Game.java

import java.io.*;
import java.util.*;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import java.awt.GridLayout;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JOptionPane;

class Game extends JFrame implements ActionListener
{
	static Bot bot=new Bot(1,7);

	JPanel p;
	JButton buttons[];
	Board board;
	Game()
	{
		super("Othello");
		board=new Board();
		p=new JPanel();
		buttons=new JButton[64];
		setSize(500,500);
		setResizable(false);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		p.setLayout(new GridLayout(8,8));
		int i=0,j=0;
		for(i=0;i<64;i++)
		{
			buttons[i]=new JButton();
			buttons[i].addActionListener(this);
			p.add(buttons[i]);
		}
		add(p);
		setVisible(true);
	}

	void update(Board board)
	{
		int i=0,j=0;
		for(i=0;i<8;i++)
		{
			for(j=0;j<8;j++)
			{
				if(board.grid[i][j]==1)
				{
					if(buttons[i*8+j].getBackground()!=Color.WHITE)
					{
						buttons[i*8+j].setBackground(Color.WHITE);
						buttons[i*8+j].setOpaque(true);
					}
				}
				else if(board.grid[i][j]==-1)
				{
					if(buttons[i*8+j].getBackground()!=Color.BLACK)
					{
						buttons[i*8+j].setBackground(Color.BLACK);
						buttons[i*8+j].setOpaque(true);
					}
				}
				else
				{
					if(buttons[i*8+j].getBackground()!=Color.GRAY)
					{
						buttons[i*8+j].setBackground(Color.GRAY);
						buttons[i*8+j].setOpaque(true);
					}
				}
			}
		}
	}

	public void actionPerformed(ActionEvent e)
	{
		JButton o=(JButton)e.getSource();
		ArrayList<Integer> possibleMoves=board.findPossibleMoves(-1);
		if(possibleMoves.size()>0)
		{
			int i=0;
			for(i=0;i<64;i++)
			{
				if(buttons[i]==o)
				{
					try
					{
						board.move(-1,i/8,i%8);
					}
					catch(Exception exception)
					{
						JOptionPane.showMessageDialog(null,exception.getMessage());
						return;
					}
					update(board);
					break;
				}
			}
		}
		boolean flag=true;
		while(flag)
		{
			int count=0;
			possibleMoves=board.findPossibleMoves(1);
			if(possibleMoves.size()>0)
			{
				System.out.println("Bot's move");
				int pos=Game.bot.think(board,possibleMoves);
				int x=pos/8;
				int y=pos%8;
				try
				{
					board.move(1,x,y);
				}
				catch(Exception exception)
				{
					System.out.println(exception.getMessage());
				}
				update(board);
			}
			else
				count++;
			possibleMoves=board.findPossibleMoves(-1);
			if(possibleMoves.size()>0)
				flag=false;
			else
				count++;
			if(count==2)
			{
				board.displayResult();
				board=new Board();
				update(board);
				return;
			}
		}
		System.out.println("Your move");
	}

	public static void main(String args[])throws Exception
	{
		Game game=new Game();
		game.update(game.board);
	}
}