<?php

namespace app\api\model;
use app\common\controller\Push;
use think\Model;
use think\Db;
use think\Session;
/*
 * 盲盒转盘
 * 2025-08-16
 */
class BlindBoxTurntableGift extends Model
{
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = true;
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    protected $table = 'fa_vs_gift';

    //获取奖池礼物列表
    public function get_gift_list($gift_bag_id,$room_id)
    {
        $box = db::name('vs_gift_bag')->where('id',$gift_bag_id)->find();
        $gifts = db::name('vs_gift_bag_detail')->where('gift_bag_id',$gift_bag_id)->order("id desc")->select();
        $gift_list = [];
        foreach ($gifts as $key => $value) {
            $gift_data = db::name('vs_gift')->where('gid',$value['foreign_id'])->where('delete_time',0)->find();
            if($gift_data){
                $gift_list[$key]['number'] = $key;
                $gift_list[$key]['gift_id'] = $gift_data['gid'];
                $gift_list[$key]['gift_name'] = $gift_data['gift_name'];
                $gift_list[$key]['base_image'] = $gift_data['base_image'];
                $gift_list[$key]['play_image'] = $gift_data['play_image'];
                $gift_list[$key]['gift_price'] = $gift_data['gift_price'];
            }
        }
        $ext = json_decode($box['ext'],true);
        $box_gift = Db::name('vs_gift')->where('gid',$ext['gift_id'])->find();

        //巡乐会
        $is_xlh = 0;
        $xlh_box = db::name('vs_gift_bag')->where('id',13)->find();
        $xlh_ext = json_decode($xlh_box['ext'],true);
        $xlh = [];
        if($xlh_ext['inlet_bag_id'] == $box['id']){
            $room = db::name('vs_room')->field('id,xlh_periods,xlh_periods_num')->where(['id'=>$room_id])->find();
            $is_xlh = 1;
            $xlh['waiting_start_num'] = $xlh_ext['open_condition']['waiting_start_num'];//等待开奖次数
            $xlh['start_num'] = $xlh_ext['open_condition']['start_num'];//开始开奖次数
            //当前抽奖次数
            $xlh['current_num'] = $room['xlh_periods_num'];
            //状态
            if($xlh['current_num'] >= $xlh_ext['open_condition']['start_num']){
                $xlh['status'] = 1;//状态 1:巡乐会开始 2:即将开始开始 0:等待开始
            } elseif($xlh['current_num'] >= $xlh_ext['open_condition']['waiting_start_num'] && $xlh['current_num'] < $xlh_ext['open_condition']['start_num']){
                $xlh['status'] = 2;//状态 1:巡乐会开始 2:即将开始开始 0:等待开始
            }else{
                $xlh['status'] = 0;
            }
        }
        $result_data = [
            'title' => $box['name'],
            'rule_url' => get_system_config_value('web_site')."/api/Page/get_gift_box_rule?box_id=".$box["id"],
//            'rule' => $ext['introd'],
            'box_price' => $box_gift['gift_price'],
            'is_xlh' => $is_xlh,
            'xlh_data' => $xlh,
            'gift_list' => $gift_list,
        ];
        return ['code' => 1, 'msg' => '获取成功', 'data' => $result_data];
    }
    /*
     * 抽奖
     */
    public function draw_gift($gift_bag_id, $user_id, $gift_user_ids,$num=1,$room_id=0){
        //获取盲盒配置
        $bag_data = db::name("vs_gift_bag")->field('id,name,ext,periods')->where('id',$gift_bag_id)->find();
        $ext = json_decode($bag_data['ext'],true);
        $bag_gift = db::name("vs_gift")->where(['gid'=>$ext['gift_id']])->find();// 获取盲盒信息
        $toarray = explode(',',$gift_user_ids);
        $room = db::name('vs_room')->field('id,xlh_periods,xlh_periods_num,is_open_blind_box_turntable,blind_box_turntable_periods')->where(['id'=>$room_id])->find();
        //判断是否有足够的金币
        $user_waller = db::name('user_wallet')->where(['user_id'=>$user_id])->find();
        if ($user_waller['coin'] < $bag_gift['gift_price'] * $num) {
            return ['code' => 0, 'msg' => '用户金币不足', 'data' => null];
        }
        if ($room['is_open_blind_box_turntable'] != 1) {
            return ['code' => 0, 'msg' => '该房间未开启盲盒转盘', 'data' => null];
        }
        db::startTrans();
        try{
            //盲盒转盘抽奖记录
            $box_turntable_log = db::name('vs_blind_box_turntable_log')->insertGetId([
                'user_id' => $user_id,
                'gift_bag_id' => $gift_bag_id,
                'num' => $num,
