<?php

namespace addons\ReservationService\common\services;

use addons\ReservationService\common\enums\ReservationServiceEnum;
use addons\ReservationService\common\models\ReservationServiceOrder;
use addons\ReservationService\common\models\ReservationServiceUser;
use addons\ReservationService\common\models\ReservationServiceWorkTime;
use addons\Store\common\models\Store;
use addons\Store\common\models\StoreReserveSetting;
use addons\Store\common\models\StoreReserveTechnicianScheduling;
use addons\Store\common\models\StoreReserveTechnicianSchedulingTime;
use addons\Store\common\models\StoreSettings;
use common\enums\StatusEnum;
use common\helpers\StringHelper;
use common\models\common\CommissionLog;
use common\models\user\User;
use yii\db\Expression;
use yii\helpers\Json;
use Yii;

class UserService
{

    /**
     * @param int $mall_id
     * @param array $params
     * @return array|false|mixed|null
     */
    public function page(int $mall_id, array $params)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]]
        ];

        if (!empty($params['user_id'])) {
            $where[] = ['user_id' => $params['user_id']];
        } elseif (!empty($params['keyword'])) {
            $uids = User::find()->where(['mall_id' => $mall_id])
                ->andWhere(['status' => StatusEnum::ENABLED])
                ->andWhere(['or', ['like', 'nickname', $params['keyword']], ['like', 'mobile', $params['keyword']]])
                ->select('id')->column();
            if (!empty($uids)) {
                $where[] = ['user_id' => $uids];
            } else {
                return [];
            }
        }

        //  指定多个用户
        if (!empty($params['user_ids'])) {
            $where[] = ['user_id' => $params['user_ids']];
        }
        if (isset($params['user_id_arr'])) {
            $where[] = ['user_id' => $params['user_id_arr']];
        }

        //  真实姓名
        if (!empty($params['name'])) {
            $where[] = ['like', 'name', $params['name']];
        }

        //  手机号
        if (!empty($params['mobile'])) {
            $where[] = ['like', 'mobile', $params['mobile']];
        }

        //  所在地址
        if (!empty($params['address'])) {
            $where[] = ['like', 'address', $params['address']];
        }

        //  审核状态
        if (!empty($params['check_status'])) $where[] = ['check_status' => $params['check_status']];
        //  指定门店
        if (!empty($params['store_id'])) {
            $where[] = ['store_id' => $params['store_id']];
        }

        //  时间区间
        if (!empty($params['date_start'])) $where[] = ['>=', 'created_at', strtotime($params['date_start'])];
        if (!empty($params['date_end'])) $where[] = ['<=', 'created_at', strtotime($params['date_end'])];

        if (!empty($params['is_store'])) {  //  仅限门店
            $where[] = ['>', 'store_id', '0'];
        }

        //  年龄区间
        if (!empty($params['age_min'])) $where[] = ['>=', 'age', $params['age_min']];
        if (!empty($params['age_max'])) $where[] = ['<=', 'age', $params['age_max']];

        //  性别
        if (!empty($params['gender'])) $where[] = ['gender' => $params['gender']];

        if (!empty($params['store_status'])) $where[] = ['store_status' => $params['store_status']];
        if (!empty($params['is_working'])) $where[] = ['is_working' => $params['is_working']];

        //  字段
        $select = 'id, mall_id, level, name, mobile, created_at, updated_at, idcard, idcard_front, idcard_back, address, longitude, latitude, '.
            'qualification_certificate, commission, status, check_status, check_remark, store_id, store_status, service_rating, store_service_rating, store_lng, store_lat, ' .
            'gender, age, desc, avatar, is_working, order_num, user_id, store_order_num';
        $fields = explode(', ', $select);
        //  技师经纬度
        if (!empty($params['lng']) && !empty($params['lat'])) {
            $lng = $params['lng'];
            $lat = $params['lat'];
            $lng_field = 'longitude';
            $lat_field = 'latitude';
        }

        //  门店经纬度
        if (!empty($params['store_lng']) && !empty($params['store_lat'])) {
            $lng = $params['store_lng'];
            $lat = $params['store_lat'];
            $lng_field = 'store_lng';
            $lat_field = 'store_lat';
        }

