<?php
namespace app\common\model;

use app\admin\model\Third;
use think\Hook;
use think\Model;
use app\common\model\User ;

class FriendRelation extends Model
{


    protected $name = 'friend_relations';
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';

    // 定义状态常量
    const STATUS_NORMAL = 1;    // 正常
    const STATUS_BLOCKED = 2;   // 拉黑
    const STATUS_DELETED = 0;   // 删除


    protected $type = [
        'id' => 'integer',
        'user_id' => 'integer',
        'friend_id' => 'integer',
        'status' => 'integer',
        'group_id' => 'integer'
    ];

    // 关联用户信息
    public function user()
    {
        return $this->belongsTo('User', 'user_id', 'id');
    }

    public function friend()
    {
        return $this->belongsTo('User', 'friend_id', 'id');
    }


    /*
     * 获取我的好友列表
     */
    public static function getFriendList($userId){
        $list =  self::where(['user_id'=>$userId,'status'=>self::STATUS_NORMAL])->with(['friend'])->paginate();
        $ThirdModel = new Third();
        foreach ($list as $row) {
            $row->getRelation('friend')->visible(['id','username','nickname','avatar','user_number','open_id']);
            $third_info = $ThirdModel->where(['user_id'=>$row['friend']['id'],'platform'=>'wxapp'])->find();
            $row->friend->open_id = $third_info['openid']??'';
        }
        return $list;
    }

    /*
     * 搜索用户
     */
    public static function searchUser($userId, $keyword){
        $lists =  User::where(
            ['id'=>['>',1],'user_number|nickname'=>['like','%'.$keyword.'%']]
        )->where('id', '<>', $userId)->field('id,nickname,avatar,user_number')->paginate();
        //判断好友状态
        foreach ($lists as $row) {

            $friend_info  = self::where(['user_id'=>$userId,'friend_id'=>$row['id']])->find();
            if (empty($friend_info)){
                $row->is_friend = 0;
            }else{
                $row->is_friend = $friend_info['status'];
            }
        }

        return $lists;
    }

    /*
     * 申请添加好友
     */
    public static function applyFriend($user_id,$friend_id,$message='')
    {
        $is_friend = self::isFriend($user_id,$friend_id);
        if ($is_friend){
            return ['code'=>0,'msg'=>'已经是好友关系了'];
        }

        //判断是不是已经申请过了
        $friend_requests = FriendRequests::get(['from_user_id'=>$user_id,'to_user_id'=>$friend_id]);
        if (!empty($friend_requests) && $friend_requests['status'] == 0){
            return ['code'=>0,'msg'=>'已经申请请勿重复申请'];
        }
        //添加申请记录
        $insert_data = [
            'from_user_id' => $user_id,
            'to_user_id' => $friend_id,
            'message' => $message,
            'status' => '0',
            'createtime' => time(),
        ];
        FriendRequests::create($insert_data);
        //发送消息通知
        $data=[
            'to_user_id'=>$friend_id,
            'from_user_id'=>$user_id,
            'type'=>"1",
            'content'=>$message,
        ];
        Hook::listen('add_friend_notifications', $data);

        return ['code'=>1,'msg'=>'申请成功'];
    }


    public static function getApplyList($userId){
        $list =  FriendRequests::where(['to_user_id'=>$userId,'status'=>0])->with(['from_user'])->paginate();
        foreach ($list as $row) {
            $row->getRelation('from_user')->visible(['id','nickname','avatar','user_number']);
        }
        return $list;
    }

    public static function handleApply($userId,$friend_requests_id,$status){

        //先查询是不是被申请人
        $friend_requests_info = FriendRequests::get($friend_requests_id);
        if (empty($friend_requests_info)) return ['code'=>0,'msg'=>'非法操作'];
        if ($friend_requests_info['to_user_id'] != $userId) return ['code'=>0,'msg'=>'非法操作'];
        if ($friend_requests_info['status'] != '0') return ['code'=>0,'msg'=>'已处理，请勿重复处理'];

        //经检查是否已经是好友
        $is_friend = self::isFriend($userId, $friend_requests_info['from_user_id']);
        if ($is_friend){
            return ['code'=>0,'msg'=>'已经是好友关系了'];
        }

        $friend_requests_info->status = $status;
        $friend_requests_info->save();
        //处理会员关系
        if ($status == "1"){//同意
            $result = self::addFriend($userId,$friend_requests_info['from_user_id']);
        }elseif ($status == "2"){//拒绝
            $result = FriendRequests::update(['status'=>2],['id'=>$friend_requests_id]);
        }

        //发送消息通知
        $data=[
            'to_user_id'=>$friend_requests_info['from_user_id'],
            'from_user_id'=>$userId,
            'type'=>"2",
            'status'=>$status,
        ];
        Hook::listen('handle_friend_notifications', $data);


        return ['code'=>1,'msg'=>'处理成功'];
    }

    /**
     * 检查是否为好友关系
     */
    public static function isFriend($userId, $friendId)
    {
        return self::where(
            [
                'user_id'=> $friendId,
                'friend_id'=> $userId,
                'status'=> self::STATUS_NORMAL
            ])->count() > 0;
    }

    /*
     * 获取信息
     */
    public static function getLevel($userId, $friendId){
        $info = self::where(
            [
                'user_id'=> $userId,
                'friend_id'=> $friendId,
                'status'=> self::STATUS_NORMAL
            ])->find();
        return $info;
    }


