/*

  * Quoridor server and related libraries

  * Copyright (C) 2009-2010 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://www.gnu.org/licenses/.

  */

 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;

     @XmlAttribute

     private boolean finished;

     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, false

         );

     }

     public GameId(

         String id, String first, String second,

         Date started, Date last, GameStatus result,

         int comments, boolean finished

     ) {

         this.white = first;

         this.black = second;

         this.id = id;

         this.started = started.getTime();

         this.modified = last.getTime();

         this.status = result;

         this.comments = comments;

         this.finished = finished;

     }

     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;

     }

     public boolean isFinished() {

         return finished;

     }

     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());

         }

     }

 }