<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Api;
use App\Models\MemberModel;
use App\Models\VideoCollectModel;
use App\Models\VideoModel;
use App\Services\BaseService;
use App\Services\ConfigService;
use App\Services\RedisService;
use Illuminate\Support\Facades\DB;

/**
 * 短视频管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * @package App\Services\Api
 */
class VideoService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     * GoodsService constructor.
     */
    public function __construct()
    {
        $this->model = new VideoModel();
    }

    /**
     * 静态入口
     * @return static|null
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = (new static());
        }
        return self::$instance;
    }

    /**
     * 列表数据
     * @param $params
     * @param int $pageSize
     * @return array
     */
    public function getDataList($params, $pageSize = 18, $field = '', $userId=0)
    {

        $where = ['a.mark' => 1,'b.mark'=>1];
        $field = $field? $field : 'lev_a.*';
        $order = 'lev_a.id desc';
        $list = $this->model->with(['member'])->from('videos as a')
            ->leftJoin('member as b', 'b.id', '=', 'a.user_id')
            ->where($where)
            ->where(function ($query) use ($params) {
                $type = isset($params['type']) ? $params['type'] : 0;
                if ($type > 0) {
                    $query->where('a.type', $type);
                }

                $uid = isset($params['uid']) ? $params['uid'] : 0;
                if ($uid > 0) {
                    $query->where('a.user_id', $uid);
                }else{
                    $query->where('a.status', 2);
                }
            })
            ->where(function ($query) use ($params) {
                $keyword = isset($params['kw']) ? $params['kw'] : '';
                if ($keyword) {
                    $query->where('a.title', 'like', "%{$keyword}%")
                        ->orWhere('a.tags', 'like', "%{$keyword}%")
                        ->orWhere('a.description', 'like', "%{$keyword}%")
                        ->orWhere('b.nickname', 'like', "%{$keyword}%");
                }
            })
            ->where(function ($query) use ($params, $userId) {
                $query->where(function($query) use($userId){
                    // 所有人可见
                    $query->where('a.visible_type', 1);
                })->orWhere(function($query) use($userId){
                    // 关注视频发布用户可见
                    $uids = $uids = MemberCollectService::make()->getCollectUsers(['user_id'=> $userId,'status'=>1,'mark'=>1],'collect_uid');
                    $uids = $uids? $uids : [0];
                    $query->where('a.visible_type', 2)->where('a.user_id', $uids); // 仅自己可见
                })->orWhere(function($query) use($userId){
                    // 仅自己可见
                    $query->where('a.visible_type', 3)->where('a.user_id', $userId); // 仅自己可见
                });
            })
            ->selectRaw($field)
            ->orderByRaw($order)
            ->paginate($pageSize > 0 ? $pageSize : 9999999);

        $list = $list ? $list->toArray() : [];
        if ($list && $list['data']) {
            foreach ($list['data'] as &$item) {
                $item['create_time'] = isset($item['create_time']) ? datetime($item['create_time'], 'Y-m-d H.i.s') : '';
                $item['thumb'] = isset($item['thumb']) && $item['thumb'] ? get_image_url($item['thumb']) : '';
                if(isset($item['albums'])){
                    $albums = $item['albums']? json_decode($item['albums'], true):[];
                    $item['albums'] = $albums? get_images_preview($albums) : [];
                }

                if(isset($item['file_url'])){
                    $item['file_url'] = $item['file_url']? get_image_url($item['file_url']) : '';
                }

                if(isset($item['music_url'])){
                    $item['music_url'] = $item['music_url']? get_image_url($item['music_url']) : '';
                }

                $member = isset($item['member'])? $item['member'] : [];
                if($member){
                    $member['avatar'] = isset($member['avatar']) && $member['avatar']? get_image_url($member['avatar']) : get_image_url('/images/member/logo.png');
                }
                $item['tags'] = isset($item['tags']) && $item['tags']? explode(',', $item['tags']) : [];
                $item['like_num'] = isset($item['like_num']) && $item['like_num']? format_num($item['like_num']) : 0;
                $item['collect_num'] = isset($item['collect_num']) && $item['collect_num']? format_num($item['collect_num']) : 0;
                $item['comment_num'] = isset($item['comment_num']) && $item['comment_num']? format_num($item['comment_num']) : 0;
                $item['views'] = isset($item['views']) && $item['views']? format_num($item['views']) : 0;
                $item['member'] = $member;
            }
        }

        return [
            'pageSize' => $pageSize,
            'total'    => isset($list['total']) ? $list['total'] : 0,
            'list'     => isset($list['data']) ? $list['data'] : []
        ];
    }

