import java.awt.Button;      // We extend this class
import java.awt.Color;       // So we can show different colors
import java.awt.Dimension;   // So we can tell the frame about preferred
                             // width and height
import java.awt.Frame;       // For building a test frame
import java.awt.GridLayout;  // The board will be a grid
import java.awt.Graphics;    // When to paint
import java.awt.Rectangle;   // Where to paint (returned by getBounds)

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import OthelloRules;

/**
 * A simple test of drawing on buttons.  You need to hit control-C to
 * quit.
 *
 * @author Samuel A. Rebelsky
 * @version 1.0 of March 2000
 */
public class PieceButton
  extends Button
  implements ActionListener
{
  // +--------+--------------------------------------------------
  // | Fields |
  // +--------+

  /** The color of this object. */
  protected Color color;

    /** The type of rules */
    protected OthelloRules gamerules;


    /** The x-coordinate of the piece */
    protected int xcor;

    /** the y-coordinate of the piece */
    protected int ycor;


  // +--------------+--------------------------------------------
  // | Constructors |
  // +--------------+

  /**
   * Create a new button with a specific color piece.
   */
  public PieceButton(OthelloRules rulethisbiznitch,int x,int y) {
      this.gamerules = rulethisbiznitch;
      this.xcor = x;
      this.ycor = y;
    this.addActionListener(this);
  } // PieceButton(Color)

  // +--------------------------+--------------------------------
  // | Overriden Button Methods |
  // +--------------------------+

  public void paint(Graphics paintBrush) {
      if (!(this.color == null)) {
    Rectangle bounds = this.getBounds();
    paintBrush.setColor(this.color);
    paintBrush.fillOval(0, 0, bounds.width-3, bounds.height-3);
    paintBrush.setColor(this.color);
    paintBrush.fillOval(2, 2, bounds.width-3, bounds.height-3);
      }
  } // paint(Graphics)

  public Dimension getPreferredSize() {
    return new Dimension(20,20);
  } // getPreferredSize()


    // +----------------+------------------------------------------
    // | Helpers|
    // +----------------+

    protected boolean nullColor() {
        return (this.color == null);
    } //nullColor


  // +----------------+------------------------------------------
  // | Event Handlers |
  // +----------------+

  public void actionPerformed(ActionEvent e) {

      if (gamerules.legalMove(gamerules.getPlayer(),xcor,ycor)) {
      if (this.nullColor()) {
          if (gamerules.getPlayer() == 1) {
              this.color = Color.black; 
          } //if
          else {
              if (gamerules.getPlayer() == 2) {
                  this.color = Color.white; 
              } //if
              else {
                  if (gamerules.getPlayer() == 3) {
                      this.color = Color.red; 
                  } //if
                  else {
                      if (gamerules.getPlayer() == 4) {
                          this.color = Color.blue; 
                      } //if
                  }//else
              }//else
          }//else
      }//if
      }//if
    this.repaint();
    // tell rules/board that new piece exists and that will report 
    // back what corrollary pieces are to be flipped!!!
  }

  // +---------+-------------------------------------------------
  // | Helpers |
  // +---------+

  /**
   * 
   */
  public void flip(Color c) {
       this.color = c;
       this.repaint();
  } // oppositeColor(Color)

} // PieceButton