<?php


namespace App\Services;

use App\Log;

class HttpService
{
    /*
     * 封装HTTP请求 -- POST
     * */
    public static function httpPost($url, $data = null,$json = FALSE, $headers = null){
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($data)){
            //设置请求为POST
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            if($json){
                $header = array(
                    'Content-Type: application/json; charset=utf-8',
                    'Content-Length: ' . strlen($data)
                );

                if(!empty($headers)) {
                    $header = array_merge($header, $headers);
                }

                curl_setopt($curl, CURLOPT_HEADER, 0);
                curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
            }
        }

        //设置是否将响应结果存入变量，1是存入，0是直接输出
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
        //然后将响应结果存入变量
        $output = curl_exec($curl);
        //关闭这个curl会话资源
        curl_close($curl);
        return $output;
    }

    /*
     *  封装HTTP请求 -- GET
     * */
    public static function httpGet($url, $headers = null){

        $curl = curl_init(); // 启动一个CURL会话
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
        //curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);  // 从证书中检查SSL加密算法是否存在

        if ($headers) {
            curl_setopt($curl, CURLOPT_HTTPHEADER, $headers); // 设置请求的header
        }

        $output = curl_exec($curl);     //返回api的json对象
        //关闭URL请求
        curl_close($curl);
        return $output;    //返回json对象
    }

    /*
     *  封装HTTP请求 -- 通过图片全路径上传图片
     * */
    public static function httpUpload($url, $filePath, $type='', $title='', $introduction='')
    {
        $file_data = array("media"  => new \CURLFile($filePath, '', $title));

        if($type == 'video') {
            $extra = [
                'description' => urldecode(json_encode([
                    'title' => $title,
                    'introduction' => $introduction
                ], JSON_UNESCAPED_UNICODE))
            ];
            $file_data = array_merge($file_data, $extra);
        }
        $curl = curl_init();
        curl_setopt($curl , CURLOPT_URL , $url);
        curl_setopt($curl , CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
        curl_setopt($curl , CURLOPT_POST, 1);
        curl_setopt($curl , CURLOPT_POSTFIELDS, $file_data);
        $output = curl_exec($curl);
        if ($output === FALSE){
            echo 'cURL Error:'.curl_error($curl);
        }
        curl_close($curl);
        return $output;
    }
}