/*******************************************************************************
 * Copyright (c) 2013 Pascal Hirmer.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and the Apache License 2.0 which both accompany this distribution,
 * and are available at http://www.eclipse.org/legal/epl-v10.html
 * and http://www.apache.org/licenses/LICENSE-2.0
 *
 * Contributors:
 *    Pascal Hirmer - initial API and implementation
 *******************************************************************************/

package org.eclipse.winery.topologymodeler.addons.topologycompleter.helper;

import javax.xml.namespace.QName;

import org.eclipse.winery.topologymodeler.addons.topologycompleter.topologycompletion.CompletionInterface;

/**
 * This class contains several constants used by the completion add-on.
 */
public class Constants {

	/**
	 * Constant for the QName of the "deferred" type.
	 */
	public static final QName DEFERRED_QNAME = new QName("http://www.opentosca.org", "deferred");

	/**
	 * Constant for the QName of the "PlaceHolder" type.
	 */
	public static final QName PLACE_HOLDER_QNAME = new QName("http://www.opentosca.org", "PlaceHolder");

	/**
	 * Contains possible types of expandable place holders.
	 */
	public enum PlaceHolders {
		WEBSERVER, DATABASE, OPERATINGSYSTEM, CLOUDPROVIDER;

		/**
		 * Overwritten toString() method to return formatted strings.
		 */
		public String toString() {

			switch (this) {
				case WEBSERVER:
					return "Webserver";
				case DATABASE:
					return "Database";
				case OPERATINGSYSTEM:
					return "OperatingSystem";
				case CLOUDPROVIDER:
					return "CloudProvider";
				default:
					return null;
			}
		}
	}

	/**
	 * The messages returned by the {@link CompletionInterface}
	 */
	public enum CompletionMessages {
		TOPOLOGYCOMPLETE, USERINTERACTION, STEPBYSTEP, SUCCESS, USERTOPOLOGYSELECTION, FAILURE;

		/**
		 * Overwritten toString() method to return formatted strings.
		 */
		public String toString() {

			switch (this) {
				case TOPOLOGYCOMPLETE:
					return "topologyComplete";
				case USERINTERACTION:
					return "userInteraction";
				case STEPBYSTEP:
					return "stepByStep";
				case SUCCESS:
					return "success";
				case USERTOPOLOGYSELECTION:
					return "userTopologySelection";
				case FAILURE:
					return "failure";
				default:
					return null;
			}
		}
	}
}