<?php

namespace App\Repositories;

use App\Constants\CommonConstant;
use App\Constants\VideoConstant;
use App\Events\Video\VideoReceiveEvent;
use App\Model\AdModel;
use App\Model\CommentModel;
use App\Model\GoodsModel;
use App\Model\Mongo\VideoHistoryModel;
use App\Model\Mongo\VideoLikeModel;
use App\Model\ShopsModel;
use App\Model\TypeModel;
use App\Model\TypeVideoModel;
use App\Model\UserBuyVideoModel;
use App\Model\UserModel;
use App\Model\UserTagModel;
use App\Model\VideoModel;
use App\Repositories\Utils\M3u8CacheRepository;
use Carbon\Carbon;
use KZ2\Repositories\Model\Repository;
use Modules\Api\Services\VideoService;
use Psr\SimpleCache\CacheInterface;

class VideoRepository extends Repository
{
    public function model()
    {
        return VideoModel::class;
    }

    public function checkExist($hash)
    {
        return VideoModel::query()->where(['file_hash' => $hash])->exists();
    }

    public function createOneToVideo($item)
    {
        if ($item['from_type'] == 1) {
            // 来自系统，则判断是否重复.
            if (self::checkExist($item['file_hash'])) {
                return false;
            }
        }
        $m3u8Url = '';
        $strTags = $item['tags'] ?? '';
        $strScreenshots = $item['screenshots'] ?? '';
        if (!empty($item['multiple_rates']['bit_rates'])) {
            $serverFlag = $item['multiple_rates']['server_flag'] ?? '';
            ksort($item['multiple_rates']['bit_rates'], SORT_NUMERIC);   // key 升序
            $bitrate = array_key_first($item['multiple_rates']['bit_rates']);
            $m3u8Uri = $item['multiple_rates']['bit_rates'][$bitrate]['m3u8_uri'] ?? '';
            if (!empty($serverFlag) && !empty($m3u8Uri)) {
                $m3u8Url = $serverFlag . '|' . $m3u8Uri;
            }
        }
        $arrTags = [];
        if (!empty($item['tags'])) {
            if (is_array($item['tags'])) {
                $strTags = implode(',', $item['tags']);
                $arrTags = $item['tags'];
            } else {
                $arrTags = explode(',', $item['tags']);
            }
        }
        if (!empty($item['screenshots'])) {
            if (is_array($item['screenshots'])) {
                $strScreenshots = implode(',', $item['screenshots']);
            }
        }
        // 处理关联标签.
        $tagIdsRaltion = [];
        if (!empty($arrTags)) {
            foreach ($arrTags as $v) {
                $tagObj = TypeModel::query()->where('title', $v)->first();
                if (empty($tagObj)) {
                    $tagSaveData = [
                        'title' => $v,
                        'status' => 1,
                        'sort' => 0,
                    ];
                    $tagObj = TypeModel::query()->create($tagSaveData);
                }
                $tagIdsRaltion[] = $tagObj->id;
            }
        }
        $arrBots = [];
        $userCode = '';
        $bots = UserModel::query()->where('gender', '=', 3)->take(100)->get();
        if ($bots->count()) {
            $arrBots = $bots->pluck('code')->toArray();
            $userKey = array_rand($arrBots);
            $userCode = $arrBots[$userKey];
        }

