///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { createFeatureSelector, createSelector, select, Store } from '@ngrx/store';

import { AppState } from '../core.state';
import { AuthState } from './auth.models';
import { take } from 'rxjs/operators';
import { AuthUser } from '@shared/models/user.model';

export const selectAuthState = createFeatureSelector<AppState, AuthState>(
  'auth'
);

export const selectAuth = createSelector(
  selectAuthState,
  (state: AuthState) => state
);

export const selectIsAuthenticated = createSelector(
  selectAuthState,
  (state: AuthState) => state.isAuthenticated
);

export const selectIsUserLoaded = createSelector(
  selectAuthState,
  (state: AuthState) => state.isUserLoaded
);

export const selectAuthUser = createSelector(
  selectAuthState,
  (state: AuthState) => state.authUser
);

export const selectUserDetails = createSelector(
  selectAuthState,
  (state: AuthState) => state.userDetails
);

export const selectUserTokenAccessEnabled = createSelector(
  selectAuthState,
  (state: AuthState) => state.userTokenAccessEnabled
);

export function getCurrentAuthState(store: Store<AppState>): AuthState {
  let state: AuthState;
  store.pipe(select(selectAuth), take(1)).subscribe(
    val => state = val
  );
  return state;
}

export function getCurrentAuthUser(store: Store<AppState>): AuthUser {
  let authUser: AuthUser;
  store.pipe(select(selectAuthUser), take(1)).subscribe(
    val => authUser = val
  );
  return authUser;
}