                'room_id' => $room_id,
                'bag_price' => $bag_gift['gift_price'],
                'createtime' => time()
            ]);
            if (!$box_turntable_log) {
                db::rollback();
                return ['code' => 0, 'msg' => '添加盲盒转盘记录失败', 'data' => null];
            }
            foreach ($toarray as $gift_user_id){
                for($i = 0; $i < $num; $i++){
                    $reslut_draw_gift_data = $this->draw_gift_one($gift_bag_id, $user_id, $gift_user_id,$bag_gift['gift_price'],$room['blind_box_turntable_periods'],$room_id,$box_turntable_log);
                    if($reslut_draw_gift_data['code'] != 1){
                        db::rollback();
                        return ['code' => 0, 'msg' => $reslut_draw_gift_data['msg'], 'data' => null];
                    }
                    $reslut_draw_gift[] = $reslut_draw_gift_data['data'];
                }
            }
            $reslut_gift = [];
            $reslut_data = [];
            foreach ($reslut_draw_gift as $key => $value) {
                $gift_user_id = $value['gift_user_id'];
                $gift_id = $value['gift_id'];

                // 以 gift_user_id 和 gift_id 作为键进行分组
                $group_key = $gift_user_id . '_' . $gift_id;

                if (!isset($reslut_gift[$group_key])) {
                    $reslut_gift[$group_key] = [
                        'gift_user_id' => $gift_user_id,
                        'gift_id' => $gift_id,
                        'count' => 1,
                        'gift_price' => $value['gift_price']
                    ];
                } else {
                    $reslut_gift[$group_key]['count']++;
                }
                if (!isset($reslut_data[$gift_id])) {
                    $reslut_data[$gift_id] = [
                        'gift_id' => $gift_id,
                        'count' => 1
                    ];
                 }else {
                    $reslut_data[$gift_id]['count']++;
                }
            }
            $reslut_gift = array_values($reslut_gift);
            foreach ($reslut_gift as $key => $value) {
                $ret = db::name('vs_blind_box_turntable_results_log')->insert([
                    'tid' => $box_turntable_log,
                    'gift_user_id' => $value['gift_user_id'],
                    'gift_id' => $value['gift_id'],
                    'count' => $value['count'],
                    'gift_price' => $value['gift_price'],
                    'all_gift_price' => $value['gift_price'] * $value['count'],
                    'createtime' => time()
                ]);
                if (!$ret) {
                    db::rollback();
                    return ['code' => 0, 'msg' => '添加盲盒转盘结果记录失败', 'data' => null];
                }
            }
            db::commit();
        } catch(\Exception $e) {
            db::rollback();
            return V(0,$e->getMessage());
        }
        //巡乐会
        $xlh_box = db::name('vs_gift_bag')->where('id',13)->find();
        $xlh_ext = json_decode($xlh_box['ext'],true);
        $xlh = [];
        if($xlh_ext['inlet_bag_id'] == $bag_data['id']){
            $xlh['waiting_start_num'] = $xlh_ext['open_condition']['waiting_start_num'];//等待开奖次数
            $xlh['start_num'] = $xlh_ext['open_condition']['start_num'];//开始开奖次数
            //当前抽奖次数
            $xlh['current_num'] = db::name('vs_room')->where(['id'=>$room_id])->value('xlh_periods_num');
            //状态
            if($xlh['current_num'] >= $xlh_ext['open_condition']['start_num']){
                $xlh['status'] = 1;//状态 1:巡乐会开始 2:即将开始开始 0:等待开始
            } elseif($xlh['current_num'] >= $xlh_ext['open_condition']['waiting_start_num'] && $xlh['current_num'] < $xlh_ext['open_condition']['start_num']){
                $xlh['status'] = 2;//状态 1:巡乐会开始 2:即将开始开始 0:等待开始
            }else{
                $xlh['status'] = 0;
            }
            //推送
            $text = [
                'xlh_data' => $xlh,
                'text' => ""
            ];
            //聊天室推送系统消息
            model('Chat')->sendMsg(1056,$room_id,$text);
        }
        $reslut = [];
