import { TcService, TcDbService, TcContext } from 'tailchat-server-sdk';
import { generateRandomNumStr, isValidStr } from '../../../lib/utils';
import type { MeetingDocument, MeetingModel } from '../models/meeting';

/**
 * 任务管理服务
 */
interface MeetingService
  extends TcService,
    TcDbService<MeetingDocument, MeetingModel> {}
class MeetingService extends TcService {
  get serviceName() {
    return 'plugin:com.msgbyte.meeting';
  }

  get tailchatMeetingUrl() {
    return process.env.TAILCHAT_MEETING_URL;
  }

  onInit() {
    // this.registerLocalDb(require('../models/meeting').default);

    this.registerAvailableAction(() => Boolean(this.tailchatMeetingUrl));

    if (!isValidStr(this.tailchatMeetingUrl)) {
      return;
    }

    this.registerAction('url', this.url);
    this.registerAction('create', this.create);
    this.registerAction('getJoinMeetingInfo', this.getJoinMeetingInfo);
    this.registerAction(
      'inviteUserConverseJoinMeeting',
      this.inviteUserConverseJoinMeeting,
      {
        params: {
          meetingId: 'string',
          converseId: 'string',
        },
      }
    );
  }

  /**
   * 获取连接地址
   */
  url(ctx: TcContext) {
    return {
      tailchatMeetingUrl: this.tailchatMeetingUrl,
    };
  }

  /**
   * 创建房间
   *
   * TODO: 先手动返回一个随机生成的房间号
   */
  create(ctx: TcContext) {
    const roomId = generateRandomNumStr(9);
    return {
      roomId,
      url: `${this.tailchatMeetingUrl}/room/${roomId}`,
    };
  }

  /**
   * 获取加入会议的基本信息
   */
  getJoinMeetingInfo(ctx: TcContext) {
    const user = ctx.meta.user;

    return {
      signalingUrl: this.tailchatMeetingUrl.replace('https', 'wss'),
      userId: String(user._id),
      nickname: user.nickname,
      avatar: user.avatar,
    };
  }

  /**
   * 邀请多人会话加入会议
   */
  async inviteUserConverseJoinMeeting(
    ctx: TcContext<{
      meetingId: string;
      converseId: string;
    }>
  ) {
    const { meetingId, converseId } = ctx.params;
    const userId = ctx.meta.userId;

    await this.roomcastNotify(ctx, converseId, 'inviteJoinMeeting', {
      meetingId,
      fromId: userId,
    });
  }
}

export default MeetingService;