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/**
 * ============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 { Dispatch } from '../flux/store';
import { MiddlewareApi } from '../store/applicationStore';

const LogLevel = +(localStorage.getItem('log.odlux.framework.middleware.logger') || 0);

function createLoggerMiddleware() {
  return function logger({ getState }: MiddlewareApi) {
    return (next: Dispatch): Dispatch => action => {
      if (LogLevel > 2) console.log('will dispatch', action);
      const returnValue = next(action);
      if (LogLevel > 2) console.log('state after dispatch', getState());
      return returnValue;
    };
  };
}

export const logger = createLoggerMiddleware();
export default logger;