        $nowDate = Carbon::now()->toDateTimeString();
        $setarr = [
            'title' => $item['title'],
            'status' => 1,  // 未上架2未上架,1上架,3转码中，4转码失败
            'mu' => $m3u8Url,
            'check' => 1,   // 默认已审核
//            'is_free' => 0, // 默认不免费,
            'type' => 0,    // 默认是系统,1= 用户
            'from' => 0,
            'online_at' => $nowDate,
            'duration' => $item['duration'],
            'bitrate' => $item['bitrate'],
            'resolution' => $item['resolution'],
            'tags' => $strTags,
            'screenshots' => $strScreenshots,
            'file_hash' => $item['file_hash'],
            'player_type' => $item['type'],
            'uid' => $userCode,
            'watch' => rand(3000, 30000),   // 观看次数.
            'like' => rand(300, 9300),  // 点赞数
        ];
        if (!empty($item['cover'])) {
            // mov格式好像无法被ppvod截图，所以要前端先传.
            $setarr['cover'] = $item['cover'];
        }
        $obj = null;
        if (self::checkExist($item['file_hash'])) {
            $obj = VideoModel::query()->where(['file_hash' => $item['file_hash']])->first();
            if ($obj->status > 2) {
                // 只有在转码中的视频才更新信息.
                $arrUpdate = $setarr;
                $arrUpdate['status'] = 2;   // 用户上传的默认未上架.
                $arrUpdate['type'] = 1; // 用户
                $arrUpdate['check'] = 0;    // 未审核.
                $arrUpdate['online_at'] = null;
                if (!empty($obj->custom_cover)) {
                    // 使用用户自定义的图.
                    $arrUpdate['cover'] = $obj->custom_cover;
                }
//                $arrUpdate['uid'] = $item['app_item_code'];
                unset($arrUpdate['file_hash'], $arrUpdate['uid'], $arrUpdate['watch'], $arrUpdate['like'], $arrUpdate['title']);
                $updateStatus = $obj->update($arrUpdate);
            }
        } else {
            // 不存在则创建.
            if (!empty($item['app_item_code'])) {
                // 如果有设置绑定用户，则执行.
                $userCode = $item['app_item_code'];
                $userObj = UserModel::query()->where(['code' => $userCode])->first();
                if (empty($userObj)) {
                    logger('VideoRepository-createOneToVideo-fail', ['msg' => '用户非系统内用户，无法找到.']);
                    return false;
                }
                $setarr['uid'] = $userCode;
            }
            $obj = VideoModel::query()->create($setarr);
            if ($obj) {
                $videoId = $obj->id;
                if (!empty($tagIdsRaltion)) {
                    foreach ($tagIdsRaltion as $tagId) {
                        $setarr = [
                            'type_id' => $tagId,
                            'video_id' => $videoId,
                            'status' => 1,
                        ];
                        TypeVideoModel::query()->create($setarr);
                    }
                }
                // 开始随机写入评论.
                $commentRepo = make(CommentRepository::class);
                $commentPath = self::getCommentPath();
                if (file_exists($commentPath)) {
                    $content = file_get_contents($commentPath);
                    $arrComments = explode("\n", $content);
                    $users = UserModel::where(['ip' => '113.238.142.208'])->where('gender', '!=', 3)->inRandomOrder()->take(100)->get();
                    $arrUsers = $users->pluck('code')->toArray();

                    $oldCommentContent = '_1_';
                    $commentContent = '';

                    $videoCreatedAt = $obj->created_at;
                    $maxCommentNumber = rand(2, 24);
                    $nowDate = Carbon::now()->toDateTimeString();
                    for ($i = 0; $i < $maxCommentNumber; $i++) {
                        if (!empty($commentContent)) {
                            $oldCommentContent = $commentContent;
                        }
                        $userKey = array_rand($arrUsers);
                        $userCode = $arrUsers[$userKey];
                        $commentKey = array_rand($arrComments);
                        $commentContent = $arrComments[$commentKey];
                        if ($oldCommentContent == $commentContent) {
                            // 避免连续重复,再随机一次.
                            $commentKey = array_rand($arrComments);
                            $commentContent = $arrComments[$commentKey];
                        }
                        $setarr = [
                            'user_id' => $userCode,
                            'module' => 'video',
                            'svalue' => $obj->id,
                            'subject' => mb_substr($obj->title, 0, 120),
                            'content' => $commentContent,
                            'parent_id' => 0,
                            'total_support' => rand(0, 200),
                            'ip' => '113.238.142.208',
                        ];
                        $commentObj = $commentRepo->createComment($setarr);
                        $commentObj->created_at = Carbon::parse($videoCreatedAt)->addHours($i + 3)->addMinutes(rand(5, 43))->toDateTimeString();
                        $commentObj->save();
                    }
                }
            }
        }

        return $obj;
    }

    public function createOneToAd($item)
    {
        $m3u8Url = '';
        if (!empty($item['multiple_rates']['bit_rates'])) {
            $serverFlag = $item['multiple_rates']['server_flag'] ?? '';
            ksort($item['multiple_rates']['bit_rates'], SORT_NUMERIC);   // key 升序
            $bitrate = array_key_first($item['multiple_rates']['bit_rates']);
            $m3u8Uri = $item['multiple_rates']['bit_rates'][$bitrate]['m3u8_uri'] ?? '';
            if (!empty($serverFlag) && !empty($m3u8Uri)) {
                $m3u8Url = $serverFlag . '|' . $m3u8Uri;
            }
        }
        $adId = $item['app_item_code'];
        $obj = AdModel::query()->find($adId);
        if (!empty($obj)) {
            $obj->play = $m3u8Url;
            if ($obj->status == 3) {
                // 只有特定状态才改变
                $obj->status = 2;   // 转码中 -> 未上架.
            }
            $saveStatus = $obj->save();
        }