        $reslut['blind_box_turntable_id'] = $box_turntable_log;
        $reslut['reslut_list'] = array_values($reslut_data);
        return V(1,"成功", $reslut);
    }
    /*
     * 单人单次抽奖
     */
    public function draw_gift_one($gift_bag_id, $user_id, $gift_user_id,$gift_price,$periods,$room_id=0,$box_turntable_log=0){
        //奖池总的抽奖次数
        $total_quantity  = db::name("vs_gift_bag_detail")->where(['gift_bag_id' => $gift_bag_id])->sum('quantity');
        $total_remaining = db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_id'=>$gift_bag_id])->value('remaining_number');
        //本期当前第多少次后抽奖 总的抽奖次数- 剩余数量
        $total_draw_times = $total_quantity - $total_remaining;
        //随机获取一个礼物
        $where = [
            'a.gift_bag_id' => $gift_bag_id,
            'a.quantity' => ['>',0],
            'b.remaining_number' => ['>',0],
            'b.room_id' => $room_id,
            'a.weight' => ['<=', $total_draw_times],
        ];
        // 使用闭包条件来处理复杂的 weight 逻辑
//        $where['a.weight'] = ['exp', Db::raw('= 0 OR a.weight < '.$total_draw_times)];
        // 优化：基于剩余数量的加权随机选择
        $gift_bag_details = db::name("vs_gift_bag_detail")
            ->field('a.id,a.quantity,b.remaining_number,a.weight,a.foreign_id')
            ->alias('a')
            ->join('vs_room_pan b','b.gift_bag_detail_id = a.id','left')
            ->where($where)
            ->select();
        if (empty($gift_bag_details)) {
            return ['code' => 0, 'msg' => '当前盲盒无可用礼物', 'data' => []];
        }
        // 实现加权随机算法：剩余数量越多，被抽中的概率越大
        $remaining = 0;
        foreach ($gift_bag_details as $gift) {
            $remaining += $gift['remaining_number'];
        }
        $rand_value = mt_rand(1, $remaining);
        $current_sum = 0;
        $gift_bag_detail = null;
        foreach ($gift_bag_details as $gift) {
            if($gift['remaining_number'] <= 0){
                continue;
            }
            $current_sum += $gift['remaining_number'];
            if ($rand_value <= $current_sum) {
                $gift_bag_detail = $gift;
                break;
            }
        }
        if($gift_bag_detail){
            //获取开出礼物的信息
            $gift = db::name("vs_gift")->where(['gid'=>$gift_bag_detail['foreign_id']])->find();
            //处理礼包发放记录表
            $data = [];
            $data['user_id'] = $user_id;
            $data['gift_user_id'] = $gift_user_id;
            $data['parent_id'] = $box_turntable_log;
            $data['gift_bag_id'] = $gift_bag_id;
            $data['gift_id'] = $gift_bag_detail['foreign_id'];
            $data['periods'] = $periods;
            $data['room_id'] = $room_id;
            $data['gift_price'] = $gift['gift_price'];
            $data['bag_price'] = $gift_price;
            $data['createtime'] = time();
            $result = db::name("vs_gift_bag_receive_log")->insert($data);
            if(!$result){
                return ['code' => 0, 'msg' => '失败,', 'data' => []];
            }
            //减去盲盒包礼物数量
//            $ret = db::name("vs_gift_bag_detail")->where('id',$gift_bag_detail['id'])->setDec('remaining_number');
            $ret = db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_detail_id'=>$gift_bag_detail['id']])->setDec('remaining_number',1);
            if(!$ret){
                return ['code' => 0, 'msg' => '失败.', 'data' => []];
            }
            //判断剩余数量是否为0 为0重置，进入下一期
            $gift_bag_num = db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_id'=>$gift_bag_id])->sum('remaining_number');
            if($gift_bag_num <= 0){
                db::name("vs_gift_bag")->where('id',$gift_bag_id)->setInc('periods');
                db::name("vs_room")->where('id',$room_id)->setInc('blind_box_turntable_periods');
                db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_id'=>$gift_bag_id])->update(
                    ['remaining_number' => db::raw('(SELECT quantity FROM fa_vs_gift_bag_detail WHERE id = fa_vs_room_pan.gift_bag_detail_id)')]);
            }
        }else{
            return ['code' => 0, 'msg' => '失败!', 'data' => []];
        }
        //巡乐会飘屏
        $xlh_box = db::name('vs_gift_bag')->where('id',13)->find();
