<?php

namespace Trustpilot\Reviews\Helper;

use Magento\Framework\App\Helper\AbstractHelper;
use \Psr\Log\LoggerInterface;

class HttpClient extends AbstractHelper
{
const HTTP_REQUEST_TIMEOUT = 3;
protected $_logger;

public function __construct(LoggerInterface $logger)
{
$this->_logger = $logger;
}

public function request($url, $httpRequest, $origin = null, $data = null, $params = array(), $timeout = self::HTTP_REQUEST_TIMEOUT)
{
try{
$ch = curl_init();
$this->setCurlOptions($ch, $httpRequest, $data, $origin, $timeout);
$url = $this->buildParams($url, $params);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$content = curl_exec($ch);
$responseData = json_decode($content);
$responseInfo = curl_getinfo($ch);
$responseCode = $responseInfo['http_code'];
curl_close($ch);
$response = array();
$response['code'] = $responseCode;
if (is_object($responseData) || is_array($responseData)) {
$response['data'] = $responseData;
}
return $response;
} catch (\Exception $e){
//intentionally empty
}
}

private function jsonEncoder($data)
{
if (function_exists('json_encode'))
return json_encode($data);
elseif (method_exists('Tools', 'jsonEncode'))
return Tools::jsonEncode($data);
}

private function setCurlOptions($ch, $httpRequest, $data, $origin, $timeout)
{
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if ($httpRequest == 'POST') {
$encoded_data = $this->jsonEncoder($data);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_HTTPHEADER, array('content-type: application/json', 'Content-Length: ' . strlen($encoded_data), 'Origin: ' . $origin));
curl_setopt($ch, CURLOPT_POSTFIELDS, $encoded_data);
return;
} elseif ($httpRequest == 'GET') {
curl_setopt($ch, CURLOPT_POST, false);
return;
}
return;
}

private function buildParams($url, $params = array())
{
if (!empty($params) && is_array($params)) {
$url .= '?'.http_build_query($params);
}
return $url;
}
}