//USER SERVICE
function login(username, password) {
  const requestOptions = {
    method: "POST",
    headers: { "Content-Type": "application/x-www-form-urlencoded" },
    body:
      "username=" + username + "&password=" + password + "&grant_type=password"
  };

  return fetch(`${Config.apiUrl}/Token`, requestOptions)
    .then(handleLoginResponse)
    .then(user => {
      // login successful if there's a jwt token in the response
      if (user.access_token) {
        // store user details and jwt token in local storage to keep user logged in between page refreshes
        localStorage.setItem("user", JSON.stringify(user));
      }

      return user;
    })
    .catch(error => {
      return { error };
    });
}

//AUTH SAGA
export function* login(action) {
  const { username, password } = action.payload;
  const response = userService.login(username, password);
  console.log(response);
  if (response.error) {
    yield put({ type: actions.LOGIN_FAILURE, payload: response.error });
  } else {
    yield put(actions.loginUserSuccessful());
    yield delay(1000);
    // yield history.push("/");
  }
}

//AUTH ACTIONS
export function loginUserSuccessful() {
  return { type: LOGIN_SUCCESS };
}

//AUTH REDUCER
export function authentication(state = initialState, action) {
  const { payload } = action;

  switch (action.type) {
    case actions.LOGIN_SUCCESS:
      return {
        loggedIn: true,
        user: action.user
      };
    case actions.LOGIN_FAILURE:
      return state;
    case actions.USERS_LOGOUT:
      return state;
    case actions.LOGIN_TOGGLE_MODAL:
      const { isLoginModalOpen } = payload;
      return {
        ...state,
        isLoginModalOpen
      };
    default:
      return state;
  }
}