        $xlh_ext = json_decode($xlh_box['ext'],true);
        if($xlh_ext['inlet_bag_id'] == $gift_bag_id){
            db::name("vs_room")->where('id',$room_id)->setInc('xlh_periods_num');//加巡乐会条件次数
            $room = Db::name('vs_room')->field('room_name,blind_box_turntable_periods,xlh_periods,xlh_periods_num')->where(['id' => $room_id, 'apply_status' => 2])->find();
            if($room['xlh_periods_num'] == $xlh_ext['open_condition']['waiting_start_num']){
                $room_name = Db::name('vs_room')->where(['id' => $room_id, 'apply_status' => 2])->value('room_name');
                //即将开始推送飘屏
                $text = $room_name."的巡乐会即将开始，请大家尽快参与哦!";
                //推送礼物横幅
                $push = new Push(UID, $room_id);
                $text_list_new = [
                    'text' => $text,
                    'room_id' => $room_id,
                    'from_type' => 1
                ];
                $push->xunlehui($text_list_new);
            }
            if($room['xlh_periods_num'] == $xlh_ext['open_condition']['start_num']){
                //正式开始推送飘屏
                $text = $room['room_name']."的巡乐会正式开始，请大家尽快参与哦!";
                //推送礼物横幅
                $push = new Push(UID, $room_id);
                $text_list_new = [
                    'text' => $text,
                    'room_id' => $room_id,
                    'from_type' => 2
                ];
                $push->xunlehui($text_list_new);
                //巡乐会正式开始
                $pan_xlh_id = db::name('vs_room_pan_xlh')->insertGetId([
                    'room_id' => $room_id,
                    'gift_id' => $xlh_ext['locking_condition']['locking_gift_id'],
                    'homeowner_gift_id' => $xlh_ext['locking_condition']['give_homeowner_gift_id'],
                    'periods' => $room['xlh_periods']+1,
                    'num' => 0,
                    'createtime' => time()
                ]);
                if(!$pan_xlh_id){
                    return ['code' => 0, 'msg' => '失败!', 'data' => []];
                }
                db::name("vs_room")->where('id',$room_id)->setInc('xlh_periods');//修给巡乐会期数
            }
        }
        $result_data = [
            'user_id' => $user_id,
            'gift_user_id'=>$gift_user_id,
            'gift_id'=>$gift_bag_detail['foreign_id'],
            'gift_price'=>$gift['gift_price'],
            'is_public_screen'=>$gift['is_public_screen'],
        ];
        return ['code' => 1, 'msg' => '成功', 'data' => $result_data];
    }

    /*
     * 礼物发放
     */
    public function gift_send($send_id){
        $blind_box_turntable = db('vs_blind_box_turntable_log')->where('id',$send_id)->find();
        if(!$blind_box_turntable){
            return ['code' => 0, 'msg' => '数据不存在','data' => null];
        }
        $blind_box_turntable_log = db('vs_blind_box_turntable_results_log')->where(['tid'=>$send_id,'is_sued'=>0])->select();
        if(!$blind_box_turntable_log){
            return ['code' => 0, 'msg' => '开奖数据不存在','data' => null];
        }
        //获取盲盒配置
        foreach ($blind_box_turntable_log as $key => $value) {
            $give_gift_ext['gift_id'] = $value['gift_id'];
            $give_gift_ext['count'] = $value['count'];
            $give_gift_ext['gift_price'] = $value['gift_price'];
            $give_gift_ext['all_gift_price'] = $value['all_gift_price'];
            $give_gift_ext['is_draw_gift'] = 1;
            $res = model('GiveGift')->give_gift($blind_box_turntable['user_id'], $value['gift_user_id'], $value['gift_id'],  $value['count'],2,1, $blind_box_turntable['room_id'],0,0,$give_gift_ext);
            if (isset($res) && $res['code'] != 1) {
                return V(0, $res['msg']);
            }
            db('vs_blind_box_turntable_results_log')->where('id', $value['id'])->update(['is_sued' => 1, 'updatetime' => time()]);
        }
        return ['code' => 1, 'msg' => '成功', 'data' => null];
    }

    /*
     * 获取用户抽奖记录
     */
    public function get_user_record($gift_bag_id,$user_id=0,$page=1,$page_size=12){
        $where = [];
        $where['b.gift_bag_id'] = $gift_bag_id;
        if($user_id > 0){
