<?php


namespace App\Http\Controllers\Admin;

use App\Models\Live\Live;
use App\Models\Live\Video;
use App\Models\MediaLibraryMedia;
use App\Models\PayLog;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;

class Aliyun
{

    const API_URL = 'https://live.aliyuncs.com';
    const VERSION = '2016-11-01';
    const SIGN_METHOD = 'HMAC-SHA1';
    const SIGN_VERSION = '1.0';
    const FORMAT = 'json';

    public $appName;
    public $accessKey;
    public $accessSecret;

    public function __construct()
    {
        $this->appName = config('live.aliyun.app_name');
        $this->accessKey = config('live.aliyun.access_key');
        $this->accessSecret = config('live.aliyun.access_secret');
    }

    public function pause($cid, $vid)
    {
        $stream = $this->getStreamName($cid, $vid);
        $params = [
            'Action' => 'ForbidLiveStream',
            'AppName' => $this->appName,
            'DomainName' => config('live.aliyun.push_url'),
            'LiveStreamType' => 'publisher',
            'StreamName' => $stream,
            'Oneshot' => 'yes',
        ];
        $this->request('GET', $params);
    }

    public function resume($cid, $vid)
    {
        $stream = $this->getStreamName($cid, $vid);
        $params = [
            'Action' => 'ResumeLiveStream',
            'AppName' => $this->appName,
            'DomainName' => config('live.aliyun.push_url'),
            'LiveStreamType' => 'publisher',
            'StreamName' => $stream,
        ];
        $this->request('GET', $params);
    }

    public function getPushUrl($cid, $vid)
    {
        $stream = $this->getStreamName($cid, $vid);
        $uri = '/' . $this->appName . '/' . $stream;
        $url = 'rtmp://' . config('live.aliyun.push_url') . $uri . '?auth_key=' . $this->getPushAuthKey($uri);
        return $url;
    }

    public function getPlayUrl($cid, $vid)
    {
        $stream = $this->getStreamName($cid, $vid);
        $uri = '/' . $this->appName . '/' . $stream . '.flv';
        $key = $this->getPlayAuthKey($uri);
//        $url = (request()->isSecure() ? 'https' : 'http') . '://' . config('live.aliyun.pull_url') . $uri . '?auth_key=' . $key;
        $url = 'https://' . config('live.aliyun.pull_url') . $uri . '?auth_key=' . $key;
        return $url;
    }

    public function getHlsPlayUrl($cid, $vid)
    {
        $stream = $this->getStreamName($cid, $vid);
        $uri = '/' . $this->appName . '/' . $stream . '.m3u8';
        $key = $this->getPlayAuthKey($uri);
//        $url = (request()->isSecure() ? 'https' : 'http') . '://' . config('live.aliyun.pull_url') . $uri . '?auth_key=' . $key;
        $url = 'https://' . config('live.aliyun.pull_url') . $uri . '?auth_key=' . $key;
        return $url;
    }

    protected function getStreamName($cid, $vid)
    {
        return sprintf('c_%d_v_%d', $cid, $vid);
    }

    protected function getPushAuthKey($uri)
    {
        $time = time() + 3600 * 5;
        $rand = Str::random(6);
        $uid = 0;
        $authKey = config('live.aliyun.push_key');
        $key = md5($uri . '-' . $time . '-' . $rand . '-' . $uid . '-' . $authKey);
        return $time . '-' . $rand . '-' . $uid . '-' . $key;
    }

    protected function getPlayAuthKey($uri)
    {
        $time = time() + 3600 * 5;
        $rand = Str::random(32);
        $uid = 0;
        $authKey = config('live.aliyun.pull_key');
        $key = md5($uri . '-' . $time . '-' . $rand . '-' . $uid . '-' . $authKey);
        return $time . '-' . $rand . '-' . $uid . '-' . $key;
    }


    protected function request($method, $params)
    {
        function utc_time()
        {
            date_default_timezone_set('UTC');
            $timestamp = new \DateTime();
            return $timestamp->format("Y-m-d\TH:i:s\Z");
        }

        $commonParams = [
            'Version' => self::VERSION,
            'AccessKeyId' => $this->accessKey,
            'SignatureMethod' => self::SIGN_METHOD,
            'Timestamp' => utc_time(),
            'SignatureVersion' => self::SIGN_VERSION,
            'SignatureNonce' => mt_rand(1, 10000),
            'Format' => self::FORMAT,
        ];
        $params = array_merge($commonParams, $params);
        // 字典排序
        ksort($params);
        // 编码转换
        $str = [];
        foreach ($params as $key => $val) {
            if ($key === 'Timestamp') {
                $val = urlencode($val);
            }
            $str[] = $key . '=' . $val;
        }
        $str = implode('&', $str);
        $str = urlencode($str);
        $str = $method . '&%2F&' . $str;
        $str = str_replace('%3A', '%253A', $str);
        $params['Signature'] = base64_encode(hash_hmac('sha1', $str, $this->accessSecret . '&', true));
        $response = $this->geturl($params);
    }

    protected function geturl($data)
    {

        $headerArray = [
            "Content-type:application/x-www-form-urlencoded;"
        ];
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, self::API_URL . '?' . http_build_query($data));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headerArray);
        $output = curl_exec($ch);
        curl_close($ch);
        $output = json_decode($output, true);
        return $output;
    }

    //开启录制状态回调
    public function statusCallback(){
        $headerArray = [
            "Content-type:application/x-www-form-urlencoded;"
        ];
        $data = [
            'Action' => 'AddLiveRecordNotifyConfig',
            'DomainName' => config('live.aliyun.push_url'),
            'NotifyUrl' => 'http://alpha.ufutx.net/api/official/live/record/status/notify',
            'NeedStatusNotify' => true
            ];
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, self::API_URL . '?' . http_build_query($data));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headerArray);
        $output = curl_exec($ch);
        curl_close($ch);
        $output = json_decode($output, true);
        return $output;
    }

    //录播上传到点播系统转码完成
    public function StreamTranscodeComplete($request){
        $video = Video::where('videoid', $request['VideoId'])->first();
        if($video){
            $video->uri = $request['FileUrl'];
            $video->save();

            $live = Live::find($video->live_id);
            if ($live->status == 4) {
                $live->status = 2;
                $live->save();
            }
        }
        //媒体库调用
        $this->TranscodeComplete($request);
    }

    public function AddLiveRecordVideoComplete($request){

        $is_set = Video::where('videoid', $request['VideoId'])->count();
        if(!$is_set) {
            $stream = $request['StreamName'];
            $arr = explode('_', $stream);
            $video = New Video();
            $video->live_id = $arr[3];
            $video->uri = '';
            $video->videoid = $request['VideoId'];
            $video->duration = 0;
            $video->save();

            $live = Live::find($arr[3]);
            if ($live->status == 3) {
                $live->status = 4;
                $live->save();
            }
        }
    }

    /**
     * 视视转码完成回调
     * @param $request
     */
    public function TranscodeComplete($request){
        $video_id = $request['VideoId'];
        if($request['Status'] == 'success'){
            if(!empty($request['FileUrl'])){
                $media = MediaLibraryMedia::where('video_id',$video_id)->get()->toArray();
                if($media){
                    MediaLibraryMedia::where('video_id',$video_id)
                        ->update(['transcode_url' => $request['FileUrl']]);
                }
            }
        }
    }

}