<?php

namespace app\common\service;

use app\common\library\Redis;
use app\common\model\ShareSource;
use app\common\model\ShareUser;
use app\main\constants\CampaignConstants;
use app\main\service\FinancialService;
use app\main\service\UserService;
use think\Config;
use think\Log;
use think\Request;
use think\Db;
use think\Cache;

/**
 * Class ShareService
 * @package app\common\service
 */
class ShareService
{
    public static $self;

    /**
     * @return ShareService
     */
    public static function instance()
    {
        if(self::$self == NULL){
            self::$self = new self();
        }
        return self::$self;
    }

    public function getShareUserModel(){
        return  model('ShareUser');
    }

    /**
     * 获取分享页面的数据
     * @param $userId
     * @param $begin
     * @param $lenth
     * @return array
     */
    private $shareKey='SHARE';//弹幕redis
    private $shareList='SD:';
    private $shareBind='SBIND';
    public function getShareUserList( $userId,$begin,$lenth,$userName ){
        $data = [
            'count'=>0,
            'getKandian'=>0,
            'totalKandian'=>0,
            'list'=>[],
        ];
        $redisKey = $this->shareList.$userId;

        $redisData = Redis::instance()->hGetAll($redisKey);
        if ( $redisData == 'empty' ){//没有数据时
            return $data;
        }
        if( !$redisData ){
            $res =  $this->getShareUserModel()->where('user_id',$userId);
            $data['count'] = $res->count(1);
            if ( $data['count'] < 1 ){
                Redis::instance()->set($redisKey,'empty');
            }else{
                $data['getKandian'] = $res->sum('kandian');
                $data['totalKandian'] = $data['count']*200;//默认书币是200
                Redis::instance()->hMSet($redisKey,$data);
                Redis::instance()->expire($redisKey,3600*24);
                Redis::instance()->sadd($this->shareKey.$userId,$userName.'邀请了'.$data['count'].'人，收到'.$data['totalKandian'].'书币');
            }
        }else{
           $data = $redisData;
        }
        if ( $data['count'] > 0 ){
            $data['list'] = $this->getShareUserModel()->limit($begin,$lenth)->select();
        }
        return $data;

    }

    public function userList( $userId, $pageNum, $lenNum ){
        $begin = $pageNum*$lenNum;
        $re = $this->getShareUserModel()->where('user_id',$userId)->limit($begin,$lenNum)->select();
        return $re;
    }
    /**
     * 点击分享链接，
     * @param $userId  被分享者
     * @param $fromUserId  分享者
     * @return int
     */
    public function ClickShareLink($userId, $fromUserId, $shareTime){
        $time = time();
        $userSource = [
            'user_id'=>$fromUserId,
            'to_user_id'=>$userId
        ];
       if( $this->checkBind($userId,$fromUserId) || (time()-$shareTime)>3600*24){
           $this->updateUserSourceTime($fromUserId,$userId,$shareTime);
           LogService::info('分享活动-绑定成功01:'.json_encode($userSource).'分享时间：'.$shareTime);
           return 2;
       }
        $re = 0;
        try{
            //再次检查数据库里是否存在
            $re = $this->getShareUserModel()->where($userSource)->count(1);
            if ( $re == 0 ){//是第一次点看链接
                //回写分享者的数据
                $shareUser = [
                    'user_id'=>$fromUserId,
                    'to_user_id'=>$userId,
                    'to_user_avatar'=>'/assets/img/frontend/share/default_people.png',
                    'to_user_nickname'=>'书友',
                    'share_time'=>$shareTime,
                    'created_at'=>date('Y-m-d H:i:s',$time),
                    'updated_at'=>date('Y-m-d H:i:s',$time)
                ];
                $this->getShareUserModel()->save($shareUser);
                //将绑定关系存在redis里面
                Redis::instance()->sadd($this->shareBind.$userId, $fromUserId);
                Redis::instance()->expire($this->shareBind.$userId, 3600*24);
                //清除统计redis
                Redis::instance()->del($this->shareList.$fromUserId);
            }else{
                $this->updateUserSourceTime($fromUserId,$userId,$shareTime);
            }

        }catch(\Throwable $th){
            LogService::error('分享活动-绑定error01'.json_encode($userSource).'分享时间：'.$shareTime);
        }
        return $re;
    }

    /**
     * 关注时回写分享者数据
     * @param $userId
     * @param $fromUserId
     * @return mixed
     */
    public function attentionUser($toUserId,$updateData){

        LogService::info('分享活动begin');
        $isOpenShare = Config::get('site.is_open_share');
        if (!$isOpenShare){
            return false;
        }
        //获取最早的链接分享者
        try{
            $userSource = [
                'to_user_id'=>$toUserId,
            ];
            $users = $this->getShareUserModel()
                ->where($userSource)
                ->where('share_time','>',time()-3600*24)
                ->order('id asc')->limit(1)->find();
            if (!empty($users)){
                $id = $users['id'];
                $userId = $users['user_id'];
                $update = [
                    'is_fan'=>1,
                    'kandian'=>200,
                    'to_user_nickname'=>$updateData['nickname'],
                    'to_user_avatar'=>$updateData['headimgurl'],
                ];
                $re = $this->getShareUserModel()->where(['id'=>$id])->update($update);
                if ($re){
                    FinancialService::instance()->modifyUserKandian( $userId, 1, 1,0,200,'分享链接赠送',2);
                    //清除统计redis
                    Redis::instance()->del($this->shareList.$userId);
                }
                LogService::info('分享活动-更新数据成功 fromUserId:'.$userId.'res'.$re);
            }
        }catch ( \Throwable $th ){
            LogService::error('分享活动-关注error02'.$th->getMessage());
        }

        return ;
    }

    /**
     * 检查两个用户是否绑定
     * @param $userId
     * @param $fromUserId
     * @return bool
     */
    public function checkBind($userId, $fromUserId){
        $redisKey = $this->shareBind.$userId;
        $bind = Redis::instance()->SISMEMBER($redisKey,$fromUserId);
        return $bind;

    }
    /**
     *重新邀请时，更新分享时间
     */
    public function updateUserSourceTime($userId,$toUserId,$shareTime){
        $re = $this->getShareUserModel()
            ->where(['user_id'=>$userId])
            ->where(['to_user_id'=>$toUserId])
            ->update(['share_time'=>$shareTime]);
        return $re;
    }
    /**
     * 弹幕
     * @return array|mixed
     */
    public function getShareBarrage($userId){

        $key = $this->shareKey.$userId;
        $data = Cache::get($key);
        if ( $data == false ){
            $data = [];
            $nameInit = ['果果吧','我本善良','Bear.zheng','书友','幸福','可乐要加冰块','金芳','有些梦，忘了追','杨洪旭'];
            $len = Redis::instance()->sCard($key);
            if ( $len >= 20 ){
                $data = Redis::instance()->spop($key, 10);
            }else{
                $data = Redis::instance()->SRANDMEMBER($key, 10);
            }

            //不够十个填充
            $diff = 10 - count($data);
            while ( $diff ){
                $data[] = array_pop($nameInit).'邀请了1位好友,收到200书币';
                $diff--;
            }
            Cache::set( $key, $data, 3600);
        }
        return $data;

    }

}