//rpc file
message LoginRequest {
  string userName = 1;
  string password = 2;
}

message LoginResponse {
  string userName = 1;
  string password = 2;
}

rpc login(LoginRequest) returns (LoginResponse) {
   option (error) = "Error";
}

//rpc request file
import {
    LoginReq,
    LoginResp,
} from './LoginServiceObjs';
import { generateUrl, errorHandling } from './helper';
import promisify from "../utils/util"

const wxPromisify = promisify(wx)
const wxRequest = wxPromisify('request')

export function SetBaseUrl(url: string) {
  baseUrl = url;
}

var authToken = "token";

export function SetAuthToken(token: string) {
  authToken = token;
}

export function Login(params:LoginReq): Promise<LoginResp|never> {
  let url: string = generateUrl(baseUrl, "LoginService", "Login");
  return wxRequest({ url: url,
    data: params, method:'POST', header:{'Authorization': 'token ' + authToken}}).then(res => {
    if (typeof res.data === 'object') {
      try {
        return Promise.resolve(res.data as LoginResp)
      } catch (e) {
        return Promise.reject(res.data);
      }
    }
    return Promise.reject(res.data);
  }).catch(err => {
    // handle error response
    return errorHandling(err)
  });
}
}


//promisify file
/**
 * fn {function} API service
 */

const promisify = (wx) => {
  return (method) => {
    return (option) => {
      return new Promise ((resolve,reject) => {
        wx[method]({
          ...option,
          success:(res) => { resolve(res) },
          fail: (err) => {reject(err)}
        })
      })
    }
  }
}

export default promisify