/*

  * 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 cz.xelfi.quoridor.Board;

 import cz.xelfi.quoridor.IllegalPositionException;

 import cz.xelfi.quoridor.Move;

 import cz.xelfi.quoridor.Player;

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.List;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAttribute;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.adapters.XmlAdapter;

 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

 /**

  *

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

  */

 @XmlRootElement

 @XmlAccessorType(XmlAccessType.FIELD)

 public final class Game extends Object {

     @XmlElement

     private GameId id;

     @XmlElement

     @XmlJavaTypeAdapter(BoardAdapter.class)

     private Board board;

     @XmlElement

     @XmlJavaTypeAdapter(MoveAdapter.class)

     private List<Move> moves;

     private Integer move;

     Game() {

     }

     public Game(String first, String second) {

         this.id = new GameId(first, second);

         this.board = Board.empty();

     }

     public Game(GameId id) {

         this.id = id;

         this.board = Board.empty();

     }

     public GameId getId() {

         return id;

     }

     public Board getBoard() {

         return board;

     }

     @XmlAttribute

     final String getCurrentPlayer() {

         if (board.getCurrentPlayer() == board.getPlayers().get(0)) {

             return id.getWhite();

         } else {

             return id.getBlack();

         }

     }

     public void apply(String player, Move m, Date when) throws IllegalPositionException {

         Player p = null;

         if (id.getWhite().equals(player)) {

             p = getBoard().getPlayers().get(0);

         } else {

             if (id.getBlack().equals(player)) {

                 p = getBoard().getPlayers().get(1);

             }

         }

         if (p != getBoard().getCurrentPlayer()) {

             throw new IllegalArgumentException("Wrong player: " + player);

         }

         board = getBoard().apply(m);

         if (when == null) {

             when = new Date(id.getModified());

         }

         id = new GameId(id.getId(), id.getWhite(), id.getBlack(), new Date(id.getStarted()), when, GameStatus.valueOf(board));

         getMoves().add(m);

     }

     public List<Move> getMoves() {

         if (moves == null) {

             moves = new ArrayList<Move>();

         }

         return moves;

     }

     @XmlAttribute

     public int getCurrentMove() {

         return move == null ? getMoves().size() : move;

     }

     public Game snapshot(int move) throws IllegalPositionException {

         Board b = Board.empty();

         int cnt = 0;

         for (Move m : getMoves()) {

             if (move-- <= 0) {

                 break;

             }

             b = b.apply(m);

             cnt++;

         }

         Game g = new Game(

             new GameId(

                 id.getId(), id.getWhite(), id.getBlack(),

                 new Date(id.getStarted()), new Date(id.getModified()),

                 GameStatus.history

             )

         );

         g.board = b;

         g.move = cnt;

         g.moves = new ArrayList<Move>(getMoves());

         return g;

     }

     @XmlAccessorType(XmlAccessType.FIELD)

     private static final class MoveTmp {

         @XmlAttribute

         String move;

         @XmlAttribute

         int index;

         private MoveTmp() {

         }

         public MoveTmp(String move, int index) {

             this.move = move;

             this.index = index;

         }

     }

     private static final class MoveAdapter extends XmlAdapter<MoveTmp[],List<Move>> {

         @Override

         public List<Move> unmarshal(MoveTmp[] arr) throws Exception {

             List<Move> res = new ArrayList<Move>();

             if (arr != null) {

                 for (MoveTmp v : arr) {

                     res.add(Move.valueOf(v.move));

                 }

             }

             return res;

         }

         @Override

         public MoveTmp[] marshal(List<Move> arr) throws Exception {

             List<MoveTmp> res = new ArrayList<MoveTmp>();

             if (arr != null) {

                 int index = 0;

                 for (Move m : arr) {

                     res.add(new MoveTmp(m.toString(), ++index));

                 }

             }

             return res.toArray(new MoveTmp[0]);

         }

     } // end of MoveAdapter

     private static final class BoardAdapter extends XmlAdapter<String,Board> {

         @Override

         public Board unmarshal(String v) throws Exception {

             return v == null ? null : Board.valueOf(v);

         }

         @Override

         public String marshal(Board v) throws Exception {

             return v == null ? null : v.toString();

         }

     }

 }