        return $obj;
    }
    public function createOneToShop($item)
    {
        $m3u8Url = '';
        if (!empty($item['multiple_rates']['bit_rates'])) {
            $serverFlag = $item['multiple_rates']['server_flag'] ?? '';
            ksort($item['multiple_rates']['bit_rates'], SORT_NUMERIC);   // key 升序
            $bitrate = array_key_first($item['multiple_rates']['bit_rates']);
            $m3u8Uri = $item['multiple_rates']['bit_rates'][$bitrate]['m3u8_uri'] ?? '';
            if (!empty($serverFlag) && !empty($m3u8Uri)) {
                $m3u8Url = $serverFlag . '|' . $m3u8Uri;
            }
        }
        $relationUid = $item['app_item_code'];
        $obj = ShopsModel::query()->where(['uid' => $relationUid])->first();
        if (!empty($obj)) {
            $obj->video_address = $m3u8Url;
            $saveStatus = $obj->save();
            // 删除缓存
            $cacheKey = 'shop:raw:'. $relationUid . ':empty';
            $cacheRepo = make(CacheInterface::class);
            $cacheRepo->delete($cacheKey);
        }

        return $obj;
    }

    public function createOneToGoods($item)
    {
        $m3u8Url = '';
        if (!empty($item['multiple_rates']['bit_rates'])) {
            $serverFlag = $item['multiple_rates']['server_flag'] ?? '';
            ksort($item['multiple_rates']['bit_rates'], SORT_NUMERIC);   // key 升序
            $bitrate = array_key_first($item['multiple_rates']['bit_rates']);
            $m3u8Uri = $item['multiple_rates']['bit_rates'][$bitrate]['m3u8_uri'] ?? '';
            if (!empty($serverFlag) && !empty($m3u8Uri)) {
                $m3u8Url = $serverFlag . '|' . $m3u8Uri;
            }
        }
        $relationUid = $item['app_item_code'];
        $obj = GoodsModel::query()->where(['uid' => $relationUid])->first();
        if (!empty($obj)) {
            $obj->video_address = $m3u8Url;
            $saveStatus = $obj->save();
            // 删除缓存
            $cacheKey = 'goods:raw:'. $relationUid . ':empty';
            $cacheRepo = make(CacheInterface::class);
            $cacheRepo->delete($cacheKey);
        }

        return $obj;
    }

    public function createOneFromMediaCenter($item)
    {
        $resultObj = null;
        if ($item['from_type'] == 1) {
            $resultObj = $this->createOneToVideo($item);
        } elseif ($item['from_type'] == 2) {
            $resultObj = $this->createOneToVideo($item);
        } elseif ($item['from_type'] == 3) {
            if ($item['app_module_name'] == 'ad') {
                $resultObj = $this->createOneToAd($item);
            } elseif ($item['app_module_name'] == 'shop') {
                $resultObj = $this->createOneToShop($item);
            } elseif ($item['app_module_name'] == 'goods') {
                $resultObj = $this->createOneToGoods($item);
            }
        }

        if (!empty($resultObj)) {
            $eventParams = [
                'from_type' => $item['from_type'],
                'app_alias_name' => $item['app_alias_name'],
                'app_module_name' => $item['app_module_name'],
                'app_item_code' => $item['app_item_code'],
                'video_info' => $resultObj->toArray(),
            ];
            dispatch_event(new VideoReceiveEvent($eventParams));
        }
    }