    /**
     * 列表数据
     * @param $params
     * @param int $pageSize
     * @return array
     */
    public function getIndexList($params, $pageSize = 6, $field='', $userId=0)
    {
        $where = ['a.mark' => 1,'a.status'=>2,'b.mark'=>1];
        $field = $field? $field : 'lev_a.*';
        $order = 'rand()';
        $model = $this->model->with(['member'])->from('videos as a')
            ->leftJoin('member as b', 'b.id', '=', 'a.user_id')
            ->where($where)
            ->where(function ($query) use ($params) {
                $type = isset($params['type']) ? $params['type'] : 0;
                if ($type > 0) {
                    $query->where('a.type', $type);
                }

                $uid = isset($params['user_id']) ? $params['user_id'] : 0;
                if ($uid > 0) {
                    $query->where('a.user_id', $uid);
                }
            })
            ->where(function ($query) use ($params) {
                $keyword = isset($params['kw']) ? $params['kw'] : '';
                if ($keyword) {
                    $query->where('a.title', 'like', "%{$keyword}%")
                        ->orWhere('a.tags', 'like', "%{$keyword}%")
                        ->orWhere('a.description', 'like', "%{$keyword}%")
                        ->orWhere('b.nickname', 'like', "%{$keyword}%");
                }
            })
            ->where(function ($query) use ($params, $userId) {
                $query->where(function($query) use($userId){
                    // 所有人可见
                    $query->where('a.visible_type', 1);
                })->orWhere(function($query) use($userId){
                    // 关注视频发布用户可见
                    $uids = $uids = MemberCollectService::make()->getCollectUsers(['user_id'=> $userId,'status'=>1,'mark'=>1],'collect_uid');
                    $uids = $uids? $uids : [0];
                    $query->where('a.visible_type', 2)->where('a.user_id', $uids); // 仅自己可见
                })->orWhere(function($query) use($userId){
                    // 仅自己可见
                    $query->where('a.visible_type', 3)->where('a.user_id', $userId); // 仅自己可见
                });
            });

        // 推荐的数据
        $uids = [];
        $countModel = clone $model;
        $total = $countModel->where(function($query) use($params, $userId, &$uids){
            // 推荐视频数据
            $isRecommend = isset($params['is_recommend']) ? $params['is_recommend'] : 0;
            if ($isRecommend > 0) {
                $recommendData = VideoCollectService::make()->getRecommendData($userId);
                $uids = isset($recommendData['uids'])? $recommendData['uids'] : []; // 按用户推荐
                $tags = isset($recommendData['tags'])? $recommendData['tags'] : [];  // 按标签推荐
                if($uids){
                    $query->orWhere(function($query) use($uids){
                        $query->whereIn('a.user_id', $uids);
                    });
                }

                if($tags){
                    $query->orWhere(function($query) use($tags){
                        foreach($tags as $tag){
                            $query->where('a.tags', 'like',"%{$tag}%")
                                ->orWhere('a.description','like',"%{$tag}%");
                        }
                    });
                }
            }
        })->count('a.id');

        // 随机优先匹配推送
        $match = false;
        if($total > 3 && rand(100,999) > 300){
            // 关联推荐数据
            $match = true;
            $list = $countModel->selectRaw($field)
                ->orderByRaw($uids?DB::raw("FIND_IN_SET(user_id,'".implode(',', $uids)."')"):'lev_a.create_time desc')
                ->orderByRaw($order)
                ->paginate($pageSize > 0 ? $pageSize : 9999999);
        }else{
            // 默认推荐数据
            $list = $model->selectRaw($field)
                ->orderByRaw('lev_a.create_time desc')
                ->orderByRaw($order)
                ->paginate($pageSize > 0 ? $pageSize : 9999999);
        }