            $where['b.user_id'] = $user_id;
        }
        $list = db('vs_blind_box_turntable_results_log')
            ->alias('a')
            ->join('vs_blind_box_turntable_log b','b.id = a.tid','left')
            ->join('user c','a.gift_user_id = c.id','left')
            ->join('vs_gift d','d.gid = a.gift_id','left')
            ->field('a.gift_id,a.count,a.gift_user_id,b.createtime,c.nickname,d.gift_name as gift_name,d.base_image')
            ->where($where)
            ->page($page,$page_size)
            ->select();
        foreach ($list as &$v){
            $v['createtime'] = date('Y-m-d H:i:s',$v['createtime']);
        }
        return ['code' => 1, 'msg' => '成功', 'data' => $list];
    }
    /*
     * 获取全服抽奖记录
     */
    public function get_all_record($gift_bag_id,$page=1,$page_size=12){
        $where = [];
        $where['b.gift_bag_id'] = $gift_bag_id;
        $where['d.gift_bag_id'] = $gift_bag_id;
        $where['d.is_world_show'] = 1;
        $list = db('vs_blind_box_turntable_results_log')
            ->alias('a')
            ->join('vs_blind_box_turntable_log b','b.id = a.tid','left')
            ->join('user c','b.user_id = c.id','left')
            ->join('vs_gift_bag_detail d','d.foreign_id = a.gift_id','left')
            ->join('vs_gift e','e.gid = a.gift_id','left')
            ->field('a.gift_id,a.count,b.user_id,b.createtime,c.nickname,d.name as gift_name,e.base_image')
            ->where($where)
            ->page($page,$page_size)
            ->select();
        foreach ($list as &$v){
            $v['createtime'] = date('Y-m-d H:i:s',$v['createtime']);
        }
        return ['code' => 1, 'msg' => '成功', 'data' => $list];
    }
    /*
     * 巡乐会
     */
    public function xlh_gift_list($room_id){
        $gift_bag_id = 13;
        $xlh_box = db::name('vs_gift_bag')->where('id',$gift_bag_id)->find();
        $xlh_ext = json_decode($xlh_box['ext'],true);
        $gifts = db::name('vs_gift_bag_detail')->where('gift_bag_id',$gift_bag_id)->order("id desc")->select();
        $gift_list = [];
        foreach ($gifts as $key => $value) {
            $gift_data = db::name('vs_gift')->where('gid',$value['foreign_id'])->where('delete_time',0)->find();
            if($gift_data){
                $gift_list[$key]['number'] = $key;
                $gift_list[$key]['gift_id'] = $gift_data['gid'];
                $gift_list[$key]['gift_name'] = $gift_data['gift_name'];
                $gift_list[$key]['base_image'] = $gift_data['base_image'];
                $gift_list[$key]['play_image'] = $gift_data['play_image'];
                $gift_list[$key]['gift_price'] = $gift_data['gift_price'];
            }
        }
        //房主礼物
        $room_user_gift = db::name('vs_gift')->where('gid',$xlh_ext['locking_condition']['give_homeowner_gift_id'])->find();
        //巡乐会主礼物
        $xlh_main_gift = db::name('vs_gift')->where('gid',$xlh_ext['locking_condition']['locking_gift_id'])->find();
        //中奖用户
        $xlh_periods = db::name('vs_room')->where('id',$room_id)->value('xlh_periods');
        $pan_xlh = db::name('vs_room_pan_xlh')->where(['room_id'=>$room_id,'periods'=>$xlh_periods])->find();
        if(empty($pan_xlh)){
            return ['code' => 0, 'msg' => '未开始', 'data' => null];
        }
        //巡乐会结束时间
        $xlh_end_time = $pan_xlh['createtime'] + $xlh_ext['locking_time']['end_time'] * 60;
        $xlh_user_data= null;
        if($pan_xlh['user_id']){
            $xlh_user = db::name('user')->where('id',$pan_xlh['user_id'])->find();
            $xlh_user_data = [
                'user_id' => $xlh_user['id'],
                'nickname' => $xlh_user['nickname'],
                'avatar' => $xlh_user['avatar'],
            ];
            //寻乐会结束时间
            $xlh_end_time = $pan_xlh['end_time'];
        }
        $result_data = [
            'title' => $xlh_box['name'],
            'rule_url' => get_system_config_value('web_site')."/api/Page/get_gift_box_rule?box_id=".$xlh_box["id"],
            'box_price' => $xlh_ext['xlh_box_price'],
            'xlh_end_time' =>$xlh_end_time,
            'give_homeowner_gift' => [
                'gift_id' => $room_user_gift['gid'],