    /**
     * 某个标签下的视频分页列表.
     * @param $tagId
     * @param string $userCode
     * @param int $page
     * @param int $pageSize
     * @param array $orderBy
     * @return array
     */
    public function listByTag($tagId, $userCode, $page = 1, $pageSize = 10, $orderBy = [])
    {
        $columns = ['id','title', 'cover', 'like', 'uid', 'coins', 'pay_type', 'comment', 'mu', 'watch', 'resolution', 'duration'];
        $page = $page ? intval($page) : 1;
        $pageSize = intval($pageSize);
        if (empty($pageSize)) {
            $pageSize = 12;
        }
        $model = VideoModel::query()->whereHas('tags', function ($q) use ($tagId) {
            $q->where(['type_id' => $tagId]);
        })->where(['status' => 1])
            ->with(['category:type.id as type_id,type.title','user']);
        if (!empty($orderBy)) {
            foreach ($orderBy as $oby) {
                $model = $model->orderBy($oby[0], $oby[1]);
            }
        } else {
            $model = $model->orderBy('id', 'desc');
        }
        $arrData = $model->paginate($pageSize, $columns, 'page', $page)->toArray();
        if (!empty($arrData['data'])) {
//            $relationRepo = make(RelationRepository::class);
            foreach ($arrData['data'] as &$v) {
                $v['mu'] = '';  // 列表干掉m3u8地址.
//                $v['mu'] = M3u8CacheRepository::getVideoInnerUrl($v['mu'], $userCode, $v['id'], 'video');
                $v['cover'] = M3u8CacheRepository::getImageUrl($v['cover']);
                if (!empty($v['user'])) {
                    $v['user']['avatar'] = M3u8CacheRepository::getImageUrl($v['user']['avatar']);
//                    $v['user']['is_focus'] = $relationRepo->userIsFocusOtherUser($userCode, $v['user']['code']);
                }
//                $v['is_my_like'] = $relationRepo->userIsLikeVideo($userCode, $v['id']);
                if (!empty($v['category'])) {
                    foreach ($v['category'] as $ck => $t) {
                        unset($v['category'][$ck]['pivot']);
                    }
                }
            }
        }

        return $arrData;
    }

    /**
     * 某用户关注的标签下的视频分页列表.
     * @param string $userCode
     * @param int $page
     * @param int $pageSize
     * @return array
     */
    public function listByUserFollowTag($userCode, $page = 1, $pageSize = 10)
    {
        $page = $page ? intval($page) : 1;
        $pageSize = intval($pageSize);
        $page = format_page($page);
        $tagIds = [];
        $userTags = UserTagModel::where(['user_uid' => $userCode])->get();
        if ($userTags->count()) {
            $tagIds = $userTags->pluck('tag_id')->toArray();
        }
        $columns = ['id','title', 'cover', 'like', 'uid', 'coins', 'pay_type', 'comment', 'mu', 'watch', 'resolution'];
        $arrData = VideoModel::query()->with(['category:type.id as type_id,type.title', 'user'])->where(['status' => 1])
            ->whereHas('tags', function ($q) use ($tagIds) {
            if (!empty($tagIds)) {
                $q->whereIn('type_id', $tagIds);
            } else {
                $q->where('type_id', '-999');
            }
        })->orderByDesc('id')->paginate($pageSize, $columns, 'page', $page)->toArray();
        if (!empty($arrData['data'])) {
//            $relationRepo = make(RelationRepository::class);
            foreach ($arrData['data'] as &$item) {
                $item['mu'] = '';  // 列表干掉m3u8地址.
//                $item['mu'] = M3u8CacheRepository::getVideoInnerUrl($item['mu'], $userCode, $item['id'], 'video');
                $item['cover'] = M3u8CacheRepository::getImageUrl($item['cover']);

                if (!empty($item['user'])) {
                    $item['user']['avatar'] = !empty($item['user']['avatar']) ? M3u8CacheRepository::getImageUrl($item['user']['avatar']) : '';
//                    $item['user']['is_focus'] = $relationRepo->userIsFocusOtherUser($userCode, $item['user']['code']);
                }
//                $item['is_my_like'] = $relationRepo->userIsLikeVideo($userCode, $item['id']);
                if (!empty($item['category'])) {
                    foreach ($item['category'] as $ck => $t) {
                        unset($item['category'][$ck]['pivot']);
                    }
                }
            }
        }

        return $arrData;
    }

    /**
     * 造并返回一个桶视频集合.
     * @param string $step
     * @param mixed $type 类型，no_vip=非vip桶
     * @return mixed
     */
    public function makeOneGroup(string $step, $type = null)
    {
        $configRepo = make(ConfigRepoistory::class);
        $stepDelimiter = intval($configRepo->get('ad_delimiter_num', 'sys', 10));    // 间隔视频几个出现视频.
        $cacheTtl = 48 * 60 * 60;
        $step = strval($step);
        $cache  = make(CacheInterface::class);
        $cacheKey = VideoConstant::HOME_GROUP_CACHE_KEY_PREFIX . $step;
        $limitNum = VideoConstant::HOME_GROUP_CHUNK_SIZE;
        $plusWhere = [
            'status' => 1,
        ];
        if (!is_null($type)) {
            if ($type == 'no_vip') {
                $plusWhere['recommend_level'] = 1;
                $cacheKey = VideoConstant::HOME_NOVIP_GROUP_CACHE_KEY_PREFIX . $step;
                $limitNum = VideoConstant::HOME_NOVIP_GROUP_CHUNK_SIZE;
            }
        }
//        $relationRepo = make(RelationRepository::class);

