import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class ChessBoard extends JPanel {

	//implements MouseListener, MouseMotionListener
	private int activeButton;
	private ImageIcon player;
	JButton grid[][] = new JButton[8][8];
	JButton square;

	public ChessBoard(){

		//black pieces
		ImageIcon blackCastle = new ImageIcon("Images/BlackCastle.jpg");
		Image bc = blackCastle.getImage();
		Image bcimg = bc.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon bcIcon = new ImageIcon(bcimg);

		ImageIcon blackBishop = new ImageIcon("Images/BlackBishop.jpg");
		Image bb = blackBishop.getImage();
		Image bbimg = bb.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon bbIcon = new ImageIcon(bbimg);

		ImageIcon blackKing = new ImageIcon("Images/BlackKing.jpg");
		Image bK = blackKing.getImage();
		Image bKimg = bK.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon bKIcon = new ImageIcon(bKimg);

		ImageIcon blackPawn = new ImageIcon("Images/BlackPond.jpeg");
		Image bp = blackPawn.getImage();
		Image bpimg = bp.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon bpIcon = new ImageIcon(bpimg);

		ImageIcon blackQueen = new ImageIcon("Images/BlackQueen.jpg");
		Image bq = blackQueen.getImage();
		Image bqimg = bq.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon bqIcon = new ImageIcon(bqimg);

		ImageIcon BlackKnite = new ImageIcon("Images/BlackKnight.jpg");
		Image bk = BlackKnite.getImage();
		Image bkimg = bk.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon bkIcon = new ImageIcon(bkimg);

		//white pieces
		ImageIcon whiteCastle = new ImageIcon("Images/WhiteCastle.jpg");
		Image wc = whiteCastle.getImage();
		Image wcimg = wc.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon wcIcon = new ImageIcon(wcimg);

		ImageIcon whiteBishop = new ImageIcon("Images/WhiteBishop.jpg");
		Image wb = whiteBishop.getImage();
		Image wbimg = wb.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon wbIcon = new ImageIcon(wbimg);

		ImageIcon whiteKing = new ImageIcon("Images/WhiteKing.jpg");
		Image wK = whiteKing.getImage();
		Image wKimg = wK.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon wKIcon = new ImageIcon(wKimg);

		ImageIcon whitePawn = new ImageIcon("Images/WhitePawn.jpg");
		Image wp = whitePawn.getImage();
		Image wpimg = wp.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon wpIcon = new ImageIcon(wpimg);

		ImageIcon whiteQueen = new ImageIcon("Images/WhiteQueen.jpg");
		Image wq = whiteQueen.getImage();
		Image wqimg = wq.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon wqIcon = new ImageIcon(wqimg);

		ImageIcon whiteKnite = new ImageIcon("Images/WhiteKnight.jpg");
		Image wk = whiteKnite.getImage();
		Image wkimg = wk.getScaledInstance(90, 90,  java.awt.Image.SCALE_SMOOTH);
		ImageIcon wkIcon = new ImageIcon(wkimg);


		//set up board
		JFrame board = new JFrame();
		board.setSize(640,640);
		board.setLayout(new GridLayout(8,8));


		//create 64 button field
		for(int x = 0; x<8; x++)
		{
			for(int y = 0; y<8; y++)
			{

				JButton square = new JButton();
				if (x % 2 == 0)
					if (y % 2 == 0)
					square.setBackground(Color.RED);
				else
					square.setBackground(Color.BLACK);
				if (x % 2 == 1)
					if (y % 2 == 1)
					square.setBackground(Color.RED);
				else
					square.setBackground(Color.BLACK);
				square.setOpaque(true);
				grid[x][y] = square;
				board.add(grid[x][y]);

			}

		}

		//row 1
		grid[0][0].setIcon(bcIcon);
		grid[0][1].setIcon(bkIcon);
		grid[0][2].setIcon(bbIcon);
		grid[0][3].setIcon(bKIcon);
		grid[0][4].setIcon(bqIcon);
		grid[0][5].setIcon(bbIcon);
		grid[0][6].setIcon(bkIcon);
		grid[0][7].setIcon(bcIcon);

		//row2
		grid[1][0].setIcon(bpIcon);
		grid[1][1].setIcon(bpIcon);
		grid[1][2].setIcon(bpIcon);
		grid[1][3].setIcon(bpIcon);
		grid[1][4].setIcon(bpIcon);
		grid[1][5].setIcon(bpIcon);
		grid[1][6].setIcon(bpIcon);
		grid[1][7].setIcon(bpIcon);

		//row8
		grid[7][0].setIcon(wcIcon);
		grid[7][1].setIcon(wkIcon);
		grid[7][2].setIcon(wbIcon);
		grid[7][3].setIcon(wqIcon);
		grid[7][4].setIcon(wKIcon);
		grid[7][5].setIcon(wbIcon);
		grid[7][6].setIcon(wkIcon);
		grid[7][7].setIcon(wcIcon);

		//row7
		grid[6][0].setIcon(wpIcon);
		grid[6][1].setIcon(wpIcon);
		grid[6][2].setIcon(wpIcon);
		grid[6][3].setIcon(wpIcon);
		grid[6][4].setIcon(wpIcon);
		grid[6][5].setIcon(wpIcon);
		grid[6][6].setIcon(wpIcon);
		grid[6][7].setIcon(wpIcon);



		board.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		board.setVisible(true);
	}

	//This is the part that I am having trouble with. I need to find a way to select the icon and get it to move to the other JButton as well as remove it from the original JButton.
	public void actionPerformed(ActionEvent evt) {

	    Object source = evt.getSource();
	    if (source instanceof JButton) {
	        JButton clicked = (JButton)source;
	        grid[8][8].get(clicked).setIcon(null);
	        clicked.setIcon(player);
	        activeButton = grid.indexOf(clicked);
	    }
	}