        $list = $list ? $list->toArray() : [];
        if ($list && $list['data']) {
            foreach ($list['data'] as &$item) {
                $item['time_text'] = isset($item['create_time']) ? dateFormat($item['create_time'], 'Y-m-d H:i') : '';
                $item['thumb'] = isset($item['thumb']) && $item['thumb'] ? get_image_url($item['thumb']) : '';
                if(isset($item['albums'])){
                    $albums = $item['albums']? json_decode($item['albums'], true):[];
                    $item['albums'] = $albums? get_images_preview($albums) : [];
                }

                if(isset($item['file_url'])){
                    $item['file_url'] = $item['file_url']? get_image_url($item['file_url']) : '';
                }

                if(isset($item['music_url'])){
                    $item['music_url'] = $item['music_url']? get_image_url($item['music_url']) : '';
                }

                $member = isset($item['member'])? $item['member'] : [];
                if($member){
                    $member['avatar'] = isset($member['avatar']) && $member['avatar']? get_image_url($member['avatar']) : get_image_url('/images/member/logo.png');
                }
                $item['tags'] = isset($item['tags']) && $item['tags']? explode(',', $item['tags']) : [];
                $item['like_num'] = isset($item['like_num']) && $item['like_num']? intval($item['like_num']) : 0;
                $item['collect_num'] = isset($item['collect_num']) && $item['collect_num']? intval($item['collect_num']) : 0;
                $item['views'] = isset($item['views']) && $item['views']? intval($item['views']) : 0;
                $item['comment_num'] = isset($item['comment_num']) && $item['comment_num']? intval($item['comment_num']) : 0;
                $item['is_like'] = VideoCollectService::make()->checkCollect($userId, $item['id'], 3);
                $item['is_collect'] = VideoCollectService::make()->checkCollect($userId, $item['id'], 2);
                $item['is_follow'] = MemberCollectService::make()->checkCollect($userId, $item['user_id'], 1);
                $item['is_fans'] = MemberCollectService::make()->checkCollect($item['user_id'], $userId, 1);
                $item['is_publisher'] = $userId == $item['user_id']? 1 : 0;
                $item['member'] = $member;
            }
        }

        return [
            'pageSize' => $pageSize,
            "match"=> $match,
            'total'    => isset($list['total']) ? $list['total'] : 0,
            'list'     => isset($list['data']) ? $list['data'] : []
        ];
    }

    /**
     * 详情
     * @param $id
     * @return array
     */
    public function getInfo($id, $userId=0, $field=[])
    {
        $field = $field? $field : ['a.*'];
        $info = $this->model->from('videos as a')->with(['member'])
            ->leftJoin('member as b','b.id','=','a.user_id')
            ->where(['a.id'=> $id,'a.mark'=>1,'b.mark'=>1])
            ->select($field)
            ->first();

        $info = $info? $info->toArray() : [];
        if($info){
            if(isset($info['thumb'])){
                $info['thumb'] = $info['thumb']? get_image_url($info['thumb']) : '';
            }
            if(isset($info['file_url'])){
                $info['file_url'] = $info['file_url']? get_image_url($info['file_url']) : '';
            }
            if(isset($item['music_url'])){
                $item['music_url'] = $item['music_url']? get_image_url($item['music_url']) : '';
            }
            if(isset($info['albums'])){
                $info['albums'] = $info['albums']? json_decode($info['albums'], true) : [];
                $info['albums'] = $info['albums']? get_images_preview($info['albums']) : [];
            }

