<?php

namespace app\common\model\live;

use think\Model;
use fast\Random;

class Room extends Model
{


    // 表名
    protected $name = 'live_room';

    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = false;
    protected $deleteTime = false;

    // 追加属性
    protected $append = [

    ];


    /**
     * 通过课程获取直播间信息
     * @param $courseId
     * @return false
     */
    public function courseGetRoom($courseId){
        $data = self::with(['course'])
            ->where([
                'course_id'=>$courseId
            ])->find();
//        ->cache(\app\common\constant\cache\Keys::LIVE_ROOM_CONFIG.$courseId)

        if(!$data){
            return false;
        }

        if($data['course']['live_type'] == 2){
            //这里是伪直播
            $liveVideo = json_decode($data['course']['live_video'],true);

            $liveVideo['fullurl'] = parse_file_url($liveVideo['url'],$liveVideo['storage']);

            $data['push_url'] = [
                'hls'=>$liveVideo['fullurl']
            ];

        }elseif($data['course']['live_type'] == 3){
            //自定义播流地址
            $data['push_url'] = [
                'hls'=>$data['course']['live_custom_url']
            ];

        }else{
            $data['push_url'] = \app\common\library\live\Url::playUrl($data['app_name'],$data['stream_name']);

            // 阿里云直播且开启多清晰度时，生成各清晰度播流地址
            if(isset($data['course']['live_type']) && $data['course']['live_type'] == 1){
                $liveConfig = \app\common\model\config\System::getConfig('ali_live');
                $multiQualityEnabled = isset($liveConfig['multi_quality_enabled']) ? boolval($liveConfig['multi_quality_enabled']) : false;
                $qualityList = isset($liveConfig['quality_list']) ? $liveConfig['quality_list'] : '[]';
                $qualityList = is_string($qualityList) ? json_decode($qualityList, true) : $qualityList;

                if($multiQualityEnabled && !empty($qualityList) && is_array($qualityList)){
                    $qualities = [];
                    foreach($qualityList as $quality){
                        if(!isset($quality['template_id']) || $quality['template_id'] === ''){
                            continue;
                        }
                        $qualities[] = [
                            'name'        => isset($quality['name']) ? $quality['name'] : '',
                            'template_id' => strval($quality['template_id']),
                            'level'       => isset($quality['level']) ? intval($quality['level']) : 0,
                            'url'         => \app\common\library\live\Url::playUrl($data['app_name'], $data['stream_name'], $quality['template_id'])
                        ];
                    }
                    if(!empty($qualities)){
                        // 按 level 降序排列（最高画质在前），前端默认使用第一个
                        usort($qualities, function($a, $b) {
                            return $b['level'] - $a['level'];
                        });
                        $data['qualities'] = $qualities;
                    }
                }
            }
        }


        $globalConfig = \app\common\model\app\Config::getConfig('live');
        $config = json_decode($data['config'],true);
        $config = array_merge($globalConfig,$config);

        // 未安装送礼物插件时，强制关闭礼物功能，避免前端仍请求礼物接口
        if(!\app\admin\library\project\App::isInstall('live_gift') || !class_exists('app\admin\model\live\GiftOptions')){
            $config['gift'] = 0;
        }

        $intField = ['goods','comment_audit','bantalk','gift'];

        foreach ($intField as $field){
            if(isset($config[$field])){
                $config[$field] = intval($config[$field]);
            }
        }

        unset($data['course']);
        $data['config'] = $config;

        return $data;
    }

    /**
     * 获取直播间状态
     * @return void
     */
    public function getRoomStatus($courseId){

        $data = self::with(['course'])
        ->where([
            'course_id'=>$courseId
        ])->find();

        if(!$data){
            return false;
        }

        $livePushStatus = 'offline';

        if($data['course']['live_type'] == 2 || $data['course']['live_type'] == 3){
            //判断当前是否在直播时间
            if($data['course']['live_start_time'] < time() && $data['course']['live_end_time'] > time()){
                $livePushStatus = 'online';
            }
        }else{
            try{
                $livePushStatus = \app\common\library\live\Room::checkLiveStatus($data['app_name'],$data['stream_name']);
            }catch (\Exception $e){
                $livePushStatus = 'offline';
            }
        }


        if($livePushStatus == 'online'){
            return $livePushStatus;
        }
        $data['config'] = json_decode($data['config'],true);

        if($data->course['live_start_time'] > time()){
            //暂未开始
            return 'not_start';
        }

        if(time() > $data->course['live_end_time']){
            //直播已经结束
            //判断是否开始回放，
            if($data['config']['play_back'] == 1){
                //判断是否开启限制回放时间
                if($data['config']['play_back_type'] == 1 || (isset($data['config']['play_back_validity_time']) && strtotime($data['config']['play_back_validity_time']) > time())){
                    //开启后判断有无回放视频
                    if(\app\common\model\live\Playback::checkHasPlaybackVideo($courseId)){
                        //回放中
                        return 'run_playback';
                    }

                    if($data['course']['live_type'] == 2 && $data['course']['live_video_convert_replay'] == 1){
                        return 'run_playback';
                    }

                    //待上传回放
                    return 'wait_playback';
                }
            }

            //已结束 未开启回放
            return 'end';
        }


        //在直播时间内，判断推流状态
        return $livePushStatus;
    }


    /**
     * 获取直播状态列表
     * @return string[]
     */
    public function getLiveStatusList(){
        return [
            'wait_playback',
            'end',
            'run_playback',
            'not_start',
            'online',
            'offline',
            'forbidden',
            'onlinefaild'
        ];
    }


    public function course()
    {
        return $this->belongsTo('app\common\model\course\Course', 'course_id', 'id', [], 'LEFT')->setEagerlyType(0);
    }
}