/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */

/**
 * This is the file that people using React Native will actually import. You
 * should only include this file if you have something specific about your
 * implementation that mandates having a separate entrypoint. Otherwise you can
 * just use index.ts
 */

import { AsyncStorage } from 'react-native';

import { FirebaseApp, _getProvider } from '@firebase/app-exp';
import { Auth } from './src/model/public_types';

import { initializeAuth } from './src';
import { registerAuth } from './src/core/auth/register';
import { ClientPlatform } from './src/core/util/version';
import { getReactNativePersistence } from './src/platform_react_native/persistence/react_native';

// Core functionality shared by all clients
export * from './src';

export const reactNativeLocalPersistence = getReactNativePersistence(
  AsyncStorage
);

export function getAuth(app: FirebaseApp): Auth {
  const provider = _getProvider(app, 'auth-exp');

  if (provider.isInitialized()) {
    return provider.getImmediate();
  }

  return initializeAuth(app, {
    persistence: reactNativeLocalPersistence
  });
}

registerAuth(ClientPlatform.REACT_NATIVE);