<?php

namespace App\Models\Api\Post;

use App\Bean\Queue\Api\QueueAddPostBean;
use App\Exceptions\ModelException;
use App\Jobs\Api\AddPostQueue;
use App\Models\Api\Base\ApiBaseModel;
use App\Models\Api\Comment\PostCommentModel;
use App\Models\Api\Customer\CustomerUserExtendModel;
use App\Models\Api\Follow\FollowModel;
use App\Models\Api\Post\Structs\PostParamsStruct;
use App\Tools\CollectOffsetLimit;
use App\Tools\Tools;
use Illuminate\Database\Eloquent\Casts\Attribute;

class PostPushBoxModel extends ApiBaseModel
{

    protected $table = 'customer_post_push_box';
    protected $primaryKey = 'id';
    protected $fillable = [
        'id',
        'type',
        'uid',
        'pid',
        'puuid',
        'post_params',
        'is_like',
        'is_repost',
        'is_bookmark',
        'is_read',
        'post_created_at',
        'created_at',
        'deleted_at',
    ];

    const TYPE_POST = 1;
    const TYPE_REPOST = 2;
    const TYPE_COMMENT = 3;
    const TYPE = [
        self::TYPE_POST => '推文',
        self::TYPE_REPOST => '转发',
        self::TYPE_COMMENT => '评论',
    ];

    const IS_LIKE_DEFAULT = 1;
    const IS_LIKE_YES = 2;
    const IS_LIKE_NO = 3;
    const IS_LIKE = [
        self::IS_LIKE_DEFAULT => '默认',
        self::IS_LIKE_YES => '喜欢',
        self::IS_LIKE_NO => '不喜欢',
    ];

    const IS_REPOST_DEFAULT = 1;
    const IS_REPOST_YES = 2;
    const IS_REPOST = [
        self::IS_REPOST_DEFAULT => '默认',
        self::IS_REPOST_YES => '已转发',
    ];

    const IS_BOOKMARK_DEFAULT = 1;
    const IS_BOOKMARK_YES = 2;
    const IS_BOOKMARK = [
        self::IS_BOOKMARK_DEFAULT => '默认',
        self::IS_BOOKMARK_YES => '已收藏',
    ];

    const IS_READ_NO = 1;
    const IS_READ_YES = 2;
    const IS_READ = [
        self::IS_READ_NO => '默认',
        self::IS_READ_YES => '已收藏',
    ];

    protected function postParams(): Attribute
    {
        return Attribute::make(
            get: fn(string $value = '') => Tools::JonsDecode($value),
            set: fn(array $value = []) => Tools::JonsEncode($value),
        );
    }

    /**
     * 提交后调用事件,在消费队列跑推送
     * @throws ModelException
     */
    function addPostQueueConsumer(QueueAddPostBean $bean)
    {
        $id = $bean->getId();
        $type = $bean->getType();
        if (empty($id)) return false;
        if (empty($type)) return false;

        if (!in_array($type, [self::TYPE_POST, self::TYPE_REPOST, self::TYPE_COMMENT])) return false;
        if (empty($id)) return false;

        $oPostModel = new PostModel();
        $oPost = null;
        $aPostParams = [];

        //判断推送类型
        if ($type == self::TYPE_POST) {
            $postId = $id;
        } elseif ($type == self::TYPE_REPOST) {
            $postId = $id;
            $oRePostModel = $oPostModel->findItem($id);
            if (!$oRePostModel) return false;
            $aPostParams[PostParamsStruct::REPOST_ORG_USER_ID] = $oRePostModel->uid;
            $aPostParams[PostParamsStruct::REPOST_ORG_POST_ID] = $oRePostModel->mid;
        } elseif ($type == self::TYPE_COMMENT) {
            $oPostCommentModel = new PostCommentModel();
            $oPostCommentModel = $oPostCommentModel->findItem($id);
            if (!$oPostCommentModel) return false;
            $postId = $oPostCommentModel->pid;
            $aPostParams[PostParamsStruct::COMMENT_ID] = $oPostCommentModel->id;
            $aPostParams[PostParamsStruct::COMMENT_USER_ID] = $oPostCommentModel->uid;
            $aPostParams[PostParamsStruct::COMMENT_POST_ID] = $oPostCommentModel->pid;
            $aPostParams[PostParamsStruct::COMMENT_CONTEXT] = $oPostCommentModel->content;
            $aPostParams[PostParamsStruct::COMMENT_CONTEXT_CREATE_TIME] = $oPostCommentModel->created_at;
        } else {
            throw new ModelException('type error');
        }

        if ($postId) $oPost = $oPostModel->findItem($postId);
        if (!$oPost) throw new ModelException('post not found');
        $iConfigFansPushLimit = intval(env('CONFIG_FANS_PUSH_LIMIT', 2000));

        //查询粉丝数
        $CustomerUserExtendModel = new CustomerUserExtendModel();
        $CustomerUserExtend = $CustomerUserExtendModel->findItem($oPost->uid);
        if (!$CustomerUserExtend) throw new ModelException('user extend not found');

        //粉丝数少于$iConfigFansPushLimit的用户走写扩散流程（所有粉丝信箱插入一条）
        $bSendMode = $CustomerUserExtend->fans_num < $iConfigFansPushLimit;

