyncWithHttpInfo
     *
     * Send an email campaign immediately, based on campaignId
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function sendEmailCampaignNowAsyncWithHttpInfo($campaignId)
    {
        $returnType = '';
        $request = $this->sendEmailCampaignNowRequest($campaignId);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'sendEmailCampaignNow'
     *
     * @param  int $campaignId Id of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function sendEmailCampaignNowRequest($campaignId)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling sendEmailCampaignNow'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/sendNow';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation sendReport
     *
     * Send the report of a campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendReport $sendReport Values for send a report (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function sendReport($campaignId, $sendReport)
    {
        $this->sendReportWithHttpInfo($campaignId, $sendReport);
    }

    /**
     * Operation sendReportWithHttpInfo
     *
     * Send the report of a campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendReport $sendReport Values for send a report (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function sendReportWithHttpInfo($campaignId, $sendReport)
    {
        $returnType = '';
        $request = $this->sendReportRequest($campaignId, $sendReport);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation sendReportAsync
     *
     * Send the report of a campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendReport $sendReport Values for send a report (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function sendReportAsync($campaignId, $sendReport)
    {
        return $this->sendReportAsyncWithHttpInfo($campaignId, $sendReport)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation sendReportAsyncWithHttpInfo
     *
     * Send the report of a campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendReport $sendReport Values for send a report (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function sendReportAsyncWithHttpInfo($campaignId, $sendReport)
    {
        $returnType = '';
        $request = $this->sendReportRequest($campaignId, $sendReport);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'sendReport'
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendReport $sendReport Values for send a report (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function sendReportRequest($campaignId, $sendReport)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling sendReport'
            );
        }
        // verify the required parameter 'sendReport' is set
        if ($sendReport === null || (is_array($sendReport) && count($sendReport) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $sendReport when calling sendReport'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/sendReport';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;
        if (isset($sendReport)) {
            $_tempBody = $sendReport;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation sendTestEmail
     *
     * Send an email campaign to your test list
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendTestEmail $emailTo emailTo (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function sendTestEmail($campaignId, $emailTo)
    {
        $this->sendTestEmailWithHttpInfo($campaignId, $emailTo);
    }

    /**
     * Operation sendTestEmailWithHttpInfo
     *
     * Send an email campaign to your test list
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendTestEmail $emailTo (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function sendTestEmailWithHttpInfo($campaignId, $emailTo)
    {
        $returnType = '';
        $request = $this->sendTestEmailRequest($campaignId, $emailTo);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\PostSendFailed',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation sendTestEmailAsync
     *
     * Send an email campaign to your test list
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendTestEmail $emailTo (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function sendTestEmailAsync($campaignId, $emailTo)
    {
        return $this->sendTestEmailAsyncWithHttpInfo($campaignId, $emailTo)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation sendTestEmailAsyncWithHttpInfo
     *
     * Send an email campaign to your test list
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendTestEmail $emailTo (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function sendTestEmailAsyncWithHttpInfo($campaignId, $emailTo)
    {
        $returnType = '';
        $request = $this->sendTestEmailRequest($campaignId, $emailTo);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'sendTestEmail'
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\SendTestEmail $emailTo (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function sendTestEmailRequest($campaignId, $emailTo)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling sendTestEmail'
            );
        }
        // verify the required parameter 'emailTo' is set
        if ($emailTo === null || (is_array($emailTo) && count($emailTo) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $emailTo when calling sendTestEmail'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/sendTest';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;
        if (isset($emailTo)) {
            $_tempBody = $emailTo;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation updateCampaignStatus
     *
     * Update an email campaign status
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateCampaignStatus $status Status of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function updateCampaignStatus($campaignId, $status)
    {
        $this->updateCampaignStatusWithHttpInfo($campaignId, $status);
    }

    /**
     * Operation updateCampaignStatusWithHttpInfo
     *
     * Update an email campaign status
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateCampaignStatus $status Status of the campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function updateCampaignStatusWithHttpInfo($campaignId, $status)
    {
        $returnType = '';
        $request = $this->updateCampaignStatusRequest($campaignId, $status);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation updateCampaignStatusAsync
     *
     * Update an email campaign status
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateCampaignStatus $status Status of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function updateCampaignStatusAsync($campaignId, $status)
    {
        return $this->updateCampaignStatusAsyncWithHttpInfo($campaignId, $status)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation updateCampaignStatusAsyncWithHttpInfo
     *
     * Update an email campaign status
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateCampaignStatus $status Status of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function updateCampaignStatusAsyncWithHttpInfo($campaignId, $status)
    {
        $returnType = '';
        $request = $this->updateCampaignStatusRequest($campaignId, $status);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'updateCampaignStatus'
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateCampaignStatus $status Status of the campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function updateCampaignStatusRequest($campaignId, $status)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling updateCampaignStatus'
            );
        }
        // verify the required parameter 'status' is set
        if ($status === null || (is_array($status) && count($status) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $status when calling updateCampaignStatus'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}/status';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;
        if (isset($status)) {
            $_tempBody = $status;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'PUT',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation updateEmailCampaign
     *
     * Update an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateEmailCampaign $emailCampaign Values to update a campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function updateEmailCampaign($campaignId, $emailCampaign)
    {
        $this->updateEmailCampaignWithHttpInfo($campaignId, $emailCampaign);
    }

