<?php

namespace member\modules\v1\controllers;

use common\core\BaseAppController;
use common\enums\ImMessageSendTypeEnum;
use common\enums\ImSessionStatusEnum;
use common\enums\ImSessionTypeEnum;
use common\enums\OrderAcceptEnum;
use common\enums\SystemNoticeTypeEnum;
use common\enums\UserRoleEnum;
use common\forms\ImMessageForm;
use common\helpers\ArrayHelper;
use common\helpers\FuncHelper;
use common\models\oldDb\ImMessage;
use common\models\oldDb\ImMessageSession;
use common\models\oldDb\ImMessageSessionOrder;
use common\models\oldDb\LeadInfo;
use common\models\oldDb\Order;
use common\models\oldDb\ServiceUser;
use common\models\oldDb\SystemNotice;
use common\models\oldDb\User;
use yii\base\Exception;

/**
 * @doc-module Im
 */
class ImController extends BaseAppController
{
    public function beforeAction($action)
    {

        $parent = parent::beforeAction($action); // TODO: Change the autogenerated stub
        return $parent;
    }

    /**
     * @doc-name 会话列表
     * @doc-return mixed @Lead{id-int-会话id,ImMessageSession{type},name-string-名称,avatar-string-头像,noread_count-int-未读数量,@Last{created_at-int-上次消息时间,created_at_format-string-格式化后的时间,content-string-上次消息}} 导医会话
     * @doc-return mixed @Doc{id-int-会话id,ImMessageSession{type},name-string-名称,avatar-string-头像,depart-string-科室,noread_count-int-未读数量,@Last{created_at-int-上次消息时间,created_at_format-string-格式化后的时间,content-string-上次消息}} 医生会话
     */
    public function actionSessionList()
    {
        //导医始终排在最上边 -
        //导医用的是最新的会话，不管结束未结束，给导医发送消息也可以传递to_id和ims_id,不过后台会根据导医会话的状态重新创建会话并进行接入
        $leadSessions =  ImMessageSession::find()->where([
            'user_id'   => \Yii::$app->user->identity->id,
            'type'  => ImSessionTypeEnum::USER_LEAD,
            'is_delete' => 0
        ])->with('serviceUser')->orderBy('id desc')->one();
        $leadSessions    = $leadSessions ? ArrayHelper::toArray($leadSessions,[
            ImMessageSession::class  => [
                'id',
                'type',
                'name'  => function(){
                    return '导医消息';
                },
                'avatar'    => 'serviceUser.leadInfo.avatar',
                'noread_count'  => function($model){
                    $count  = ImMessage::find()->where([
                        'ims_id'    => $model->id,
                        'read_status'   => 0,
                        'type'  => ImMessageSendTypeEnum::SERVICE_SEND,
                        'is_delete' => 0
                    ])->count();
                    return $count;
                },
                'last'  => function($model){
                    $message    = ImMessage::find()->where([
                        'ims_id'    => $model->id,
                        'is_delete' => 0,
                    ])->orderBy('id desc')->one();
                    if($message){
                        return [
                            'created_at'    => $message['created_at'],
                            'created_at_format'    => FuncHelper::time_tran($message['created_at']),
                            'content'    => $message['content'],
                        ];
                    }else{
                        return [];
                    }
                }
            ]
        ]) : [];


        //最新的消息排在最上边，不管是谁发送的，不管已读未读
        $last   = ImMessage::find()->where([
            'is_delete' => 0,
        ])->addSelect('ims_id,MAX(id) as id,max(created_at) as created_at')->groupBy('ims_id')->orderBy('id desc');

        $docSessions    = ImMessageSession::find()->alias('ims')->select([
            'ims.*',
        ])->addSelect('l.id as last_id,l.created_at as last_time')->where([
            'ims.user_id'   => \Yii::$app->user->identity->id,
            'ims.type'  => UserRoleEnum::DOCTOR,
            'ims.is_delete' => 0
        ])->joinWith(['order' => function($q){
            $q->alias('o')->andWhere(['<>','o.accept_status',OrderAcceptEnum::NO]);

        }])->leftJoin('(' . $last->createCommand()->getRawSql() . ') l', 'ims.id = l.ims_id')
            ->with('serviceUser')
            ->orderBy('l.created_at desc,ims.id desc')
            ->all();

