/*-
 * ================================================================================
 * eCOMP Portal
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property
 * ================================================================================
 * 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.
 * ================================================================================
 */
package org.openecomp.portalapp.uebhandler;

import java.util.concurrent.ConcurrentLinkedQueue;

import javax.annotation.PostConstruct;

import org.openecomp.portalapp.portal.logging.aop.EPMetricsLog;
import org.openecomp.portalapp.portal.utils.EcompPortalUtils;
import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.openecomp.portalsdk.core.onboarding.crossapi.PortalApiConstants;
import org.openecomp.portalsdk.core.onboarding.crossapi.PortalApiProperties;
import org.openecomp.portalsdk.core.onboarding.ueb.UebManager;
import org.openecomp.portalsdk.core.onboarding.ueb.UebMsg;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;

//
// Adding this class for the sole purpose of insuring that the MainUebHandler really 
// honors @Async and kicks off a thread.  For more info google @Async and read about
// @Async only working if called from different class.
//
//@Configuration
//@EnableAspectJAutoProxy
//@EPMetricsLog
public class InitUebHandler {
	EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(InitUebHandler.class);
	
	//@Autowired
	MainUebHandler mainUebHandler;
	
	public InitUebHandler()	{
	
	}
	
	//@PostConstruct
	public void initUeb()	{
		
		try {
			String enableListenerThread = PortalApiProperties.getProperty(PortalApiConstants.UEB_LISTENERS_ENABLE);
			if (enableListenerThread.equalsIgnoreCase("true")) {
                ConcurrentLinkedQueue<UebMsg> inboxQueue = new ConcurrentLinkedQueue<UebMsg>();
	    	    UebManager.getInstance().initListener(inboxQueue);
  		        mainUebHandler.runHandler(inboxQueue);
	    	    logger.info(EELFLoggerDelegate.errorLogger, "Returned from initiating mainUebHandler...");
  	        }
		    else {
		    	logger.info(EELFLoggerDelegate.errorLogger, "Not starting UEB listening thread because ueb_listeners_enable is not set to true in the properties file.");
		    }
		}
		catch (Exception e) {
			logger.error(EELFLoggerDelegate.errorLogger, EcompPortalUtils.getStackTrace(e));
			logger.info(EELFLoggerDelegate.errorLogger, "Not starting UEB listening thread because property could not be read " + PortalApiConstants.UEB_LISTENERS_ENABLE + e.getMessage());
		}
	}
}