        //  距离
        if (!empty($lng)) {
            $fields[] = new Expression("round(
                            2 * 6378.137 * ASIN(
                                SQRT(
                                    POW(
                                        SIN(
                                            PI() * ({$lng} - $lng_field) / 360
                                        ),
                                        2
                                    ) + COS(PI() * {$lat} / 180) * COS($lat_field * PI() / 180) * POW(
                                        SIN(
                                            PI() * ({$lat} - $lat_field) / 360
                                        ),
                                        2
                                    )
                                )
                            )
                        ,1) AS distance");
        }

        $ret = ReservationServiceUser::listPage([
            'where' => $where,
            'with'  => ['user' => function($query) {
                $query->select(['id', 'nickname', 'avatar_url', 'mobile']);
            }, 'level' => function($query) {
                $query->select('id, level, name');
            }],
            'order' => $params['sort'] ?? 'id desc',    //  排序
            'limit' => $params['limit'] ?? 10,
            'select'=> $fields,
        ]);

        $stats = ReservationServiceOrder::find()
            ->select(['staff_user_id', 'COUNT(*) as order_count'])
            ->where(['service_status' => 100, 'status' => StatusEnum::ENABLED])
            ->groupBy('staff_user_id')
            ->indexBy('staff_user_id')
            ->asArray()
            ->all();

        foreach($ret['list'] as $k => $v){
            $ret['list'][$k]['order_count'] = $stats[$v['user_id']]['order_count'];
        }
        
        if (!empty(ReservationServiceUser::getStaticError())) return ReservationServiceUser::getStaticCodeError();

        return $ret;
    }

    /**
     * @param int $mall_id
     * @param int $user_id
     * @param $store
     * @return true
     * @throws \Exception
     */
    public function bindStore(int $mall_id, int $user_id, $store)
    {
        $user = $this->fetch($mall_id, $user_id);
        $user->store_id = $store->id;
        $user->store_lng = $store->longitude;
        $user->store_lat = $store->latitude;
        if (!$user->save()) throw new \Exception($user->getErrorMessage());
        return true;
    }

    /**
     * @param int $mall_id
     * @param int $user_id
     * @param int $store_id
     * @return ReservationServiceUser
     * @throws \Exception
     */
    public function fetch(int $mall_id, int $user_id, int $store_id = 0)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['user_id' => $user_id],
            ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]],
            ['check_status' => StatusEnum::ENABLED]
        ];

        if (!empty($store_id)) $where[] = ['store_id' => $store_id];

        /**
         * @var $user ReservationServiceUser
         */
        $user = ReservationServiceUser::getOne($where);
        if (empty($user)) throw new \Exception('技师不存在!');
        return $user;
    }

    /**
     * @param int $mall_id
     * @param int $id
     * @return ReservationServiceUser|string
     */
    public function fetchById(int $mall_id, int $id)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['id' => $id],
            ['status' => StatusEnum::ENABLED],
            ['check_status' => StatusEnum::ENABLED]
        ];

        $user = ReservationServiceUser::getOne($where, true, [], 'id desc', 'id, created_at, user_id, name, idcard, address, 
        longitude, latitude, qualification_certificate, store_id, gender, age, desc, avatar, is_working, order_num, service_rating,idcard_front,idcard_back');
        if (empty($user)) return '技师记录不存在.';

        $user['store'] = null;
        if (!empty($user['store_id'])) {
            $user['store'] = Store::getOne([
                ['id' => $user['store_id']],
                ['status' => StatusEnum::ENABLED]
            ], true, [], 'id desc', 'id, store_name, logo_img');
        }

        $user['created_at'] = date('Y-m-d H:i:s', $user['created_at']);
        $user['qualification_certificate'] = !empty($user['qualification_certificate']) ? Json::decode($user['qualification_certificate']) : [];
        //  隐藏身份证号码
        //  是否可约
        //  距离
        $user['idcard'] = StringHelper::hideStr($user['idcard'], 1, 16);

