<?php

namespace app\api\controller\live;

use app\common\controller\Api;

/**
 * 直播消息
 */
class Message extends Api
{
    // 无需登录的接口,*表示全部
    protected $noNeedLogin = [];
    protected $noNeedRight = '*';


    protected $modal;

    public function _initialize()
    {
        parent::_initialize();
        $this->modal = new \app\api\model\live\Message;
    }

    /**
     * 发送消息
     * @return void
     */
    public function send(){
        $content = input('message');
        $type = input('type','text');
        $courseId = input('course_id');

        //判断消息服务是否已开启
        if(!\app\common\library\live\message\Manager::isMessageEnabled()){
            $this->error("暂未开启消息服务");
        }

        //判断是否已订阅
        if(!\app\common\model\user\Subscription::getSubscriptionAuth($this->auth->id,$courseId)){
            $this->error("暂未订阅该课程");
        }

        if(empty($content)){
            $this->error("请完善消息后在再发送");
        }

        if(mb_strlen($content) > 255){
            $this->error("消息过长,请重新编辑后发送");
        }

        $roomData = (new \app\common\model\live\Room)->courseGetRoom($courseId);

        if(!$roomData){
            $this->error(__('获取课程信息异常'));
        }

        //判断禁用词
        if($roomData['config']['ban_words']){
            $banWords = explode(";",$roomData['config']['ban_words']);
            if($banWords && \app\common\model\live\Message::check($content,$banWords)!==true){
                $this->error("消息包含敏感内容,请重新编辑");
            }
        }

        if(isset($roomData['config']['bantalk']) && $roomData['config']['bantalk'] == 1){
            $this->error("全员禁言中");
        }

        $userInfo = (new \app\admin\model\live\User)->joinLive($this->auth->id,$courseId);

        if($userInfo['black']){
            return $this->error("你已被管理员拉黑，无法发送消息");
        }

        if($userInfo['bantalk']){
            return $this->error("您已被管理员禁言,无法发送消息");
        }

        $status = 1;
        //判断是否需要审核
        if($roomData['config']['comment_audit']){
            $status = 0;
        }

        \app\common\model\live\Message::sendMessage($this->auth->id,$courseId,$roomData['message_topic'],$type,$content,$status);

        if($roomData['config']['comment_audit']){
            $this->error("消息将在审核通过后展示");
        }

        $this->success("操作成功");
    }


    /**
     * 获取消息列表 历史消息
     * @return void
     */
    public function getMessageList(){
        $courseId = input('course_id');

        //判断是否已订阅
        if(!\app\common\model\user\Subscription::getSubscriptionAuth($this->auth->id,$courseId)){
            $this->error("暂未订阅该课程");
        }

        $limit = input('limit',10);
        $page = input('page',1);


        $data = (new \app\common\model\live\Message)->getMessageList($courseId,(($page - 1) * $limit),$limit);

        if($data){
            foreach ($data as &$item){
                $item['is_my'] = $item['user_id'] == $this->auth->id;
            }
        }

        $this->success("获取成功",$data);
    }


    /**
     * 获取阿里云互动消息鉴权信息
     * 客户端进入阿里云直播间时调用，返回 SDK 登录所需的 appId/appSign/token 等
     * @return void
     */
    public function getAliyunAuth(){
        $courseId = input('course_id');

        if(!$courseId){
            $this->error("参数错误");
        }

        //判断消息服务是否已开启
        if(!\app\common\library\live\message\Manager::isMessageEnabled()){
            $this->error("暂未开启消息服务");
        }

        //判断是否已订阅
        if(!\app\common\model\user\Subscription::getSubscriptionAuth($this->auth->id,$courseId)){
            $this->error("暂未订阅该课程");
        }

        $roomData = (new \app\common\model\live\Room)->courseGetRoom($courseId);
        if(!$roomData){
            $this->error("获取直播间信息异常");
        }

        $provider = \app\common\library\live\message\Manager::getGlobalProviderName();

        if($provider !== 'aliyun'){
            $this->error("当前直播间未使用阿里云消息服务");
        }

        // 幂等补建阿里云互动消息群组，兼容历史直播间（创建时未建群或群已被删除）
        $courseTitle = \app\admin\model\course\Course::where(['id' => $courseId])->value('name');
        \app\common\library\live\message\Manager::ensureAliyunGroup($roomData['message_topic'], $courseTitle ?: '');

        // 普通用户角色为空；如传入 admin 则需校验管理员身份
        $role = input('role', '');
        $role = ($role === 'admin') ? 'admin' : '';

        $result = \app\common\library\live\message\Manager::provider('aliyun')->getLoginAuth($this->auth->id, $role);

        if(!$result->isSuccess()){
            $this->error($result->error ? $result->error : "获取鉴权信息失败");
        }

        $authData = $result->data;
        // 附带群组ID，便于客户端直接加入群组
        $authData['group_id'] = $roomData['message_topic'];

        $this->success("获取成功", $authData);
    }
}