            $member = isset($info['member'])? $info['member'] : [];
            if($member){
                $member['avatar'] = isset($member['avatar']) && $member['avatar']? get_image_url($member['avatar']) : get_image_url('/images/member/logo.png');
            }
            $info['member'] = $member;
            $info['tags'] = isset($info['tags']) && $info['tags']? explode(',', $info['tags']) : [];
            $info['like_num'] = isset($info['like_num']) && $info['like_num']? intval($info['like_num']) : 0;
            $info['collect_num'] = isset($info['collect_num']) && $info['collect_num']? intval($info['collect_num']) : 0;
            $info['views'] = isset($info['views']) && $info['views']? intval($info['views']) : 0;
            $info['comment_num'] = isset($info['comment_num']) && $info['comment_num']? intval($info['comment_num']) : 0;
            $info['is_like'] = VideoCollectService::make()->checkCollect($userId, $info['id'], 3);
            $info['is_collect'] = VideoCollectService::make()->checkCollect($userId, $info['id'], 2);
            $info['is_follow'] = MemberCollectService::make()->checkCollect($userId, $info['user_id'], 1);
            $info['is_fans'] = MemberCollectService::make()->checkCollect($info['user_id'], $userId, 1);
            $info['is_publisher'] = $userId == $info['user_id']? 1 : 0;
            $info['time_text'] = isset($info['create_time']) ? dateFormat($info['create_time'], 'Y-m-d H:i') : '';
            // 浏览历史
            if(!VideoCollectService::make()->getCollectCacheInfo($userId, $id, 1)){
                $data = [
                    'user_id'=> $userId,
                    'type'=> 1,
                    'collect_id'=> $id,
                    'collect_uid'=> isset($info['user_id'])? $info['user_id'] : 0,
                    'tags'=> isset($info['tags'])? $info['tags'] : '',
                    'create_time'=> time(),
                    'status'=> 1,
                ];
                VideoCollectModel::insert($data);
                RedisService::set("caches:videos:collect:temp_{$userId}_{$id}_1_1", $data, rand(10,30));
                RedisService::clear("caches:videos:recommend:{$userId}_1");
                RedisService::clear("caches:member:fans:{$userId}_{$id}_1");
            }

            // 浏览量
            $this->updateView($userId, $id);
        }

        return $info;
    }

    /**
     * 更新播放浏览历史
     * @param $userId 用户ID
     * @param $id 视频ID
     * @return false
     */
    public function updatePlay($userId, $id)
    {
        // 浏览历史
        if(!VideoCollectService::make()->getCollectCacheInfo($userId, $id, 1)){
            $info = $this->model->from('videos as a')
                ->where(['a.id'=> $id,'a.mark'=>1])
                ->select(['a.id','a.tags','a.user_id'])
                ->first();

            if(empty($info)){
                return false;
            }

            $data = [
                'user_id'=> $userId,
                'type'=> 1,
                'collect_id'=> $id,
                'collect_uid'=> isset($info['user_id'])? $info['user_id'] : 0,
                'tags'=> isset($info['tags'])? $info['tags'] : '',
                'create_time'=> time(),
                'status'=> 1,
            ];
            VideoCollectModel::insert($data);
            RedisService::set("caches:videos:collect:temp_{$userId}_{$id}_1_1", $data, rand(10,30));
            RedisService::clear("caches:videos:recommend:{$userId}_1");
            RedisService::clear("caches:member:fans:{$userId}_{$id}_1");
        }

        // 浏览量
        $this->updateView($userId, $id);
        $this->error = 1010;
        return true;
    }

    /**
     * 更新浏览量
     * @param $userId
     * @param $dynamicId
     * @return array|mixed
     */
    public function updateView($userId, $id)
    {
        $cacheKey = "caches:videos:views:u{$userId}_d{$id}";
        $data = RedisService::get($cacheKey);
        if($data){
            return false;
        }

        // 浏览视频任务处理
        TaskService::make()->updateTask($userId,2, $id);
        $data = $this->model->where(['id'=> $id])->update(['views'=>DB::raw('views + 1'),'update_time'=>time()]);
        RedisService::set($cacheKey, $id, rand(1,3)*3600);
        return $data;
    }


    /**
     * 发布
     * @param $goodsId
     * @return bool
     */
    public function publish($userId, $params, $request)
    {
        $goodsId = isset($params['goods_id'])? intval($params['goods_id']) : 0;
        $type = isset($params['type'])? intval($params['type']) : 2;
        $userInfo = MemberModel::where(['id'=> $userId,'mark'=>1])
            ->select(['id','nickname','status'])
            ->first();
        $status = isset($userInfo['status'])? $userInfo['status'] : 0;
        $nickname = isset($userInfo['nickname'])? $userInfo['nickname'] : '';
        if(empty($userInfo) || $status != 1){
            $this->error = 2017;
            return false;
        }

