/*******************************************************************************
 * Copyright (c) 2014 Zend Technologies Ltd. 
 * 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  
 *******************************************************************************/
package org.zend.php.server.internal.ui.startup;

import org.eclipse.php.internal.server.core.Server;
import org.eclipse.php.internal.server.core.manager.ServersManager;
import org.zend.php.server.core.utils.ServerUtils;
import org.zend.php.server.ui.migration.AbstractMigrationService;
import org.zend.php.server.ui.types.LocalApacheType;
import org.zend.php.server.ui.types.ZendServerType;
import org.zend.php.zendserver.deployment.core.targets.ZendServerManager;
import org.zend.sdklib.manager.TargetsManager;
import org.zend.sdklib.target.IZendTarget;

/**
 * {@link AbstractMigrationService} implementation which is responsible for
 * migrating old PHP servers which do not have server type defined. It checks
 * following types:
 * <ul>
 * <li>Zend Server</li>
 * <li>Local Apache HTTP Server</li>
 * </ul>
 * 
 * @author Wojciech Galanciak, 2014
 * 
 */
@SuppressWarnings("restriction")
public class ServersMigrationStartup extends AbstractMigrationService {

	@Override
	protected boolean migrate(Server server) {
		if (isEmptyServer(server)) {
			ServersManager.removeServer(server.getName());
			return true;
		}
		String typeId = getServerType(server);
		if (typeId == null) {
			if (isZendServer(server)) {
				typeId = ZendServerType.ID;
				return true;
			} else if (isLocalApache(server)) {
				typeId = LocalApacheType.ID;
			}
			if (typeId != null) {
				setType(server, typeId);
				return true;
			}
		}
		return false;
	}

	private boolean isLocalApache(Server server) {
		// TODO how we can check that?
		return false;
	}

	private boolean isZendServer(Server server) {
		IZendTarget target = ServerUtils.getTarget(server);
		if (target != null) {
			return !TargetsManager.isLocalhost(target);
		}
		String enabled = server
				.getAttribute(ZendServerManager.ZENDSERVER_ENABLED_KEY,
						String.valueOf(false));
		return Boolean.valueOf(enabled);
	}
	
	private boolean isEmptyServer(Server server) {
		if (Boolean.valueOf(server.getAttribute(EMPTY_SERVER_ATTRIBUTE, String.valueOf(false)))) {
			return true;
		}
		return false;
	}

}