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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2019-2021 Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/main/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 */

package fish.payara.docker.node;

import org.glassfish.api.StartupRunLevel;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.api.event.EventListener;
import org.glassfish.api.event.EventTypes;
import org.glassfish.api.event.Events;
import org.glassfish.embeddable.CommandRunner;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.runlevel.RunLevel;
import org.glassfish.internal.api.Globals;
import org.jvnet.hk2.annotations.Service;

import jakarta.annotation.PostConstruct;
import jakarta.inject.Inject;

/**
 * Service that runs the _delete-temp-nodes command on server shutdown.
 *
 * @author AndrewPielage 
 */
@Service(name = "temp-node-cleanup-service")
@RunLevel(StartupRunLevel.VAL)
public class TempNodeShutdownCleanupService implements EventListener {

    @Inject
    private Events events;

    @Inject
    private ServerEnvironment serverEnvironment;

    @PostConstruct
    void postConstruct() {
        events.register(this);
    }

    @Override
    public void event(Event event) {
        if (event.is(EventTypes.PREPARE_SHUTDOWN) && serverEnvironment.isDas()) {
            ServiceLocator serviceLocator = Globals.getDefaultBaseServiceLocator();
            if (serviceLocator != null) {
                CommandRunner commandRunner = serviceLocator.getService(CommandRunner.class);
                if (commandRunner != null) {
                    commandRunner.run("_delete-temp-nodes");
                }
            }
        }
    }
}