        $docSessions    = count($docSessions) > 0 ? ArrayHelper::toArray($docSessions,[
            ImMessageSession::class  => [
                'id',
                'type',
                'name'  => 'serviceUser.docInfo.name',
                'avatar'    => 'serviceUser.docInfo.avatar',
                'depart'    => 'serviceUser.docInfo.depart.name',
                'noread_count'  => function($model){
                    $count  = ImMessage::find()->where([
                        'ims_id'    => $model->id,
                        'read_status'   => 0,
                        'type'  => ImMessageSendTypeEnum::SERVICE_SEND,
                        'is_delete' => 0
                    ])->count();
                    return $count;
                },
                'last'  => function($model){
                    $message    = ImMessage::findOne($model->last_id);
                    if($message){
                        return [
                            'created_at'    => $model->last_time,
                            'created_at_format' => FuncHelper::time_tran($model->last_time),
                            'content'   => $message->content
                        ];
                    }else{
                        return  [];
                    }
                }
            ]
        ]) : [];

        return [
            'lead'   => $leadSessions,
            'doc'   => $docSessions
        ];
    }

    /**
     * @doc-name 清除未读
     */
    public function actionClearNoRead()
    {
        $t=\Yii::$app->db->beginTransaction();
        try {
            ImMessage::updateAll(['read_status'=>1],[
                'user_id'   => \Yii::$app->user->identity->id,
                'type'  => ImMessageSendTypeEnum::SERVICE_SEND,
                'read_status'   => 0,
                'is_delete' => 0
            ]);
            SystemNotice::updateAll(['read_status'=>1],[
                'user_id'   => \Yii::$app->user->identity->id,
                'base_type'   =>SystemNoticeTypeEnum::REMINDER,
                'scene_type'   => 1,
                'read_status'   => 0,
            ]);
            $t->commit();

            return ['清除成功'];
        }catch (\Exception $e){
            $t->rollBack();
            throw $e;
        }

    }

    /**
     * @doc-name 会话消息记录
     * @doc-param int ims_id 会话id
     * @doc-param int page 页码 1 optional
     * @doc-param int page_size 每页条数 20 optional
     * @doc-return mixed @Session{ImMessageSession{*,@User-mixed-用户信息{name-string-名称,avatar-string-头像},@ServiceUser-mixed-服务人员信息{name-string-名称,avator-string-头像}}} 会话信息
     * @doc-return mixed @List{ImMessage{*,@User-mixed-用户信息{name-string-名称,avatar-string-头像},@ServiceUser-mixed-服务人员信息{name-string-名称,avator-string-头像}}} 消息记录
     * @doc-return mixed @Pagination{total_count-int-总数量,page_count-int-总页数,current_page-int-当前页,per_page-int-每页条数} 分页数据
     */
    public function actionMessageList()
    {
        $post   = \Yii::$app->request->post();
        $this->requestValidate($post,[
            ['ims_id','required']
        ]);

        $imMessageSession = ImMessageSession::find()->with('user','serviceUser')->where([
            'id' => $post['ims_id'],
            'user_id'   => \Yii::$app->user->identity->id,
            'is_delete' => 0
        ])->with('order')->one();
        $session = $imMessageSession ? ArrayHelper::toArray($imMessageSession,[
            ImMessageSession::class => [
                'id','user_id','service_id','type','status','created_at',
                'user','order',
                'serviceUser'   => function($model){
                    switch($model->type) {
                        case ImSessionTypeEnum::USER_USER:
                            $serviceUser   = User::findOne($model->service_id);
                            return [
                                'name'  => $serviceUser->nickname,
                                'avatar'    => $serviceUser->avatarurl,
                            ];
                            break;
                        case ImSessionTypeEnum::USER_DOC:
                            $serviceUser   = ServiceUser::find()->where([
                                'id'    => $model->service_id
                            ])->with('docInfo')->one();
                            return [
                                'name'  => $serviceUser->docInfo->name,
                                'avatar'    => $serviceUser->docInfo->avatar,
                            ];