//        $arrAds = [];
        $arrAds = make(VideoService::class)->getAdList('video_home');
        $result = $cache->rememberForever($cacheKey, function () use ($type, $step, $arrAds, $stepDelimiter, $limitNum) {
            $arrData = [];
            $startNum = $step * $limitNum;
            $arrItems = array_slice($this->getShuffleVideo($type), $startNum, $limitNum);
            if (!empty($arrItems)) {
                $adStep = 1;
                foreach ($arrItems as $k => $v) {
                    $arrData[] = [
                        'type' => 'v',
                        'video' => $v,
                    ];

                    if ($k != 0 && $adStep % $stepDelimiter == 0 && !empty($arrAds)) {
                        $arrData[] = [
                            'type' => 'a',
                            'video' => self::getRandAdFromAds($arrAds),
                        ];
                    }
                    $adStep++;
                }

                unset($arrItems);
            }

            return $arrData;
        });

        return $result;
    }

    /**
     * 初始化首页推荐视频多个桶.
     * @return bool
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function initHomeVideoGroups()
    {
//        $this->videoPond();
//        $this->videoPond('no_vip');

        $cacheRepo  = make(CacheInterface::class);
        $videoRepo = make(VideoRepository::class);
        $maxPondNum = $videoRepo->getMaxPondNum(null, true);
        $cacheTmpKey = 'video_shuffle:common';
        $cacheRepo->delete($cacheTmpKey);
        for ($i = 0; $i <= $maxPondNum; $i++) {
            $cacheKey = VideoConstant::HOME_GROUP_CACHE_KEY_PREFIX . strval($i);
            if ($cacheRepo->has($cacheKey)) {
                $cacheRepo->delete($cacheKey);
            }
            $this->makeOneGroup($i, null);
        }

        $cacheTmpKey = 'video_shuffle:no_vip';
        $cacheRepo->delete($cacheTmpKey);
        $maxPondNum = $videoRepo->getMaxPondNum('no_vip', true);
        for ($i = 0; $i <= $maxPondNum; $i++) {
            $cacheKey = VideoConstant::HOME_NOVIP_GROUP_CACHE_KEY_PREFIX . strval($i);
            if ($cacheRepo->has($cacheKey)) {
                $cacheRepo->delete($cacheKey);
            }
            $this->makeOneGroup($i, 'no_vip');
        }

        return true;
    }

    /**
     * 清理一个或者所有首页推荐视频桶缓存.
     * @param null $step
     * @return bool
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function clearHomeVideoGroup($step = null)
    {
        $cache  = make(CacheInterface::class);
        if (!is_null($step)) {
            $cacheKey = VideoConstant::HOME_GROUP_CACHE_KEY_PREFIX . strval($step);
            $cache->delete($cacheKey);
        } else {
            for ($i = 0; $i <= VideoConstant::HOME_GROUP_NUM; $i++) {
                $cacheKey = VideoConstant::HOME_GROUP_CACHE_KEY_PREFIX . strval($i);
                $cache->delete($cacheKey);
            }
        }

        return true;
    }

    /**
     * 从广告集合随机取一个.
     * @param $arrAds
     * @return array
     */
    public function getRandAdFromAds($arrAds)
    {
        // 间隔N个视频插播一个广告
        $randKey = array_rand($arrAds);
        $adOne = $arrAds[$randKey];
        $adItem = [
            'id' => $adOne['id'],
            'position' => $adOne['position'],
            'title' => $adOne['title'],
            'cover' => !empty($adOne['cover']) ? $adOne['cover'] : '',
            'link' => $adOne['link'] ?? '',
            'scheme' => $adOne['scheme'] ?? '',
            'type' => $adOne['type'] ?? '',
            'play' => !empty($adOne['play']) ? $adOne['play'] : '', // 不缓存
            'resolution' => $adOne['resolution'] ?? '',
        ];

        return $adItem;
    }

    /**
     * 获取评论路径.
     * @return string
     */
    private function getCommentPath()
    {
        return base_path(). '/storage/txt/comment.txt';
    }

