/*

  * 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.visidor;

 import cz.xelfi.quoridor.Board;

 import cz.xelfi.quoridor.Fence;

 import cz.xelfi.quoridor.Fence.Orientation;

 import cz.xelfi.quoridor.IllegalPositionException;

 import cz.xelfi.quoridor.Move;

 import cz.xelfi.quoridor.Player;

 import java.awt.Color;

 import java.awt.Font;

 import java.awt.Graphics;

 import java.awt.Graphics2D;

 import java.awt.Rectangle;

 import javax.swing.JFrame;

 import javax.swing.JPanel;

 /**

  *

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

  */

 final class Viewer extends JPanel {

     private Board board;

     public Viewer() {

         this(Board.empty());

     }

     private Viewer(Board b) {

         this.board = b;

     }

     /**

      * @param args the command line arguments

      */

     public static void main(String[] args) throws IllegalPositionException {

         Board b = Board.empty();

         for (int i = 1; i <= 8; i++) {

             b = b.apply(Move.fence('A', i, Orientation.values()[i % 2]));

         }

         for (int i = 1; i <= 8; i++) {

             b = b.apply(Move.fence('H', i, Orientation.values()[(i + 1) % 2]));

         }

         JFrame f = new JFrame();

         f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

         f.add(new Viewer(b));

         f.pack();

         f.setVisible(true);

     }

     @Override

     protected void paintComponent(Graphics gg) {

         int fieldSize = Math.min(getSize().width, getSize().height) / 9;

         int fifth = fieldSize / 10;

         Graphics2D g = (Graphics2D) gg;

         int xdelta = getSize().width - fieldSize * 9;

         int ydelta = getSize().height - fieldSize * 9;

         g.translate(xdelta / 2, ydelta / 2);

         g.setColor(Color.lightGray);

         for (int i = 0; i < 9; i++) {

             for (int j = 0; j < 9; j++) {

                 final Rectangle r = new Rectangle(i * fieldSize, j * fieldSize, fieldSize, fieldSize);

                 g.fillRect(r.x + fifth, r.y + fifth, r.width - fifth * 2, r.height - fifth * 2);

             }

         }

         g.setColor(Color.BLACK);

         for (Fence f : board.getFences()) {

             int w, h;

             switch (f.getOrientation()) {

                 case HORIZONTAL: w = fieldSize - fifth; h = fifth; break;

                 case VERTICAL: w = fifth; h = fieldSize - fifth; break;

                 default: throw new IllegalStateException();

             }

             int column = (f.getColumn() - 'A') + 1;

             int row = 9 - f.getRow();

             Rectangle r = new Rectangle(

                 column * fieldSize - w,

                 row * fieldSize - h,

                 2 * w,

                 2 * h

             );

             g.fill(r);

         }

         int cnt = 0;

         Color[] colors = { Color.WHITE, Color.BLACK, Color.ORANGE, Color.MAGENTA };

         int diametr = fieldSize - fifth * 4;

         for (Player p : board.getPlayers()) {

             int column = p.getColumn();

             int row = 8 - p.getRow();

             final Rectangle r = new Rectangle(

                 column * fieldSize + 2 * fifth,

                 row * fieldSize + 2 * fifth,

                 diametr,

                 diametr

             );

             g.setColor(colors[cnt]);

             g.fillOval(r.x, r.y, r.width, r.height);

             if (p == board.getCurrentPlayer()) {

                 g.setColor(Color.lightGray);

                 g.fillOval(r.x + r.width / 3, r.y + r.height / 3, r.width / 3, r.height / 3);

             }

             cnt++;

         }

         g.setColor(Color.BLACK);

         final Font f = new Font("Monospace", Font.BOLD, fifth * 2);

         g.setFont(f);

         for (int i = 0; i < 8; i++) {

             final char ch = (char) ('A' + i);

             g.drawString(Character.toString(ch), i * fieldSize + fieldSize - fifth, fifth + f.getSize() - f.getBaselineFor(ch));

         }

         for (int i = 0; i < 8; i++) {

             String s = "" + (8 - i);

             g.drawString(s, fifth, i * fieldSize + fieldSize - fifth + f.getSize() - f.getBaselineFor(s.charAt(0)));

         }

     }

 }