                        case ImSessionTypeEnum::USER_LEAD:
                            $serviceUser   = ServiceUser::find()->where([
                                'id'    => $model->service_id
                            ])->with('leadInfo')->one();
                            return [
                                'name'  => $serviceUser->leadInfo->name,
                                'avatar'    => $serviceUser->leadInfo->avatar,
                            ];

                        case ImSessionTypeEnum::DOC_SERV:
                        case ImSessionTypeEnum::DRUG_SERV:
                        case ImSessionTypeEnum::LEAD_SERV:
                            //这三种情况member下暂时不会有
                            break;
                    }
                },
            ],
            User::class => [
                'name'=>'nickname','avatar'=>'avatarurl'
            ],
            Order::class    => [
                'id',
                'auto_over_time',
                'image_limit_status',
                'left_number',
                'status'    => function($model){
                    return Order::status_info($model);
                },
                'accept_status' => function($model){
                    return Order::accept_info($model);
                },
            ]
        ]) : [];
        $this->extend_result['session'] = $session;

        $query = ImMessage::find()->where([
            'ims_id'    => $post['ims_id'],
            'user_id'   => \Yii::$app->user->identity->id,
            'is_delete' => 0
        ])->with('user','imSession')->orderBy('id desc');

        $this->field = [
            ImMessage::class => [
                'id','user_id','service_id','content','read_status','type','created_at',
                'user',
                'serviceUser'   => function($model){
                    switch($model->imSession->type) {
                        case ImSessionTypeEnum::USER_USER:
                            $serviceUser   = User::findOne($model->service_id);
                            return [
                                'name'  => $serviceUser->nickname,
                                'avatar'    => $serviceUser->avatarurl,
                            ];

                        case ImSessionTypeEnum::USER_DOC:
                            $serviceUser   = ServiceUser::find()->where([
                                'id'    => $model->service_id
                            ])->with('docInfo')->one();
                            return [
                                'name'  => $serviceUser->docInfo->name,
                                'avatar'    => $serviceUser->docInfo->avatar,
                            ];

                        case ImSessionTypeEnum::USER_LEAD:
                            $serviceUser   = ServiceUser::find()->where([
                                'id'    => $model->service_id
                            ])->with('leadInfo')->one();
                            return [
                                'name'  => $serviceUser->leadInfo->name,
                                'avatar'    => $serviceUser->leadInfo->avatar,
                            ];

                        case ImSessionTypeEnum::DOC_SERV:
                        case ImSessionTypeEnum::DRUG_SERV:
                        case ImSessionTypeEnum::LEAD_SERV:
                            //这三种情况member下暂时不会有
                            break;
                    }
                },
            ],
            User::class => [
                'name'=>'nickname','avatar'=>'avatarurl'
            ],
        ];
        return $this->create($query,$post);
    }

    /**
     * @doc-name 用户端发送消息
     * @doc-desc session_type是会话的类型，直接取用会话的类型，导医第一次可能没有会话id,会话id传递0，会话类型直接传递3
     * @doc-param int ims_id 会话id,跟导医第一次可能没有会话id,传递0
     * @doc-param int session_type 会话类型1跟医生的会话3跟导医的会话
     * @doc-param json content 消息内容
     * @doc-return int image_limit_status 会话类型1会返回，是否限制回复条数1限制0不限制
     * @doc-return int left_number 会话类型1会返回，剩余条数,限制状态下，为0表示回复条数不足，不限制状态下，为0表示无限制
     */
    public function actionMessageSend()
    {
        //用戶端发送消息
        $post   = \Yii::$app->request->post();
        $this->requestValidate($post,[
            [['ims_id','session_type'],'required'],
            ['session_type','in','range'=>[1,3]],
            ['content','required','message'=>'消息内容不能为空']
        ]);

        $form = new ImMessageForm();
        $form->attributes = $post;
        $form->from_id  = \Yii::$app->user->identity->id;

        switch($post['session_type'])
        {
            case ImSessionTypeEnum::USER_LEAD:

                //导医用的是最新的会话，不管结束未结束，给导医发送消息也可以传递ims_id,不过后台会根据导医会话的状态重新创建会话并进行接入操作
                $query    = ImMessageSession::find()->where([
                    'user_id'   => \Yii::$app->user->identity->id,//id 32
                    'type'  => $post['session_type'],
                    'is_delete' => 0,
                    'status'=> ImSessionStatusEnum::ING
                ]);

                if($post['ims_id']){
                    $query->andWhere([
                        'id'    => $post['ims_id']
                    ]);
                }
                $ims= $query->one();

                $lead_id=LeadInfo::getLastLeadUserId();//空闲导医

                if(!$ims){ //不要判断!$post['ims_id']否则会添加一堆的会话
                    $ims    = new ImMessageSession();
                    $ims->user_id   = \Yii::$app->user->identity->id;
                    $ims->type  = $post['session_type'];
                    $ims->saveOrFail();
                }

                $form->ims_id   = $ims->id;
                $form->to_id    = $ims->service_id;

                $form->sendMessage();

                return [];

            case ImSessionTypeEnum::USER_DOC:

                $image_limit_status   = 0;
                $left_number    = 0;

                $ims    = ImMessageSession::find()->where([
                    'id'    => $post['ims_id'],
                    'is_delete' => 0
                ])->with('order')->one();
                if(!$ims || !$ims->order){
                    throw new Exception('会话不存在或者会话订单不存在');
                }

                $form->to_id    = $ims->service_id;

                $order  = $ims->order;
                //检查订单状态
                if($order->accept_status == OrderAcceptEnum::WAIT_ACCEPT){
                    //待接诊状态 - 可以补充回答
                    $form->sendMessage();

                }elseif($order->accept_status == OrderAcceptEnum::ACCEPTING ){
                    //已接诊状态 - 发送消息 - 扣除相应的条数
                    $ts  = \Yii::$app->db->beginTransaction();
                    try {
                        $order  = Order::findOne($ims->order->id);
                        if($order->image_limit_status && $order->left_number <=0){
                            throw new Exception('回复条数不足');
                        }

                        $form->sendMessage();

                        if($order->image_limit_status){
                            $order->updateCounters(['left_number' => -1]);
                        }

                        $image_limit_status = $order->image_limit_status;
                        $left_number    = $order->left_number;

                        $ts->commit();
                    }catch (\Exception $exception){
                        $ts->rollBack();
                        throw $exception;
                    }
                }else{
                    //其他情况-拒绝
                    throw new Exception('发送失败:订单非待接诊和接诊状态,无法发送消息');
                }

                return [
                    'image_limit_status'    => $image_limit_status,
                    'left_number'   => $left_number,
                ];
        }
    }


    /**
     * @doc-name 结束会话
     * @doc-param int ims_id 会话id
     * @doc-param int service_id 服务端id
     */
    public function actionOverSession()
    {
        $post= \Yii::$app->request->post();
        $this->requestValidate($post,[
          [ ['ims_id','service_id'],'required' ]
        ]);

        $imMessageSession=  ImMessageSession::find()->where([
            'id'=>$post['ims_id'],
            'user_id'=>\Yii::$app->user->identity->getId(),
            'service_id'=>$post['service_id'],
            'status'=>0
        ])->one();
        if (!$imMessageSession)throw new \yii\db\Exception('聊天消息会话不存在或已结束');

        $order_id=ImMessageSessionOrder::find()->select('order_id')->where([
            'ims_id'=>$post['ims_id'],
        ])->column();

       $order= Order::find()->where([
            'id'=>$order_id,
            'user_id'=>\Yii::$app->user->identity->getId(),
            'su_id'=>$post['service_id']
        ])->one();

       if (!$order)throw new \yii\db\Exception('订单不存在');
        $t=\Yii::$app->db->beginTransaction();
        try {
            Order::updateAll(['accept_status'=>OrderAcceptEnum::OVER],[
                'id'=>$order_id,
                'user_id'=>\Yii::$app->user->identity->getId(),
                'su_id'=>$post['service_id']
            ]);

            ImMessageSession::updateAll(
                ['status'=>10],
                ['id'=>$post['ims_id'],
                    'user_id'=>\Yii::$app->user->identity->getId(),
                    'service_id'=>$post['service_id']]);

            $t->commit();
        }catch (\Exception $e){
            $t->rollBack();
           throw $e;
        }

        return ['会话已结束'];
    }


}