/*

  * 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 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.XmlElementWrapper;

 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;

     @XmlElementWrapper(name="moves")

     @XmlElement(name="item")

     private List<CommentedMove> 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() {

         Player w = board.getWinner();

         if(w==null){

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

                 return id.getWhite();

             } else {

                 return id.getBlack();

             }

         }else{

             if (w == 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());

         }

         final GameStatus status = GameStatus.valueOf(board);

         id = new GameId(

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

             new Date(id.getStarted()), when, status,

             id.getComments(), !status.isInProgress());

         getMoves().add(new CommentedMove(m, getMoves().size() + 1));

     }

     public void comment(String player, String comment, Date date) {

         Note n = new Note(comment, date, player);

         id = new GameId(

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

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

             GameStatus.valueOf(board), id.getComments() + 1, id.isFinished()

         );

         getMoves().get(getMoves().size() - 1).addNote(n);

     }

     public List<CommentedMove> getMoves() {

         if (moves == null) {

             moves = new ArrayList<CommentedMove>();

         }

         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 (CommentedMove m : getMoves()) {

             if (move-- <= 0) {

                 break;

             }

             b = b.apply(m.getMove());

             cnt++;

         }

         Game g = new Game(

             new GameId(

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

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

                 GameStatus.history, id.getComments(), id.isFinished()

             )

         );

         g.board = b;

         g.move = cnt;

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

         return g;

     }

 /*

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

         @Override

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

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

             if (arr != null) {

                 for (CommentedMove v : arr) {

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

                 }

             }

             return res;

         }

         @Override

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

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

             if (arr != null) {

                 int index = 0;

                 for (Move m : arr) {

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

                 }

             }

             return res.toArray(new CommentedMove[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);

 //            return v == null ? null : new Board(v);

         }

         @Override

         public String marshal(Board v) throws Exception {

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

 //            return v == null ? null : Board.board2HashCode(v);

         }

     }

 }