        $thumb = isset($params['thumb'])? trim($params['thumb']) : '';
        if($thumb){
            $result = upload_base64($thumb);
            $thumb = isset($result['file_path'])? $result['file_path'] : '';
            if(empty($thumb)){
                $this->error = 2208;
                return false;
            }
        }
        // 音乐
        $musicUrl = isset($params['music_url'])? trim($params['music_url']) : '';
        if($musicUrl){
            $result = upload_remote_image($musicUrl,'mp3','music');
            $musicUrl = isset($result['file_path'])? $result['file_path'] : '';
            if(empty($musicUrl)){
                $this->error = 2209;
                return false;
            }
        }

        // 视频
        $fileUrl = isset($params['file_url'])? trim($params['file_url']) : '';
        $albums = isset($params['album_urls'])?json_decode( $params['album_urls'],true) : [];
        if($type == 1) {
            if($fileUrl){
                $result = upload_video($request,'video');
                $data = isset($result['data'])? $result['data'] : [];
                $fileUrl = isset($data['file_path'])? $data['file_path'] : '';
                if(empty($fileUrl)){
                    $this->error = 2212;
                    return false;
                }
            }else{
                $this->error = 2213;
                return false;
            }
        }

        // 相册
        else if($type == 2){
            if(empty($albums) || !is_array($albums)){
                $this->error = 2211;
                return false;
            }

            $albums = get_format_images($albums);
        }

        $title = isset($params['title']) && $params['title']? trim($params['title']) : "{$nickname} 发布的短视频";
        $description = isset($params['description']) && $params['description']? trim($params['description']) : "{$nickname} 发布的短视频";
        $publishCheck = ConfigService::make()->getConfigByCode('video_publish_check',0);
        $publishCheck = $publishCheck>0? $publishCheck : 0;
        $tags = isset($params['tags']) && $params['tags']? $params['tags'] : '';
        $data = [
            'user_id'  => $userId,
            'title'  => $title,
            'type'  => $type,
            'description'  => $description,
            'tags'  =>  $tags && is_array($tags)? implode(',', $tags) : $tags,
            'file_url'  => $fileUrl,
            'thumb'  => $thumb,
            'albums'  => $albums? $albums : '',
            'music_hash'  => isset($params['music_hash'])? trim($params['music_hash']) : '',
            'music_name'  => isset($params['music_name'])? trim($params['music_name']) : '',
            'music_url'  => $musicUrl,
            'goods_id'  => $goodsId,
            'visible_type'  => isset($params['visible_type'])? intval($params['visible_type']) : 1,
            'is_comment'  => isset($params['is_comment'])? intval($params['is_comment']) : 1,
            'status'  => $publishCheck? 1 : 2,
            'mark'  => 1,
            'publish_at' => date('Y-m-d H:i:s'),
            'create_time' => time(),
        ];
        RedisService::set('caches:videos:publish', ['params'=> $params,'data'=> $data], 600);
        if($id = $this->model->insertGetId($data)){
            $this->error = 1023;
            // 发布视频任务处理
            TaskService::make()->updateTask($userId,5, $id);
            return ['id'=> $id];
        }

        $this->error = 1024;
        return false;
    }

    /**
     * 状态设置
     * @return bool
     */
    public function status()
    {
        $id = request()->post('id', 0);
        $status = request()->post('status', 1);
        if ($id && !$this->model->where(['id' => $id, 'mark' => 1])->value('id')) {
            $this->error = 2981;
            return false;
        }

        if($this->model->where(['id'=> $id,'mark'=>1])->update(['status'=>$status, 'update_time'=> time()])){
            $this->error = 1002;
            return true;
        }

        $this->error = 1003;
        return true;
    }

    /**
     * 删除
     * @return bool
     */
    public function delete()
    {
        // 参数
        $param = request()->all();
        $id   = getter($param, "id");
        if (empty($id)) {
            $this->error = 2014;
            return false;
        }

        if(!$this->model->where(['id'=> $id])->value('id')){
            $this->error = 1039;
            return false;
        }


        if($this->model->where(['id'=> $id])->update(['mark'=>0,'update_time'=>time()])){
            $this->model->where(['mark'=> 0])->where('update_time','<=', time() - 3 * 86400)->delete();
            $this->error = 1025;
            return true;
        }else{
            $this->error = 1026;
            return false;
        }
    }

}