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/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 Amdocs
 * ================================================================================
 * 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=========================================================
 */
package org.onap.aai.sparky.personalization;

import javax.servlet.http.HttpServletRequest;

import org.apache.camel.Exchange;
import org.json.JSONObject;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.restclient.client.OperationResult;
import org.onap.aai.sparky.logging.AaiUiMsgs;
import org.onap.aai.sparky.logging.util.ServletUtils;
import org.onap.aai.sparky.personalization.config.PersonalizationConfig;

public class PersonalizationServiceProvider {

  private static final String EMPTY_RESPONSE = "{}";

  private static final Logger LOG =
      LoggerFactory.getInstance().getLogger(PersonalizationServiceProvider.class);

  PersonalizationConfig personalizationConfig;


  public PersonalizationServiceProvider(PersonalizationConfig personalizationConfig) {
    this.personalizationConfig = personalizationConfig;
  }


  public void getPersonalizedValues(Exchange exchange) {

    HttpServletRequest request = exchange.getIn().getBody(HttpServletRequest.class);
    ServletUtils.setUpMdcContext(exchange, request);

    OperationResult personalizedValuesResult = new OperationResult();

    try {
      personalizedValuesResult.setResultCode(200);
      JSONObject personalizedValuesResponse = new JSONObject();
      personalizedValuesResponse.put("topLeftHeader", personalizationConfig.getTopLeftHeader());
      personalizedValuesResponse.put("htmlDocumentTitle",
          personalizationConfig.getHtmlDocumentTitle());
      personalizedValuesResult.setResult(personalizedValuesResponse.toString());

    } catch (Exception exc) {
      personalizedValuesResult.setResultCode(500);
      personalizedValuesResult.setResult(EMPTY_RESPONSE);
      LOG.error(AaiUiMsgs.FAILURE_TO_PROCESS_REQUEST,
          "Exception thrown during personalization processing: " + exc.getLocalizedMessage());
    }

    exchange.getOut().setBody(personalizedValuesResult.getResult());


  }

}