import { currentBackend } from '../backends/backend';

export const AUTH_REQUEST = 'AUTH_REQUEST';
export const AUTH_SUCCESS = 'AUTH_SUCCESS';
export const AUTH_FAILURE = 'AUTH_FAILURE';

export function authenticating() {
  return {
    type: AUTH_REQUEST
  };
}

export function authenticate(userData) {
  return {
    type: AUTH_SUCCESS,
    payload: userData
  };
}

export function authError(error) {
  return {
    type: AUTH_FAILURE,
    error: 'Failed to authenticate',
    payload: error,
  };
}

export function loginUser(credentials) {
  return (dispatch, getState) => {
    const state = getState();
    const backend = currentBackend(state.config);

    dispatch(authenticating());
    backend.authenticate(credentials)
      .then((user) => dispatch(authenticate(user)))
      //.catch((err) => dispatch(authError(err)));
  };
}