        $is_real_name_authentication = 0;//实名认证
        $is_qualification_certificate = 0;//资质证书
        if(!empty($user['name']) && !empty($user['idcard']) && !empty($user['idcard_front']) && !empty($user['idcard_back'])){
            $is_real_name_authentication = 1;
        }
        if(!empty($user['qualification_certificate'])){
            $is_qualification_certificate= 1;
        }
        $user['is_real_name_authentication'] = $is_real_name_authentication;
        $user['is_qualification_certificate'] = $is_qualification_certificate;

        return $user;
    }

    /**
     * 详情
     * @param int $mall_id
     * @param int $user_id
     * @param int $store_id
     * @param bool $is_settle
     * @return mixed
     * @throws \Exception
     */
    public function detail(int $mall_id, int $user_id, int $store_id = 0, bool $is_settle = false)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['user_id' => $user_id],
            ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]],
        ];

        if (!empty($store_id)) $where[] = ['store_id' => $store_id];

        $user = ReservationServiceUser::getOne($where, true, $is_settle ? [] : ['user' => function($query) {
            $query->select('id, nickname, mobile, avatar_url');
        }, 'level' => function($query) {
            $query->select('id, level, name');
        }]);
        if (empty($user) && !$is_settle) throw new \Exception('记录不存在!');
        $is_real_name_authentication = 0;//实名认证
        $is_qualification_certificate = 0;//资质证书
        if(!empty($user['name']) && !empty($user['idcard']) && !empty($user['idcard_front']) && !empty($user['idcard_back'])){
            $is_real_name_authentication = 1;
        }
        if(!empty($user['qualification_certificate'])){
            $is_qualification_certificate= 1;
        }
        $user['is_real_name_authentication'] = $is_real_name_authentication;
        $user['is_qualification_certificate'] = $is_qualification_certificate;
        return $user;
    }

    /**
     * 获取基础详情
     * @param int $mall_id
     * @param int $user_id
     * @return array|mixed
     * @throws \Exception
     */
    public function customByUserId(int $mall_id, int $user_id)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['user_id' => $user_id],
            ['status' => StatusEnum::ENABLED],
        ];

        $user = ReservationServiceUser::getOne($where, true, [
            'level' => function($query)use($mall_id) {
                $query->where(['mall_id'=>$mall_id,'status'=>[StatusEnum::ENABLED, StatusEnum::DISABLED]])->select('id, name');
            }
        ], 'id asc', 'level, store_id, commission');

        if (empty($user)) throw new \Exception("您还不是技师");

        if (!empty($user['store_id'])) {
            $user['store'] = Store::getOne([
                ['id' => $user['store_id']],
                ['status' => StatusEnum::ENABLED]
            ], true, [], 'id desc', 'id, store_name, logo_img');
        }

        return $user;
    }

    /**
     * 统计数据
     * @param int $mall_id
     * @param int $user_id
     * @param int $store_id
     * @return mixed|null
     */
    public function frontStatisticsByMonth(int $mall_id, int $user_id, int $store_id = 0)
    {

        $where = [
            ['mall_id' => $mall_id],
            ['staff_user_id' => $user_id],
            ['status' => StatusEnum::ENABLED],
            ['service_status' => [ReservationServiceEnum::RESERVE_ORDER_STATUS_FINISH, ReservationServiceEnum::RESERVE_ORDER_STATUS_UNDERWRITER]],
            ['>=', 'created_at', strtotime(date('Y-m', time()))]
        ];

        if (!empty($store_id)) {
            $where[] = ['store_id' => $store_id];
        }

        return ReservationServiceOrder::getOne($where, true, [], 'id asc', [new Expression("COUNT(*) as order_month")]);
    }

    /**
     * 移除绑定的门店
     * @param int $mall_id
     * @param int $user_id
     * @param int $store_id
     * @return true
     * @throws \Exception
     */
    public function removeStore(int $mall_id, int $user_id, int $store_id)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['user_id' => $user_id],
            ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]],
            ['store_id' => $store_id]
        ];

        /**
         * @var $user ReservationServiceUser
         */
        $user = ReservationServiceUser::getOne($where);
        if (empty($user)) throw new \Exception("技师不存在");
        $user->store_id = 0;
        if (!$user->save()) throw new \Exception($user->getErrorMessage());
        return true;
    }