                'gift_name' => $room_user_gift['gift_name'],
                'base_image' => $room_user_gift['base_image'],
            ],
            'locking_gift' => [
                'gift_id' => $xlh_main_gift['gid'],
                'gift_name' => $xlh_main_gift['gift_name'],
                'gift_price' => $xlh_main_gift['gift_price'],
                'base_image' => $xlh_main_gift['base_image'],
                'gift_num' => $pan_xlh['num']
            ],
            'xlh_user' => $xlh_user_data,
            'gift_list' => $gift_list,
        ];
        return ['code' => 1, 'msg' => '获取成功', 'data' => $result_data];
    }

    /*
     * 巡乐会抽奖
     */
    public function xlh_draw_gift($user_id,$num,$room_id){
        $gift_bag_id  = 13;
        //获取盲盒配置
        $bag_data = db::name("vs_gift_bag")->field('id,name,ext,periods')->where('id',$gift_bag_id)->find();
        $ext = json_decode($bag_data['ext'],true);
        //判断是否有足够的金币
        $user_waller = db::name('user_wallet')->where(['user_id'=>$user_id])->find();
        if ($user_waller['coin'] < $ext['xlh_box_price'] * $num) {
            return ['code' => 0, 'msg' => '用户金币不足', 'data' => null];
        }
        $room = db::name('vs_room')->where(['id'=>$room_id])->find();
        if ($room['is_open_blind_box_turntable'] != 1) {
            return ['code' => 0, 'msg' => '该房间未开启盲盒转盘', 'data' => null];
        }
        //开始抽奖
        $pan_xlh = db::name('vs_room_pan_xlh')->where(['room_id'=>$room_id,'periods'=>$room['xlh_periods']])->find();
        if(empty($pan_xlh)){
            return ['code' => 0, 'msg' => '未开始', 'data' => null];
        }
        $is_zhong_jiang = 0;
        $pan_xlh_num = $pan_xlh['num'];
        //奖池总的抽奖次数
        $total_quantity  = db::name("vs_gift_bag_detail")->where(['gift_bag_id' => $gift_bag_id])->sum('quantity');

        db::startTrans();
        try{
            for($i = 0; $i < $num; $i++){
                //本期当前第多少次后抽奖 总的抽奖次数- 剩余数量
                $total_remaining = db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_id'=>$gift_bag_id])->value('remaining_number');
                $total_draw_times = $total_quantity - $total_remaining;
                //随机获取一个礼物
                $where = [
                    'a.gift_bag_id' => $gift_bag_id,
                    'a.quantity' => ['>',0],
                    'b.remaining_number' => ['>',0],
                    'b.room_id' => $room_id,
                    'a.weight' => ['<=', $total_draw_times],
                ];
                // 使用闭包条件来处理复杂的 weight 逻辑
//                $where['a.weight'] = ['exp', Db::raw('= 0 OR a.weight < '.$total_draw_times)];
                // 优化：基于剩余数量的加权随机选择
                $gift_bag_details = db::name("vs_gift_bag_detail")
                    ->field('a.id,a.quantity,b.remaining_number,a.weight,a.foreign_id')
                    ->alias('a')
                    ->join('vs_room_pan b','b.gift_bag_detail_id = a.id','left')
                    ->where($where)
                    ->select();
                if (empty($gift_bag_details)) {
                    return ['code' => 0, 'msg' => '当前盲盒无可用礼物', 'data' => []];
                }
                // 实现加权随机算法：剩余数量越多，被抽中的概率越大
                $remaining = 0;
                foreach ($gift_bag_details as $gift) {
                    $remaining += $gift['remaining_number'];
                }
                $rand_value = mt_rand(1, $remaining);
                $current_sum = 0;
                $gift_bag_detail = null;
                foreach ($gift_bag_details as $gift) {
                    if($gift['remaining_number'] <= 0){
                        continue;
                    }
                    $current_sum += $gift['remaining_number'];
                    if ($rand_value <= $current_sum) {
                        $gift_bag_detail = $gift;
                        break;
                    }
                }
                if($gift_bag_detail){
                    //获取开出礼物的信息
                    $gift = db::name("vs_gift")->where(['gid'=>$gift_bag_detail['foreign_id']])->find();
                    //抽中礼物落包