    /**
     * 硬删视频，并处理关联关系.
     * @param array $ids
     * @return bool
     */
    public function hardDelete(array $ids)
    {
        if (empty($ids)) {
            return false;
        }
        // 删除
        VideoModel::query()->whereIn('id', $ids)->forceDelete();
        make(VideoHistoryModel::class)->db()->deleteMany(['vid' => ['$in' => $ids]])->getDeletedCount();
        make(VideoLikeModel::class)->db()->deleteMany(['vid' => ['$in' => $ids]])->getDeletedCount();
        CommentModel::query()->where(['module' => 'video'])->whereIn('svalue', $ids)->delete();
        TypeVideoModel::query()->whereIn('video_id', $ids)->delete();
        UserBuyVideoModel::query()->whereIn('video_id', $ids)->delete();

        return true;
    }

    /**
     * 固定视频桶.
     * @param null $type
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function videoPond($type = null)
    {
        $perNum = VideoConstant::HOME_GROUP_CHUNK_SIZE;
        $plusWhere = [
            'status' => 1,
        ];
        if (!is_null($type)) {
            if ($type == 'no_vip') {
                $plusWhere['recommend_level'] = 1;
                $perNum = VideoConstant::HOME_NOVIP_GROUP_CHUNK_SIZE;
            }
        }
        $pondNum = $this->getMaxPondNum($type, true);
        if ($pondNum <= 0) {
            // 容错，如果系统里没有任何首页非会员视频
            unset($plusWhere['recommend_level']);
            $pondNum = $this->getMaxPondNum(null, true);
        }

        $configRepo = make(ConfigRepoistory::class);
        $stepDelimiter = intval($configRepo->get('ad_delimiter_num', 'sys', 10));    // 间隔视频几个出现视频.
        $arrAds = make(VideoService::class)->getAdList('video_home');
        $columns = ['id','title', 'cover', 'like', 'uid', 'coins', 'pay_type', 'mu', 'comment', 'watch', 'resolution', 'duration'];
//        $count = VideoModel::query()->where($plusWhere)->count('id');
        $adStep = 1;
        $i = 0;
        $arrData = [];
        VideoModel::query()->where($plusWhere)->select($columns)->with(['category:type.id as type_id,type.title','user'])
            ->orderByDesc('id')->chunk($pondNum, function ($items) use (&$arrData, $perNum, $stepDelimiter, $arrAds, &$adStep, &$i) {
                if ($i >= $perNum) {
                    // 防止超出每桶视频个数.
                    return false;
                }
                if ($items->count() > 0) {
                    $arrItems = $items->toArray();
                    shuffle($arrItems); // 打乱数组
                    $k = 0;
                    foreach ($arrItems as $v) {
                        $v['mu'] = '';  // 列表干掉m3u8地址.
                        // 因为缓存，m3u8链接不能走缓存，保留原始.
//                    $v['mu'] = M3u8CacheRepository::getVideoUrl($v['mu']);
                        $v['cover'] = M3u8CacheRepository::getImageUrl($v['cover']);
                        if (!empty($v['user'])) {
                            $v['user']['avatar'] = !empty($v['user']['avatar']) ? M3u8CacheRepository::getImageUrl($v['user']['avatar']) : '';
                        }
                        if (!empty($v['category'])) {
                            foreach ($v['category'] as $ck => $t) {
                                unset($v['category'][$ck]['pivot']);
                            }
                        }
                        $arrData[$k][] = [
                            'type' => 'v',
                            'video' => $v,
                        ];

                        if ($i != 0 && $i % $stepDelimiter == 0 && !empty($arrAds)) {
                            $arrData[$k][] = [
                                'type' => 'a',
                                'video' => self::getRandAdFromAds($arrAds),
                            ];
                        }
                        $k++;
                    }
                    unset($arrItems);
                }
                $i++;   // 甩桶次数
            });

        if (!empty($arrData)) {
            $cacheRepo  = make(CacheInterface::class);
            foreach ($arrData as $k => $v) {
                $cacheKey = VideoConstant::HOME_GROUP_CACHE_KEY_PREFIX . $k;
                if (!is_null($type)) {
                    if ($type == 'no_vip') {
                        $cacheKey = VideoConstant::HOME_NOVIP_GROUP_CACHE_KEY_PREFIX . $k;
                    }
                }
                if (count($v) < $perNum) {
                    $v = $arrData[$k - 1];
                }
                $cacheRepo->forever($cacheKey, $v);
            }
        }
    }

    public function countHomeVideo($type = null, $isForce = false)
    {
        $cacheRepo  = make(CacheInterface::class);
        $cacheKey = 'video_home_count';
        $cacheTime = 1 *  60 * 60;
        $data = $cacheRepo->get($cacheKey, -1);
        if ($data < 0 || $isForce == true) {
            $plusWhere = [
                'status' => 1,
            ];
            if (!is_null($type)) {
                if ($type == 'no_vip') {
                    $plusWhere['recommend_level'] = 1;
                }
            }
            $count = VideoModel::query()->where($plusWhere)->count('id');
            $data = $count;
            $cacheRepo->set($cacheKey, $data, $cacheTime);
        }

