/*-
 * ============LICENSE_START==========================================
 * ONAP Portal
 * ===================================================================
 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the “License”);
 * you may not use this software 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.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the “License”);
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * 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============================================
 *
 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 */
package org.openecomp.portalapp.uebhandler;

import java.util.concurrent.ConcurrentLinkedQueue;

import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.openecomp.portalsdk.core.onboarding.ueb.UebManager;
import org.openecomp.portalsdk.core.onboarding.ueb.UebMsg;
import org.openecomp.portalsdk.core.onboarding.util.PortalApiConstants;
import org.openecomp.portalsdk.core.onboarding.util.PortalApiProperties;

//
// 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 {
	private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(InitUebHandler.class);

	// @Autowired
	private 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, "initUeb failed", e);
			logger.info(EELFLoggerDelegate.errorLogger,
					"Not starting UEB listening thread because property could not be read "
							+ PortalApiConstants.UEB_LISTENERS_ENABLE + e.getMessage());
		}
	}
}