/**
 * ============LICENSE_START========================================================================
 * ONAP : ccsdk feature sdnr wt odlux
 * =================================================================================================
 * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
 * =================================================================================================
 * 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.
 * ============LICENSE_END==========================================================================
 */
import { IActionHandler } from '../flux/action';
import { UpdatePolicies, UpdateUser } from '../actions/authentication';

import { AuthPolicy, User } from '../models/authentication';

import { onLogin, onLogout } from '../services/applicationApi';
import { startWebsocketSession, endWebsocketSession } from '../services/notificationService';
import { startUserSession, endUserSession } from '../services/userSessionService';
import { getSettings } from '../services/settingsService';

export interface IAuthenticationState {
  user?: User;
  policies?: AuthPolicy[];
}

const authenticationStateInit: IAuthenticationState = {
  user: undefined
};

export const authenticationStateHandler: IActionHandler<IAuthenticationState> = (state = authenticationStateInit, action) => {
  if (action instanceof UpdateUser) {
    const {user} = action;
    
    if (user) {
      localStorage.setItem("userToken", user.toString());
      startUserSession(user);
      onLogin();
    } else {
      localStorage.removeItem("userToken");
      endUserSession();
      onLogout();
    }

    state = {
      ...state,
      user,
    };
  } else if (action instanceof UpdatePolicies) {
     state = {
       ...state,
       policies: action.authPolicies,
     };
  }
  return state;
};