        return $data;
    }

    /**
     * 获取有效.
     * @param null $type
     * @param false $isForce
     * @return int
     */
    public function getMaxPondNum($type = null, $isForce = false)
    {
        $pondNum = VideoConstant::HOME_GROUP_NUM;
        $perNum = VideoConstant::HOME_GROUP_CHUNK_SIZE;
        if (!is_null($type)) {
            if ($type == 'no_vip') {
                $pondNum = VideoConstant::HOME_NOVIP_GROUP_NUM;
                $perNum = VideoConstant::HOME_NOVIP_GROUP_CHUNK_SIZE;
            }
        }
        $count = $this->countHomeVideo($type, $isForce);
        $maxNum = $pondNum * $perNum;
        if ($maxNum > $count) {
            $pondNum = intval($count / $perNum);
        }

        return $pondNum;
    }

    /**
     * 所有打乱视频.
     * @param null $type
     * @param false $isForce
     * @return array
     */
    protected function getShuffleVideo($type = null, $isForce = false)
    {
        $typeFlag = 'common';
        $plusWhere = [
            'status' => 1,
        ];
        if (!is_null($type)) {
            if ($type == 'no_vip') {
                $plusWhere['recommend_level'] = 1;
                $typeFlag = 'no_vip';
            }
        }
        $cacheRepo = make(CacheInterface::class);
        $cacheKey = 'video_shuffle:'. $typeFlag;
        $arrData = $cacheRepo->get($cacheKey, []);
        if (empty($arrData) || $isForce == true) {
            $arrData = [];
            $i = 0;
            $columns = ['id', 'title', 'cover', 'like', 'uid', 'coins', 'pay_type', 'mu', 'comment', 'watch', 'resolution', 'duration'];
            VideoModel::query()->where($plusWhere)->select($columns)->with(['category:type.id as type_id,type.title', 'user'])
                ->orderByDesc('id')->chunk(100, function ($items) use (&$arrData, &$i) {
                    $i++;
                    if ($i > 3000) {
                        // 退出chunk
                        return false;
                    }
                    if ($items->count()) {
                        $items = $items->toArray();
                        foreach ($items as $v) {
                            // 因为缓存，m3u8链接不能走缓存，保留原始.
//                    $v['mu'] = M3u8CacheRepository::getVideoUrl($v['mu']);
                            if (!empty($v['category'])) {
                                foreach ($v['category'] as $ck => $t) {
                                    unset($v['category'][$ck]['pivot']);
                                }
                            }
                            $arrData[] = $v;
                        }
                    }
                });
            shuffle($arrData);//打乱保存
            $cacheRepo->forever($cacheKey, $arrData);
        }

        return $arrData;
    }

    /**
     * 最新分页视频.
     * @param int $page
     * @param int $pageSize
     * @return array
     */
    public function lastestPagesWihoutCache($page = 1, $pageSize = 30)
    {
        $items = [];
        $columns = ['id', 'title', 'cover', 'like', 'uid', 'coins', 'pay_type', 'mu', 'comment', 'watch', 'resolution', 'duration'];
        $lists = VideoModel::query()->where(['status' => 1])->with(['category:type.id as type_id,type.title', 'user'])->orderByDesc('created_at')->paginate($pageSize, $columns, 'page', $page);
        $lists = $lists->toArray();
        if (!empty($lists['data'])) {
            foreach ($lists['data'] as &$v) {
                // 因为缓存，m3u8链接不能走缓存，保留原始.
//                    $v['mu'] = M3u8CacheRepository::getVideoUrl($v['mu']);
//                $v['cover'] = M3u8CacheRepository::getImageUrl($v['cover']);
//                if (!empty($v['user'])) {
//                    $v['user']['avatar'] = !empty($v['user']['avatar']) ? M3u8CacheRepository::getImageUrl($v['user']['avatar']) : '';
//                }
                if (!empty($v['category'])) {
                    foreach ($v['category'] as $ck => $t) {
                        unset($v['category'][$ck]['pivot']);
                    }
                }
                unset($v['status'], $v['check']);
            }
        }

        return $lists;
    }

    /**
     * 最新分页视频带缓存.
     * @param int $page
     * @param int $pageSize
     * @param false $isForce
     * @return mixed
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function lastestPages($page = 1, $pageSize = 10, $isForce = false)
    {
        if ($pageSize > 100) {
            $pageSize = CommonConstant::PAGE_SIZE;
        }
        $page = format_page($page);
        $pageSize = intval($pageSize);

        if ($page < 1) {
            $page = 1;
        }
        if ($page > 99999) {
            $page = 1;
        }
        if ($page > 100) {
            // 限制，防止拉完所有视频
            $page = 1;
        }

