/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T 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=========================================================
 */
package org.onap.aai.dmaap;

import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.util.Objects;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
import org.apache.log4j.MDC;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.aai.logging.LogFormatTools;
import org.onap.aai.logging.LoggingContext;
import org.onap.aai.logging.LoggingContext.LoggingField;
import org.onap.aai.logging.LoggingContext.StatusCode;
import org.springframework.core.env.Environment;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.web.client.RestTemplate;

public class AAIDmaapEventJMSConsumer implements MessageListener {

	private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(AAIDmaapEventJMSConsumer.class);

	private RestTemplate restTemplate;

	private HttpHeaders httpHeaders;

	private Environment environment;

	public AAIDmaapEventJMSConsumer(Environment environment, RestTemplate restTemplate, HttpHeaders httpHeaders) {
		Objects.nonNull(environment);
		Objects.nonNull(restTemplate);
		Objects.nonNull(httpHeaders);
		this.environment = environment;
		this.restTemplate = restTemplate;
		this.httpHeaders = httpHeaders;
	}

	@Override
	public void onMessage(Message message) {

	    if(restTemplate == null){
	    	return;
		}

		String jsmMessageTxt = "";
		String aaiEvent = "";
		String eventName = "";

		if (message instanceof TextMessage) {
			try {
				jsmMessageTxt = ((TextMessage) message).getText();
				JSONObject jo = new JSONObject(jsmMessageTxt);

				if (jo.has("aaiEventPayload")) {
					aaiEvent = jo.getJSONObject("aaiEventPayload").toString();
				} else {
					return;
				}
				if (jo.getString("transId") != null) {
					MDC.put("requestId", jo.getString("transId"));
				}
				if (jo.getString("fromAppId") != null) {
					MDC.put("partnerName", jo.getString("fromAppId"));
				}
				if (jo.getString("event-topic") != null) {
					eventName = jo.getString("event-topic");
				}

				MDC.put ("targetEntity", "DMAAP");
				if (jo.getString("event-topic") != null) {
					eventName = jo.getString("event-topic");
					MDC.put ("targetServiceName", eventName);
				}
				MDC.put ("serviceName", "AAI");
				MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.COMPLETE.toString());
				MDC.put(LoggingField.RESPONSE_CODE.toString(), "0");
				LOGGER.info(eventName + "|" + aaiEvent);
				HttpEntity httpEntity = new HttpEntity(aaiEvent, httpHeaders);

				String transportType = environment.getProperty("dmaap.ribbon.transportType", "http");
				String baseUrl  = transportType + "://" + environment.getProperty("dmaap.ribbon.listOfServers");
				String endpoint = "/events/" + eventName;

				if ("AAI-EVENT".equals(eventName)) {
                    restTemplate.exchange(baseUrl + endpoint, HttpMethod.POST, httpEntity, String.class);
				} else {
					LoggingContext.statusCode(StatusCode.ERROR);
					LOGGER.error(eventName + "|Event Topic invalid.");
				}
			} catch (JMSException | JSONException e) {
				MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.ERROR.toString());
				MDC.put(LoggingField.RESPONSE_CODE.toString(), "200");
				LOGGER.error("AAI_7350 Error parsing aaievent jsm message for sending to dmaap. {} {}", jsmMessageTxt, LogFormatTools.getStackTop(e));
			} catch (Exception e) {
				MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.ERROR.toString());
				MDC.put(LoggingField.RESPONSE_CODE.toString(), "200");
				LOGGER.error("AAI_7350 Error sending message to dmaap. {} {}" , jsmMessageTxt, LogFormatTools.getStackTop(e));
			}
		}

	}
}