import querystring from 'node:querystring';
import { API_HOST } from '../constants';
import { axiosWithRetry } from './axiosWithRetry';

interface VkApiError {
  error: {
    error_code: number;
    error_msg: string;
  };
}

interface FetchTunnelDataResponse {
  response: {
    tunnel_url: string;
    token: string;
    host: string;
    url: string;
  };
}

interface FetchTunnelDataRequest {
  access_token: string;
  version: number;
  v: string;
  app_id?: number;
  staging?: boolean;
  endpoints?: string[];
}

export async function fetchTunnelData({
  access_token,
  version,
  v,
  app_id,
  staging,
  endpoints,
}: FetchTunnelDataRequest) {
  const params: Record<string, string | number | boolean> = {
    access_token,
    version,
    v,
  };

  if (app_id) params['app_id'] = app_id;
  if (staging) params['staging'] = staging;
  if (endpoints) params['endpoints'] = endpoints.join(',');

  const tunnelData = await axiosWithRetry({
    url: `${API_HOST}apps.getTunnelToken?${querystring.stringify(params)}`,
    options: {},
    onError: (error) => console.error('An error occurred when requesting tunnel settings:', error),
  });

  return tunnelData.data as FetchTunnelDataResponse | VkApiError;
}