        $cacheRepo = make(CacheInterface::class);
        $cacheTime = 6 * 60 * 60;
        $cacheKey = 'video:pages:'. strval($page) . '_' . strval($pageSize);
        $data = $cacheRepo->get($cacheKey, []);
        if (empty($data) || $isForce == true) {
            $data = $this->lastestPagesWihoutCache($page, $pageSize);
            if (!empty($data['data'])) {
                $cacheRepo->set($cacheKey, $data, $cacheTime);
            }
        }

        return $data;
    }

    /**
     * 清理所有分页缓存.
     * @param int $pageSize
     * @return bool
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function clearAllLastestPagesCache($pageSize = 10)
    {
        $cacheRepo = make(CacheInterface::class);
        $page = 1;
        $pageSize = VideoConstant::LASTEST_PAGE_SIZE;; // 写死.
        $lists = $this->lastestPagesWihoutCache($page, $pageSize);
        $lastPage = $lists['last_page'] ?? 1;
        $arrKeys = [];
        for ($i = 1; $i <= $lastPage; $i++) {
            $cacheKey = 'video:pages:'. strval($i) . '_' . strval($pageSize);
            $arrKeys[] = $cacheKey;
        }
        // 批量删除缓存.
        $cacheRepo->deleteMultiple($arrKeys);

        return true;
    }

    /**
     * 分类别名下的视频分页.
     * @param string $aliasName
     * @param int $page
     * @param int $pageSize
     * @param false $isForce
     * @return mixed
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function pagesByCategoryAlias($aliasName, $page = 1, $pageSize = 10, $isForce = false)
    {
        if ($pageSize > 100) {
            $pageSize = CommonConstant::PAGE_SIZE;
        }
        $page = format_page($page);
        $pageSize = intval($pageSize);

        if ($page < 1) {
            $page = 1;
        }
        if ($page > 99999) {
            $page = 1;
        }
        if ($page > 100) {
            // 限制，防止拉完所有视频
            $page = 1;
        }
        if ($pageSize <= 0) {
            $pageSize = CommonConstant::PAGE_SIZE;
        }

        $cacheRepo = make(CacheInterface::class);
        $cacheTime = 30 * 60;
        $cacheKey = 'video:pages_cate:'. $aliasName . '_'. strval($page) . '_' . strval($pageSize);
        $data = $cacheRepo->get($cacheKey, []);
        if (empty($data) || $isForce == true) {
            $data = $this->pagesByCategoryAliasWihoutCache($aliasName, $page, $pageSize);
            if (!empty($data['data'])) {
                $cacheRepo->set($cacheKey, $data, $cacheTime);
            }
        }

        return $data;
    }

    /**
     * 分类别名下的视频分页,不带缓存.
     * @param string $aliasName
     * @param int $page
     * @param int $pageSize
     * @return array
     */
    public function pagesByCategoryAliasWihoutCache($aliasName, $page = 1, $pageSize = 30)
    {
        $items = [];
        $columns = ['id', 'title', 'cover', 'like', 'uid', 'coins', 'pay_type', 'mu', 'comment', 'watch', 'resolution', 'duration'];
        $lists = VideoModel::query()->where(['status' => 1])->with(['perfect', 'user', 'category:type.id as type_id,type.title'])->whereHas('perfect', function ($q) use ($aliasName) {
            $q->where(['category_alias_name' => $aliasName]);
        })->orderByDesc('online_at')->paginate($pageSize, $columns, 'page', $page);
        $lists = $lists->toArray();
        if (!empty($lists['data'])) {
            foreach ($lists['data'] as &$v) {
                // 因为缓存，m3u8链接不能走缓存，保留原始.
//                    $v['mu'] = M3u8CacheRepository::getVideoUrl($v['mu']);
//                $v['cover'] = M3u8CacheRepository::getImageUrl($v['cover']);
//                if (!empty($v['user'])) {
//                    $v['user']['avatar'] = !empty($v['user']['avatar']) ? M3u8CacheRepository::getImageUrl($v['user']['avatar']) : '';
//                }
                if (!empty($v['category'])) {
                    foreach ($v['category'] as $ck => $t) {
                        unset($v['category'][$ck]['pivot']);
                    }
                }
                unset($v['status'], $v['check']);
            }
        }

        return $lists;
    }
}