/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * 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

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. 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

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * Contributor(s):

 *

 * Portions Copyrighted 2009 Jaroslav Tulach

 */

package cz.xelfi.quoridor.webidor;

import java.util.Comparator;

import java.util.Date;

import java.util.UUID;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlAttribute;

import javax.xml.bind.annotation.XmlID;

import javax.xml.bind.annotation.XmlRootElement;

/** Basic identification of a game.

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

@XmlRootElement

@XmlAccessorType(XmlAccessType.FIELD)

public class GameId {

    public static final Comparator<GameId> NEWEST_FIRST = new NewestFirst();

    @XmlAttribute

    private String white;

    @XmlAttribute

    private String black;

    @XmlAttribute

    private long started;

    @XmlAttribute

    private long modified;

    @XmlAttribute

    private GameStatus status;

    @XmlID @XmlAttribute

    private String id;

    @XmlAttribute

    private int comments;

    GameId() {

    }

    public GameId(String first, String second) {

        this(first, second, new Date());

    }

    private GameId(String first, String second, Date d) {

        this(

            UUID.randomUUID().toString(),

            first, second, d, d, GameStatus.whiteMove, 0

        );

    }

    public GameId(String id, String first, String second, Date started, Date last, GameStatus result, int comments) {

        this.white = first;

        this.black = second;

        this.id = id;

        this.started = started.getTime();

        this.modified = last.getTime();

        this.status = result;

        this.comments = comments;

    }

    public String getId() {

        return id;

    }

    public String getWhite() {

        return white;

    }

    public String getBlack() {

        return black;

    }

    public long getStarted() {

        return started;

    }

    public long getModified() {

        return modified;

    }

    public GameStatus getStatus() {

        return status;

    }

    public int getComments() {

        return comments;

    }

    private static final class NewestFirst implements Comparator<GameId> {

        public int compare(GameId o1, GameId o2) {

            if (o1 == o2) {

                return 0;

            }

            long diff = o2.getModified() - o1.getModified();

            if (diff != 0) {

                return diff < 0 ? -1 : 1;

            }

            return o1.getId().compareTo(o2.getId());

        }

    }

}