                    $res = model('UserGiftPack')->change_user_gift_pack($user_id,$gift_bag_detail['foreign_id'],1,model('UserGiftPack')::XLH_DRAW_GIFT_GET,$bag_data['name']."抽奖所得");
                    if ($res['code'] != 1) {
                        db::rollback();
                        return ['code' => 0, 'msg' => $res['msg'], 'data' => null];
                    }
                    //处理抽中礼物命中主奖品逻辑
                    if($gift_bag_detail['foreign_id'] == $ext['locking_condition']['selected_gift_id']){
                        //中奖
                        $pan_xlh_num = $pan_xlh_num+1;
                        if($pan_xlh_num <= 1){
                            $add_end_time =  $ext['locking_time']['tow_no_locking_time'] * 60;
                        }else{
                            $add_end_time =  ($ext['locking_time']['tow_no_locking_time']-$ext['locking_time']['next_time']) * 60;
                        }
                        if($add_end_time <= 30){
                            $add_end_time = 30;
                        }
                        $end_time = time() +  $add_end_time;
                        db::name('vs_room_pan_xlh')->where('id',$pan_xlh['id'])->update([
                            'user_id' => $user_id,
                            'pay_price' =>$ext['xlh_box_price'],
                            'locking_gift_id' =>$gift_bag_detail['foreign_id'],
                            'num' => $pan_xlh_num,
                            'end_time' => $end_time,
                            'updatetime' => time()
                        ]);
                        db::name('vs_room_pan_xlh_log')->insertGetId([
                            'xlh_id' => $pan_xlh['id'],
                            'user_id' => $user_id,
                            'num' => $pan_xlh_num,
                            'locking_end_time' => $end_time,
                            'createtime' => time()
                        ]);
                        $is_zhong_jiang = 1;
                    }
                    //减去盲盒包礼物数量
                    $ret = db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_detail_id'=>$gift_bag_detail['id']])->setDec('remaining_number',1);
                    if(!$ret){
                        db::rollback();
                        return ['code' => 0, 'msg' => '失败.', 'data' => []];
                    }
                    //判断剩余数量是否为0 为0重置，进入下一期
                    $gift_bag_num = db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_id'=>$gift_bag_id])->sum('remaining_number');
                    if($gift_bag_num <= 0){
                        db::name("vs_room_pan")->where(['room_id'=>$room_id,'gift_bag_id'=>$gift_bag_id])->update(
                            ['remaining_number' => db::raw('(SELECT quantity FROM fa_vs_gift_bag_detail WHERE id = fa_vs_room_pan.gift_bag_detail_id)')]);
                    }
                }else{
                    db::rollback();
                    return ['code' => 0, 'msg' => '失败!', 'data' => []];
                }
                $result_data[] = [
                    'user_id' => $user_id,
                    'gift_id'=>$gift_bag_detail['foreign_id'],
                    'gift_price'=>$gift['gift_price'],
                    'gift_name'=>$gift['gift_name'],
                    'base_image'=>$gift['base_image'],

                ];
            }
            $reslut_data = [];
            foreach ($result_data as $key => $value) {
                $gift_id = $value['gift_id'];
                if (!isset($reslut_data[$gift_id])) {
                    $reslut_data[$gift_id] = [
                        'gift_id' => $gift_id,
                        'gift_price'=>$value['gift_price'],
                        'gift_name'=>$value['gift_name'],
                        'base_image'=>$value['base_image'],
                        'count' => 1
                    ];
                }else {
                    $reslut_data[$gift_id]['count']++;
                }
            }
            $result_list = [];
            foreach ($reslut_data as $key => $value) {
                //处理礼包发放记录表
                $data = [];
                $data['user_id'] = $user_id;
                $data['parent_id'] = $pan_xlh['id'];