    /**
     * Operation updateEmailCampaignWithHttpInfo
     *
     * Update an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateEmailCampaign $emailCampaign Values to update a campaign (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function updateEmailCampaignWithHttpInfo($campaignId, $emailCampaign)
    {
        $returnType = '';
        $request = $this->updateEmailCampaignRequest($campaignId, $emailCampaign);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 404:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation updateEmailCampaignAsync
     *
     * Update an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateEmailCampaign $emailCampaign Values to update a campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function updateEmailCampaignAsync($campaignId, $emailCampaign)
    {
        return $this->updateEmailCampaignAsyncWithHttpInfo($campaignId, $emailCampaign)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation updateEmailCampaignAsyncWithHttpInfo
     *
     * Update an email campaign
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateEmailCampaign $emailCampaign Values to update a campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function updateEmailCampaignAsyncWithHttpInfo($campaignId, $emailCampaign)
    {
        $returnType = '';
        $request = $this->updateEmailCampaignRequest($campaignId, $emailCampaign);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'updateEmailCampaign'
     *
     * @param  int $campaignId Id of the campaign (required)
     * @param  \SendinBlue\Client\Model\UpdateEmailCampaign $emailCampaign Values to update a campaign (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function updateEmailCampaignRequest($campaignId, $emailCampaign)
    {
        // verify the required parameter 'campaignId' is set
        if ($campaignId === null || (is_array($campaignId) && count($campaignId) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $campaignId when calling updateEmailCampaign'
            );
        }
        // verify the required parameter 'emailCampaign' is set
        if ($emailCampaign === null || (is_array($emailCampaign) && count($emailCampaign) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $emailCampaign when calling updateEmailCampaign'
            );
        }

        $resourcePath = '/emailCampaigns/{campaignId}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($campaignId !== null) {
            $resourcePath = str_replace(
                '{' . 'campaignId' . '}',
                ObjectSerializer::toPathValue($campaignId),
                $resourcePath
            );
        }

        // body params
        $_tempBody = null;
        if (isset($emailCampaign)) {
            $_tempBody = $emailCampaign;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'PUT',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation uploadImageToGallery
     *
     * Upload an image to your account's image gallery
     *
     * @param  \SendinBlue\Client\Model\UploadImageToGallery $uploadImage Parameters to upload an image (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function uploadImageToGallery($uploadImage)
    {
        $this->uploadImageToGalleryWithHttpInfo($uploadImage);
    }

    /**
     * Operation uploadImageToGalleryWithHttpInfo
     *
     * Upload an image to your account's image gallery
     *
     * @param  \SendinBlue\Client\Model\UploadImageToGallery $uploadImage Parameters to upload an image (required)
     *
     * @throws \SendinBlue\Client\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function uploadImageToGalleryWithHttpInfo($uploadImage)
    {
        $returnType = '';
        $request = $this->uploadImageToGalleryRequest($uploadImage);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? $e->getResponse()->getBody()->getContents() : null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\SendinBlue\Client\Model\ErrorModel',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation uploadImageToGalleryAsync
     *
     * Upload an image to your account's image gallery
     *
     * @param  \SendinBlue\Client\Model\UploadImageToGallery $uploadImage Parameters to upload an image (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function uploadImageToGalleryAsync($uploadImage)
    {
        return $this->uploadImageToGalleryAsyncWithHttpInfo($uploadImage)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation uploadImageToGalleryAsyncWithHttpInfo
     *
     * Upload an image to your account's image gallery
     *
     * @param  \SendinBlue\Client\Model\UploadImageToGallery $uploadImage Parameters to upload an image (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function uploadImageToGalleryAsyncWithHttpInfo($uploadImage)
    {
        $returnType = '';
        $request = $this->uploadImageToGalleryRequest($uploadImage);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'uploadImageToGallery'
     *
     * @param  \SendinBlue\Client\Model\UploadImageToGallery $uploadImage Parameters to upload an image (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    protected function uploadImageToGalleryRequest($uploadImage)
    {
        // verify the required parameter 'uploadImage' is set
        if ($uploadImage === null || (is_array($uploadImage) && count($uploadImage) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $uploadImage when calling uploadImageToGallery'
            );
        }

        $resourcePath = '/emailCampaigns/images';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;



        // body params
        $_tempBody = null;
        if (isset($uploadImage)) {
            $_tempBody = $uploadImage;
        }

        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/json'],
                ['application/json']
            );
        }

        // for model (json/xml)
        if (isset($_tempBody)) {
            // $_tempBody is the method argument, if present
            $httpBody = $_tempBody;
            
            if($headers['Content-Type'] === 'application/json') {
                // \stdClass has no __toString(), so we should encode it manually
                if ($httpBody instanceof \stdClass) {
                    $httpBody = \GuzzleHttp\json_encode($httpBody);
                }
                // array has no __toString(), so we should encode it manually
                if(is_array($httpBody)) {
                    $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($httpBody));
                }
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $multipartContents[] = [
                        'name' => $formParamName,
                        'contents' => $formParamValue
                    ];
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = \GuzzleHttp\Psr7\build_query($formParams);
            }
        }

        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('api-key');
        if ($apiKey !== null) {
            $headers['api-key'] = $apiKey;
        }
        // this endpoint requires API key authentication
        $apiKey = $this->config->getApiKeyWithPrefix('partner-key');
        if ($apiKey !== null) {
            $headers['partner-key'] = $apiKey;
        }

        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = \GuzzleHttp\Psr7\build_query($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Create http client option
     *
     * @throws \RuntimeException on file opening failure
     * @return array of http client options
     */
    protected function createHttpClientOption()
    {
        $options = [];
        if ($this->config->getDebug()) {
            $options[RequestOptions::DEBUG] = fopen($this->config->getDebugFile(), 'a');
            if (!$options[RequestOptions::DEBUG]) {
                throw new \RuntimeException('Failed to open the debug file: ' . $this->config->getDebugFile());
            }
        }

        return $options;
    }
}
