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/*******************************************************************************
 * Copyright (c) 2012 Wind River Systems, Inc. and others. All rights reserved.
 * This program and the accompanying materials are made available under the terms
 * of the Eclipse Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Wind River Systems - initial API and implementation
 *******************************************************************************/

package org.eclipse.tcf.te.tcf.launch.core.internal;

import java.util.EventObject;
import java.util.Map;

import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.tcf.protocol.IPeer;
import org.eclipse.tcf.te.launch.core.lm.LaunchConfigHelper;
import org.eclipse.tcf.te.launch.core.lm.interfaces.ICommonLaunchAttributes;
import org.eclipse.tcf.te.launch.core.lm.interfaces.ILaunchContextLaunchAttributes;
import org.eclipse.tcf.te.launch.core.persistence.launchcontext.LaunchContextsPersistenceDelegate;
import org.eclipse.tcf.te.runtime.events.ChangeEvent;
import org.eclipse.tcf.te.runtime.interfaces.events.IEventListener;
import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;
import org.eclipse.tcf.te.runtime.persistence.PersistenceManager;
import org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistenceDelegate;
import org.eclipse.tcf.te.tcf.launch.core.interfaces.ILaunchTypes;
import org.eclipse.tcf.te.tcf.launch.core.interfaces.IPeerModelProperties;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;

/**
 * EventListenerDelegate
 */
public class EventListenerDelegate implements IEventListener {

	/**
	 * Constructor.
	 */
	public EventListenerDelegate() {
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.runtime.interfaces.events.IEventListener#eventFired(java.util.EventObject)
	 */
	@Override
	public void eventFired(EventObject event) {
		if (event instanceof ChangeEvent && event.getSource() instanceof IPeer) {
			IPeer peer = (IPeer)event.getSource();
			String launchConfigAttributes = peer.getAttributes().get(IPeerModelProperties.PROP_LAUNCH_CONFIG_ATTRIBUTES);
			try {
				for (ILaunchConfiguration config : DebugPlugin.getDefault().getLaunchManager().getLaunchConfigurations(DebugPlugin.getDefault().getLaunchManager().getLaunchConfigurationType(ILaunchTypes.ATTACH))) {
					IModelNode[] contexts = LaunchContextsPersistenceDelegate.getLaunchContexts(config);
					if (contexts != null && contexts.length == 1 && contexts[0] instanceof IPeerModel && ((IPeerModel)contexts[0]).getPeerId().equalsIgnoreCase(peer.getID())) {
						IPersistenceDelegate delegate = PersistenceManager.getInstance().getDelegate(Map.class, launchConfigAttributes, false);
						try {
							Map<String, String> attributes = (Map<String,String>)delegate.read(Map.class, launchConfigAttributes, null);
							attributes.remove(ILaunchContextLaunchAttributes.ATTR_LAUNCH_CONTEXTS);
							attributes.remove(ICommonLaunchAttributes.ATTR_UUID);
							attributes.remove(ICommonLaunchAttributes.ATTR_LAST_LAUNCHED);
							ILaunchConfigurationWorkingCopy wc = config.getWorkingCopy();
							for (String key : attributes.keySet()) {
								LaunchConfigHelper.addLaunchConfigAttribute(wc, key, attributes.get(key));
							}
							wc.doSave();
						}
						catch (Exception e) {
						}

					}
				}
			}
			catch (Exception e) {
			}
		}
	}
}

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