                $data['gift_bag_id'] = $gift_bag_id;
                $data['gift_id'] = $value['gift_id'];
                $data['periods'] = $room['blind_box_turntable_periods'];
                $data['room_id'] = $room_id;
                $data['num'] = $value['count'];
                $data['gift_price'] = $value['gift_price'];
                $data['bag_price'] = $ext['xlh_box_price'];
                $data['createtime'] = time();
                $result = db::name("vs_gift_bag_receive_log")->insert($data);
                if(!$result){
                    db::rollback();
                    return ['code' => 0, 'msg' => '失败,', 'data' => []];
                }
                $result_list[]=[
                    'gift_id'=>$value['gift_id'],
                    'gift_name'=>$value['gift_name'],
                    'base_image' =>$value['base_image'],
                    'gift_price'=>$value['gift_price'],
                    'count'=>$value['count'],
                ];
            }
            // 添加活动记录
            $reslut = Db::name('vs_activities_receive')->insert([
                'user_id' => $user_id,
                'activities_id' => 6,
                'room_id' => $room_id,
                'createtime' => time(),
                'updatetime' => time()
            ]);
            db::commit();
        } catch(\Exception $e) {
            db::rollback();
            return V(0,$e->getMessage());
        }
        if($is_zhong_jiang == 1){
            //推送
            $FromUserInfo = db::name('user')->field('nickname,avatar')->where(['id'=>$user_id])->find();
            $room_name = db::name('vs_room')->where(['id'=>$room_id])->value('room_name');
            $gift_name = db::name('vs_gift')->where(['gid'=>$value['gift_id']])->value('gift_name');
            $text = $FromUserInfo['nickname'] . ' 用户在 ' . $room_name.' 房间巡乐会中 ' .$gift_name.'礼物 x ' .$value['count']." 已收入背包";
            $text = [
                'gift_num' => $pan_xlh_num,
                'FromUserInfo' => $FromUserInfo,
                'end_time' => $end_time,
                'text' => $text
            ];
            //聊天室推送系统消息
            model('Chat')->sendMsg(1057,$room_id,$text);
        }
        //返回结果排序
        usort($result_list, function($a, $b) {
            return $b['gift_price'] <=> $a['gift_price'];
        });
        return ['code' => 1, 'msg' => '成功', 'data' => $result_list];
    }

    /*
     * 巡乐会抽奖记录
     */
    public function xlh_get_user_record($user_id,$room_id,$page=1,$page_size=12){
        $where = [];
        $where['a.gift_bag_id'] = 13;
        $where['a.user_id'] = $user_id;
        $where['a.room_id'] = $room_id;
        $list = db('vs_gift_bag_receive_log')
            ->alias('a')
            ->join('vs_room_pan_xlh b','b.id = a.parent_id','left')
            ->join('vs_gift c','c.gid = a.gift_id','left')
            ->field('a.gift_id,a.num as count,b.createtime,c.gift_name as gift_name,c.base_image')
            ->where($where)
            ->page($page,$page_size)
            ->select();
        foreach ($list as &$v){
            $v['createtime'] = date('Y-m-d H:i:s',$v['createtime']);
        }
        return ['code' => 1, 'msg' => '成功', 'data' => $list];
    }

    /*
     * 巡乐会榜单
    */
    public function xlh_ranking($room_id,$page=1,$page_size=12){
        $where = [];
        $where['a.gift_bag_id'] = 13;
        $where['a.room_id'] = $room_id;
        $where['e.is_world_show'] = 1;
        $list = db('vs_gift_bag_receive_log')
            ->alias('a')
            ->join('vs_room_pan_xlh b','b.id = a.parent_id','left')
            ->join('vs_gift c','c.gid = a.gift_id','left')
            ->join('fa_user d','d.id = a.user_id','left')
            ->join('vs_gift_bag_detail e','e.foreign_id = a.gift_id','left')
            ->field('a.gift_id,a.num,b.createtime,c.gift_name as gift_name,c.base_image,d.nickname')
            ->where($where)
            ->page($page,$page_size)
            ->select();
        foreach ($list as &$v){
            $v['createtime'] = date('Y-m-d H:i:s',$v['createtime']);
        }
        return ['code' => 1, 'msg' => '成功', 'data' => $list];
    }
}