    /**
     * 添加好友
     */
    public static function addFriend($userId, $friendId, $remark = '', $groupId = 0)
    {
        // 检查是否已存在好友关系
        $exists = self::where(
            ['user_id'=>$userId,'friend_id'=>$friendId]
           )->find();

        if ($exists) {
            if ($exists->status == self::STATUS_DELETED) {
                // 如果之前删除过，恢复关系
                $exists->save([
                    'status' => self::STATUS_NORMAL,
                ]);
            }
            return $exists;
        } else {
            // 创建双向好友关系
            $relation1 = self::create([
                'user_id' => $userId,
                'friend_id' => $friendId,
                'status' => self::STATUS_NORMAL,
            ]);

            $relation2 = self::create([
                'user_id' => $friendId,
                'friend_id' => $userId,
                'status' => self::STATUS_NORMAL,
            ]);

            return $relation1;
        }
    }

    /**
     * 删除好友
     */
    public static function deleteFriend($userId, $friendId)
    {
        // 删除双向关系
        self::where(
            ['user_id'=>$userId,'friend_id'=>$friendId]
        )->delete();

        self::where(
            ['user_id'=>$friendId,'friend_id'=>$userId]
            )->delete();
    }


    /*
     * 增加亲密度
     */
    public static function addFriendDensity($userId,$friendId,$intimacy_value,$send_type){


        //如果不是礼物赠送 判断是不是达到每日上限值
        if ($send_type != 'gifts'){
            if (in_array($send_type, ['text','image','file','audio','video'])){
                //判断文本
                $intimacy_day_info = IntimacyDay::get(['type'=>"1"]);
                $intimacy_friend_info = IntimacyFriend::get(['user_id'=>$userId,'friend_id'=>$friendId,'type'=>"1"]);
                if (!empty($intimacy_friend_info)){
                    if ($intimacy_friend_info['intimacy'] >= $intimacy_day_info['upper']){
                        return ['code'=>0,'msg'=>'亲密度已达到上限'];
                    }else{
                        IntimacyFriend::where(['user_id'=>$userId,'friend_id'=>$friendId,'type'=>"1",'day'=>date('Y-m-d')])->setInc('intimacy',$intimacy_value);
                        IntimacyFriend::where(['user_id'=>$friendId,'friend_id'=>$userId,'type'=>"1",'day'=>date('Y-m-d')])->setInc('intimacy',$intimacy_value);
                    }
                }else{
                    IntimacyFriend::create(['user_id'=>$userId,'friend_id'=>$friendId,'type'=>"1",'intimacy'=>$intimacy_value,'day'=>date('Y-m-d')]);
                    IntimacyFriend::create(['user_id'=>$friendId,'friend_id'=>$userId,'type'=>"1",'intimacy'=>$intimacy_value,'day'=>date('Y-m-d')]);
                }
            }else{
                //判断音视频
                $intimacy_day_info = IntimacyDay::get(['type'=>"2"]);
                $intimacy_friend_info = IntimacyFriend::get(['user_id'=>$userId,'friend_id'=>$friendId,'type'=>"2",'day'=>date('Y-m-d')]);
                if (!empty($intimacy_friend_info)){
                    if ($intimacy_friend_info['intimacy'] >= $intimacy_day_info['upper']){
                        return ['code'=>0,'msg'=>'亲密度已达到上限'];
                    }else{
                        IntimacyFriend::where(['user_id'=>$userId,'friend_id'=>$friendId,'type'=>"2",'day'=>date('Y-m-d')])->setInc('intimacy',$intimacy_value);
                        IntimacyFriend::where(['user_id'=>$friendId,'friend_id'=>$userId,'type'=>"2",'day'=>date('Y-m-d')])->setInc('intimacy',$intimacy_value);
                    }
                }else{
                    IntimacyFriend::create(['user_id'=>$userId,'friend_id'=>$friendId,'type'=>"2",'intimacy'=>$intimacy_value,'day'=>date('Y-m-d')]);
                    IntimacyFriend::create(['user_id'=>$friendId,'friend_id'=>$userId,'type'=>"2",'intimacy'=>$intimacy_value,'day'=>date('Y-m-d')]);
                }
            }
        }


        self::where(
            ['user_id'=>$userId,'friend_id'=>$friendId]
        )->setInc('intimacy',$intimacy_value);

        self::where(
            ['user_id'=>$friendId,'friend_id'=>$userId]
        )->setInc('intimacy',$intimacy_value);

    }
    /*
     * 监听是否亲密度升级
     */
    public static function checkIntimacyUpgrade($userId,$friendId,$intimacy_value=0){

        //查询当前亲密度
        $friend_info = self::where(['user_id'=>$userId,'friend_id'=>$friendId])->find();
        if (!empty($friend_info)){
            //查询等级配置
            $intimacy_config = IntimacyConfig::order("intimacy asc")->select();
            $level = 0;
            foreach ($intimacy_config as $row){
                if ($row['intimacy'] <= $friend_info['intimacy']){
                    $level = $row['level'];
                }
            }
            //更新亲密度等级
            self::update(['intimacy_level'=>$level],['user_id'=>$userId,'friend_id'=>$friendId]);
            self::update(['intimacy_level'=>$level],['user_id'=>$friendId,'friend_id'=>$userId]);
        }
    }


}