/*

 * 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());

        }

    }

}