        $iTotalCount = $this->countSendFans($bSendMode, $oPost->uid);   //计算发送总数
        $aPost = $oPost->toArray();
        if (empty($aPost)) return false;
        $aPost['post_params'] = $aPostParams;
        //分批发送
        $oCollectOffsetLimit = new CollectOffsetLimit();
        $oCollectOffsetLimit->setITotalCount($iTotalCount)->runWhile(function ($offset, $limit) use ($aPost, $bSendMode) {
            $oFollowList = $this->getFansListWithPage($bSendMode, $aPost['uid'], $offset, $limit);
            if(empty($oFollowList)) return;
            $this->sendPostToBox($aPost, $oFollowList);
        });

    }

    function getFansListWithPage($bAllFans, $uid, $offset = 0, $limit = 2000): \Illuminate\Database\Eloquent\Collection|array|\Illuminate\Support\Collection
    {
        $oFollowModel = new FollowModel();
        //粉丝数少于$iConfigFansPushLimit的用户走写扩散流程（所有粉丝信箱插入一条）
        if ($bAllFans) {
            $oFollowList = $oFollowModel->getFansList($uid, ['uid'], $offset, $limit);   //获取所有粉丝列表
        } else {  //读扩散流程（只针对活跃粉丝信箱插入一条）
            //获取活跃粉丝列表
            //@活跃粉丝数量过大需要分批处理
            $oFollowList = $oFollowModel->getActiveFansUidList($uid, ['a.uid'], $offset, $limit);
        }
        return $oFollowList;
    }

    function countSendFans($bAllFans, $uid): int
    {
        $oFollowModel = new FollowModel();
        if ($bAllFans) {
            $iCount = $oFollowModel->getFansCount($uid);   //获取所有粉丝列表
        } else {  //读扩散流程（只针对活跃粉丝信箱插入一条）
            //获取活跃粉丝列表
            $iCount = $oFollowModel->getActiveFansUidListCount($uid);
        }
        return $iCount;
    }

    //发送到推送信箱
    function sendPostToBox($aPost, $oFollowList): void
    {
        if (!$oFollowList) return;
        foreach ($oFollowList as $oFollow) {
            $aItem['uid'] = $oFollow->uid;
            $aItem['pid'] = $aPost['id'];
            $aItem['puuid'] = $aPost['uuid'];
            $aItem['post_created_at'] = $aPost['created_at'];
            $this->addItemWithCreateTime($aItem);
        }
    }


    /**
     * 拉取推送信箱列表
     * @param $uid
     * @param $last_id //上次最后一条id
     * @param $limit
     * @return \Illuminate\Database\Eloquent\Collection|array
     */
    function getPushBoxList($uid, $last_id = 0, $limit = 20, $cols = ['*']): \Illuminate\Database\Eloquent\Collection|array
    {
        //活跃用户直接拉取未读消息
        return $this->newQuery()
            ->where('uid', $uid)
//            ->where('id', '>', $last_id)
            ->where('is_read', self::IS_READ_NO)
            ->orderBy('created_at', 'desc')
            ->limit($limit)
            ->get($cols);
        //非活跃用户拉取大v消息，在用户状态更新时已经调用过，此处不用在做处理
    }

    //非活跃拉取已跟随大v最新文章。
    //放在用户状态更新时调用
    function pullBigFanMasterPostConsumer($uid)
    {
        //获取文章和转发文章
        //获取大v定义粉丝数,获取大于该粉丝数的大v文章
        $iConfigFansPushLimit = intval(env('CONFIG_FANS_PUSH_LIMIT', 2000));
        $oFollowModel = new FollowModel();
        $oFollowList = $oFollowModel->getFollowListWithFansLimit($uid, $iConfigFansPushLimit, ['a.follow_uid']);
        if ($oFollowList->isEmpty()) return null;
        $aFollowList = $oFollowList->toArray();
        $aFollowUid = array_column($aFollowList, 'follow_uid');
        $oPostModel = new PostModel();

        //分批发送到信箱
        //@@大v评论拉取到自己信箱
        $iTotalCount = $oPostModel->CountPostListByUids($aFollowUid);
        $oCollectOffsetLimit = new CollectOffsetLimit();
        $oCollectOffsetLimit->setITotalCount($iTotalCount)->runWhile(function ($offset, $limit) use ($oPostModel,$aFollowUid,$uid) {
            $oPostList = $oPostModel->getPostListByUids($aFollowUid,null,['*'],$offset, $limit);
            if(empty($oPostList)) return;
            $this->sendPostToBoxByUid($oPostList->toArray(), $uid);
        });
    }

    function sendPostToBoxByUid(array $oPostList, $uid): void
    {
        foreach ($oPostList as $oPost) {
            $aItem['type'] = $oPost->type;
            $aItem['uid'] = $uid;
            $aItem['pid'] = $oPost->id;
            $aItem['puuid'] = $oPost->uuid;
            $aItem['post_params'] = $oPost->post_params;
            $aItem['post_created_at'] = $oPost->created_at;
            $this->addItemWithCreateTime($aItem);
        }
    }

}