    /**
     * 设置门店上班状态
     * @param int $mall_id
     * @param int $user_id
     * @param int $store_id
     * @return true
     * @throws \Exception
     */
    public function setStoreStatus(int $mall_id, int $user_id, int $store_id = 0)
    {
        $user = $this->fetch($mall_id, $user_id, $store_id);
        $user->store_status = $user->store_status == StatusEnum::ENABLED ? StatusEnum::DISABLED : StatusEnum::ENABLED;
        if (!$user->save()) throw new \Exception($user->getErrorMessage());
        return true;
    }

    /**
     * 创建/修改
     * @param int $mall_id
     * @param int $user_id
     * @param array $data
     * @param bool $is_edit
     * @return mixed|string|true|null
     */
    public function save(int $mall_id, int $user_id, array $data, bool $is_edit = false)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['user_id' => $user_id],
            ['status' => StatusEnum::ENABLED],
        ];
        /**
         * @var $user ReservationServiceUser
         */
        $user = ReservationServiceUser::getOne($where);
        if (empty($user)) {
            if ($is_edit) return '非法操作';
            $user = new ReservationServiceUser();
            $user->loadDefaultValues();
            $user->mall_id = $mall_id;
            $user->user_id = $user_id;
        } else {
            if (!in_array($user->check_status, [ReservationServiceEnum::CHECK_FAILED, ReservationServiceEnum::RESERVE_ORDER_STATUS_TALKING])) return '当前状态不可修改';
        }

        if (!$is_edit) {
            $user->check_status = StatusEnum::DISABLED;
            $user->created_at = time(); //  每次都设置为最新时间
        } else {
            $user->avatar = $data['avatar'];
        }
        if (empty($data['id'])) {
            $user->idcard = $data['idcard'];
            $user->idcard_front = $data['idcard_front'];
            $user->idcard_back = $data['idcard_back'];
            $user->name = $data['name'];
            $user->age = $data['age'] ?? 0;
            $user->gender = $data['gender'] ?? 0;
        }
        if (!empty($data['desc'])) {
            $user->desc = $data['desc'];
        }
        $user->qualification_certificate = Json::encode(!empty($data['qualification_certificate']) ? $data['qualification_certificate'] : []);
        $user->address = $data['address'];
        $user->longitude = $data['longitude'];
        $user->latitude = $data['latitude'];
        $user->mobile = $data['mobile'];
        $user->avatar = $data['avatar'] ?? '';
        if (!empty($data['province'])) {
            $user->province = $data['province'];
        }
        if (!empty($data['city'])) {
            $user->city = $data['city'];
        }
        if (!empty($data['district'])) {
            $user->district = $data['district'];
        }
        if (!$user->save()) return $user->getErrorMessage();
        return true;
    }


    /**
     * @param int $mall_id
     * @param int $user_id
     * @return true
     * @throws \Exception
     */
    public function setWorking(int $mall_id, int $user_id)
    {
        $user = $this->fetch($mall_id, $user_id);
        $user->is_working = $user->is_working == StatusEnum::ENABLED ? StatusEnum::DISABLED : StatusEnum::ENABLED;
        if (!$user->save()) throw new \Exception($user->getErrorMessage());
        return true;
    }

    /**
     * 执行审核
     * @param int $mall_id
     * @param array $params
     * @return true
     * @throws \Exception
     */
    public function audit(int $mall_id, array $params)
    {
        $where = [
            ['mall_id' => $mall_id],
            ['id' => $params['id']],
            ['status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]],
            ['check_status' => StatusEnum::DISABLED]
        ];
        /**
         * @var $user ReservationServiceUser
         */
        $user = ReservationServiceUser::getOne($where);
        $user->check_status = $params['status'];
        $user->check_remark = !empty($params['remark']) ? $params['remark'] : '';
        $user->level = 1;   //  默认为第一个级别
        if (!$user->save()) throw new \Exception($user->getErrorMessage());
        return true;
    }


