/**
 * ============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 authenticationService from '../services/authenticationService';

import { UpdateUser, UpdatePolicies } from '../actions/authentication';
import { Dispatch } from '../flux/store';
import { MiddlewareApi } from '../store/applicationStore';

function updatePoliciesMiddleware() {
  return ({ dispatch, getState }: MiddlewareApi) =>
    (next : Dispatch) : Dispatch =>
      action => {
        const { framework: { applicationState: { enablePolicy } } } = getState() || { framework: { applicationState: { } } };
        if (enablePolicy && action instanceof UpdateUser) {
          next(action);
          authenticationService.getAccessPolicies().then((policies) => dispatch(new UpdatePolicies(policies||undefined)));
          return action;
        }
        if (enablePolicy === false) next(new UpdatePolicies());
        return next(action);
      };
}

export const updatePolicies = updatePoliciesMiddleware();
export default updatePolicies;