import {Controller, Get, Route, Response, Tags, Request, Security} from 'tsoa';
import {ApiError, ApiResponse} from '../types/api';
import type {Request as ExpressRequest} from 'express';
import axios from "axios";
import type {UserInfo} from "../types/user";

export const getGroupUsers = async (groupId: number, token: string): Promise<UserInfo[]> => {
  try {
    const response = await axios.post<ApiResponse<UserInfo[]>>(
      "https://egret.byteawake.com/api/group/members",
      {groupId},
      {
        headers: {
          Authorization: `Bearer ${token}`,
        },
        timeout: 10000, // 10 second timeout
      }
    );

    if (response.data.code !== 200) {
      throw new Error(`Failed to get group users: ${response.data.message}`);
    }

    return response.data.data ?? [];
  } catch (error: any) {
    if (error.response) {
      // API returned error response
      throw new Error(`Failed to get user information: ${error.response.status} ${error.response.statusText}`);
    } else if (error.request) {
      // Request was sent but no response received
      throw new Error("Failed to get user information: timeout or network error");
    } else {
      // Other errors
      throw new Error(`Failed to get user information: ${error.message}`);
    }
  }
};

@Route('api/group')
@Tags('Chat Group')
export class GroupController extends Controller {
  /**
   * 获取当前聊天群组的全部用户信息
   * @summary 获取当前聊天群组的全部用户信息
   * @description 获取当前聊天群组的全部用户信息
   */
  @Get('/members')
  @Security("jwt")
  @Response<ApiResponse<UserInfo[]>>(200, 'Success')
  @Response<ApiResponse<null>>(400, 'Bad Request')
  @Response<ApiResponse<null>>(401, 'Unauthorized')
  public async getGroupUsers(@Request() req: ExpressRequest): Promise<ApiResponse<UserInfo[]>> {
    const user = req.user;
    const groupId = req.headers.groupid;

    if (!groupId) {
      throw new ApiError(400, 'groupId is required in headers');
    }

    const users = await getGroupUsers(Number(groupId), user.token);

    return {
      code: 200,
      message: 'success',
      data: users,
    };
  }
}