    /**
     * 保存接单时间
     * @param int $mall_id
     * @param int $user_id
     * @param $times_arr
     * @return
     */
    public function setWorkingTime(int $mall_id, int $user_id,$times_arr)
    {
        $trans = Yii::$app->db->beginTransaction();
        try{
            $user_times = ReservationServiceWorkTime::find()->where(['mall_id' => $mall_id,'user_id' => $user_id,'status'=>StatusEnum::ENABLED])
                ->orderBy('week_day asc')
                ->asArray()->all();
            $temp_times = [];

            foreach($user_times as $val){
                $temp_times[$val['week_day']][$val['text']] = $val;
            }

            $rows = [];
            $times_arr_new = [];
            foreach($times_arr as $time){
                $exist = $temp_times[$time['day']][$time['text']] ?? [];

                if(!$exist){
                    //新增
                    $rows[] = [
                        'mall_id' => $mall_id,
                        'user_id' => $user_id,
                        'week_day' => $time['day'],
                        'start_time' => $time['start_time'],
                        'end_time' => $time['end_time'],
                        'text' => $time['text'],
                        'created_at' => time(),
                        'updated_at' => time()
                    ];
                }
                $times_arr_new[] = $time['day'].'_'.$time['text'];
            }

            $del_ids = [];
            foreach($user_times as $val){
                $key = $val['week_day'].'_'.$val['text'];
                if(!in_array($key,$times_arr_new)){
                    $del_ids[] = $val['id'];
                }
            }

            if (!empty($rows)) {
                $field = ['mall_id','user_id','week_day','start_time','end_time','text','created_at','updated_at'];
                $res = \Yii::$app->db->createCommand()->batchInsert(ReservationServiceWorkTime::tableName(), $field, $rows)->execute();
                if(!$res) throw new \Exception(ReservationServiceWorkTime::getStaticError());
            }

            if($del_ids){
                $res = ReservationServiceWorkTime::updateAll(['status' => StatusEnum::DELETE], ['id'=>$del_ids]);
                if(!$res) throw new \Exception(ReservationServiceWorkTime::getStaticError());
            }

            $trans->commit();
            return true;
        }catch(\Exception $e){
            $trans->rollBack();
            return $e->getMessage();
        }

    }


    /**
     * 获取技师工作时间
     * @param int $mall_id
     * @param int $user_id
     * @return array
     */
    public function getWorkingTime(int $mall_id, int $user_id)
    {
        $user_times = ReservationServiceWorkTime::find()->where(['mall_id' => $mall_id,'user_id' => $user_id,'status'=>StatusEnum::ENABLED])
            ->select('week_day,start_time,end_time,text')
            ->orderBy('week_day asc')
            ->asArray()->all();

        $temp_times = [];
        foreach($user_times as $val){
            $temp_times[$val['week_day']][] = $val;
        }

        return $temp_times;
    }

    /**
     * 技师的项目
     * @param int $mall_id
     * @param int $id
     * @return array|false|mixed|string
     */
    public function goods(int $mall_id, int $id)
    {
        /**
         * @var $user ReservationServiceUser
         */
        $user = ReservationServiceUser::getOne([
            ['mall_id' => $mall_id],
            ['id' => $id],
            ['status' => StatusEnum::ENABLED],
            ['check_status' => StatusEnum::ENABLED]
        ], false, [], 'id asc', 'user_id');
        if (empty($user)) return '技师不存在';

        return (new GoodsService())->goods($mall_id, $user->user_id);
    }

    /**
     * 接单排行榜
     * @return array|false|mixed|null
     */
    public function orderRank(int $mall_id, int $store_id = 0)
    {
        if (!empty($store_id)) $params['store_id'] = $store_id;
        $params['sort'] = 'order_num desc';
        $params['limit'] = 10;
        $params['page'] = 1;
        return (new UserService())->page($mall_id, $params);
    }

    /**
     * 服务评分排行榜
     * @return array|false|mixed|null
     */
    public function ratingRand(int $mall_id, int $store_id = 0)
    {
        if (!empty($store_id)) $params['store_id'] = $store_id;
        $params['sort'] = 'service_rating desc';
        $params['limit'] = 10;
        $params['page'] = 1;
        return (new UserService())->page($mall_id, $params);
    }

    /**
     * 数据统计
     * @param int $mall_id
     * @param int $user_id
     * @param int $store_id
     * @return array
     */
    public function statisticsByStaff(int $mall_id, int $user_id, int $store_id = 0)
    {
        $month = $this->frontStatisticsByMonth($mall_id, $user_id, $store_id);
        $where = ['mall_id' => $mall_id, 'user_id' => $user_id, 'status' => [StatusEnum::ENABLED, StatusEnum::DISABLED]];
        $staff = ReservationServiceUser::findOne($where);

        $income_month = CommissionLog::find()->where(['user_id' => $user_id])
            ->andWhere(['>=', 'created_at', strtotime(date('Y-m', time()))])
            ->andWhere(['change_type' => 'add'])
            ->andWhere(['from_type' => ReservationServiceEnum::ADDONS_NAME])
            ->sum('change_num');

        return [
            'total_order' => !empty($store_id) ? $staff->store_order_num : $staff->order_num,
            'total_commission'=> $staff->commission,
            'month_order' => $month['order_month'],
            'month_commission'=> !empty($income_month) ? bcmul($income_month, 1, 2) : 0
        ];
    }

    /**
     * @param int $user_id
     * @param $commission
     * @return void
     * @throws \Exception
     */
    public function addCommission(int $user_id, $commission)
    {
        $user = ReservationServiceUser::findOne(['user_id' => $user_id]);
        if($user){
            $user->commission += $commission;
            if (!$user->save()) throw new \Exception($user->getErrorMessage());
        }

    }

    public function checkScan($params)
    {
        $reservation_service_user  = ReservationServiceUser::getOne([
            ['status' => StatusEnum::ENABLED],
            ['user_id'=>$params['user_id']],
            ['mall_id'=>$params['mall_id']],
        ]);
        if(empty($reservation_service_user)){
            throw new \Exception('技师不存在');
        }
        if(empty($reservation_service_user['store_id'])){
            return true;
        }
        $store_reserve_settings = StoreReserveSetting::getOne([
            ['status' => StatusEnum::ENABLED],
            ['store_id'=>$reservation_service_user['store_id']],
            ['mall_id'=>$params['mall_id']],
        ]);
        if(empty($store_reserve_settings['setting'])){
            return true;
        }
        $store_reserve_settings = json_decode($store_reserve_settings['setting'],true);
        if(!empty($store_reserve_settings['technician_verification_switch'])){
            return true;
        }
        //关闭后，需要验证技师在门店的排班时间内不能核销 todo
        $time = time();
        $where = [
            ['user_id'=>$params['user_id']],
            ['store_id'=>$reservation_service_user['store_id']],
            ['mall_id'=>$params['mall_id']],
            ['date_time'=>strtotime(date('Y-m-d',$time))]
        ];
        $result = StoreReserveTechnicianScheduling::getOne($where);
        if (empty($result)) {
            return true;
        }
        if(!empty($result['is_all_day'])){
            throw new \Exception('该时段无核销权限');
        }
        $where = [];
        $where[] = [
            'sid'=>$result['id'],
        ];
        $list = StoreReserveTechnicianSchedulingTime::lists([
            'where'=>$where
        ]);
        if(empty($list)){
            return true;
        }
        foreach ($list as $item){
            if($item['start_time']<=$time && $time<=$item['end_time']){
                throw new \Exception('该时段无核销权限');
            }
        }
        return true;
    }

    public function orderStastics($params)
    {
        $where = ['mall_id'=>$params['mall_id'], 'staff_user_id'=>$params['staff_user_id'], 'service_status'=>ReservationServiceEnum::RESERVE_ORDER_STATUS_NORMAL];
        $pending_orders = ReservationServiceOrder::find()->where($where)->count();
        $where['service_status'] = ReservationServiceEnum::RESERVE_ORDER_STATUS_TALKING;
        $waiting_service = ReservationServiceOrder::find()->where($where)->count();
        $where['service_status'] = ReservationServiceEnum::RESERVE_ORDER_STATUS_UNDERWRITER;
        $to_be_accepted = ReservationServiceOrder::find()->where($where)->count();
        return ['pending_orders'=>$pending_orders??0,'waiting_service'=>$waiting_service??0,'to_be_accepted'=>$to_be_accepted??0];

    }
}