import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;
/*
 * Created on Jul 20, 2005
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */

public class TicTacApp 
extends JApplet
implements ActionListener {
	TicTacBoard board;
	JButton[][] bttn = new JButton[3][3];
	JLabel MessageText;
	public void init() {
		// Initialize class variables
		board = new TicTacBoard(Piece.Player1);
		MessageText = new JLabel(" ");
		
		// Make a main panel that holds everything. This only has the
		// usefulness of allowing a border (I think).
		JPanel MainPanel = new JPanel(); 
        MainPanel.setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED));
        getContentPane().add(MainPanel);
		
		// The BorderLayout layout manager lets me put the board in the middle
		// and expand as much as necessary while keeping the message at the
		// bottom always the same.
        MainPanel.setLayout(new BorderLayout());
		
		//Make JPanel to hold board (buttons)
		JPanel BoardPanel = new JPanel();
		BoardPanel.setBorder(BorderFactory.createEtchedBorder());
		MainPanel.add(BoardPanel, BorderLayout.CENTER);
		//Add buttons in 3x3 array
		int i, j;
		for (i=0; i<3; i++) 
			for (j=0; j<3; j++){
				bttn[i][j] = new JButton("");
				bttn[i][j].addActionListener(this);
				bttn[i][j].setActionCommand("move:"+i+":"+j);
				BoardPanel.add(bttn[i][j]);
			}
        BoardPanel.setLayout(new GridLayout(3,3));
        //Make JPanel to hold new game button and message
        JPanel BottomPanel = new JPanel();
        BottomPanel.setLayout(new BoxLayout(BottomPanel, BoxLayout.PAGE_AXIS));
        MainPanel.add(BottomPanel, BorderLayout.PAGE_END);
        //Add buttons for new games
        JButton NewGame1 = new JButton("New Game (You start)");
        NewGame1.addActionListener(this);
        NewGame1.setActionCommand("newgame:1");
        NewGame1.setAlignmentX(Component.CENTER_ALIGNMENT);
        BottomPanel.add(Box.createRigidArea(new Dimension(0,5)));
        BottomPanel.add(NewGame1);
        JButton NewGame2 = new JButton("New Game (I start)");
        NewGame2.addActionListener(this);
        NewGame2.setActionCommand("newgame:2");
        NewGame2.setAlignmentX(Component.CENTER_ALIGNMENT);
        BottomPanel.add(Box.createRigidArea(new Dimension(0,5)));
        BottomPanel.add(NewGame2);
        BottomPanel.add(Box.createRigidArea(new Dimension(0,5)));
        //Add text box
        MessageText.setHorizontalAlignment(JLabel.CENTER);
        MessageText.setAlignmentX(Component.CENTER_ALIGNMENT);
        //MessageText.setBorder(BorderFactory.createEtchedBorder());
        BottomPanel.add(MessageText);     
	}
	
	public void actionPerformed(ActionEvent evt) {
		int i, j;
		
		String[] cmdparsed = evt.getActionCommand().split(":");
		if(cmdparsed.length<1)
			return;
		if(cmdparsed[0].equals("move")) {
			if(cmdparsed.length<3)
				return;
			i = Integer.parseInt(cmdparsed[1]);
			j = Integer.parseInt(cmdparsed[2]);
			// if someone already won, return without doing anything
			// this way the buttons can stay enabled but don't continue the game
			if(board.checkWin(Piece.Player1) || board.checkWin(Piece.Player2))
				return;
			// on error exit without doing anything else
			if(board.makeMove(new Piece(Piece.Player1, i, j)))
				return;
				
			bttn[i][j].setEnabled(false); // disable button
			bttn[i][j].setLabel(""+Piece.Player1);
			// See if user won
			if(board.checkWin(Piece.Player1)) {
				MessageText.setText("You Win!!!");
				return;
			}
			// See if it is cat's game
			if(board.checkCat()) {
				MessageText.setText("Cat's Game...");
				return;
			}
			// Let computer make move
			Piece NextMove = board.decideMove();
			i = NextMove.getX();
			j = NextMove.getY();
			// on error exit
			if(board.makeMove(new Piece(Piece.Player2, i, j)))
				return;
			
			bttn[i][j].setEnabled(false); // disable button
			bttn[i][j].setLabel(""+Piece.Player2);
			// See if computer won
			if(board.checkWin(Piece.Player2)) {
				MessageText.setText("I Win!!!");
				return;
			}
			// See if it is cat's game
			if(board.checkCat()) {
				MessageText.setText("Cat's Game...");
				return;
			}			
			return;
		}
		if(cmdparsed[0].equals("newgame")) {
			if(cmdparsed.length<2)
				return;

			// Reset the buttons
			for (i=0; i<3; i++) 
				for (j=0; j<3; j++){
					bttn[i][j].setLabel("");
					bttn[i][j].setEnabled(true);
				}
			// Reset the message
			MessageText.setText(" ");

			//If player 1 (human) starts, get board for him to start
			if(cmdparsed[1].equals("1"))
				board = new TicTacBoard(Piece.Player1);
			//If Player 2 starts (computer) make the first move
			if(cmdparsed[1].equals("2")) {
				board = new TicTacBoard(Piece.Player2);
				Piece NextMove = board.decideMove();
				i = NextMove.getX();
				j = NextMove.getY();
				// on error exit
				if(board.makeMove(new Piece(Piece.Player2, i, j)))
					return;
				
				bttn[i][j].setEnabled(false); // disable button
				bttn[i][j].setLabel(""+Piece.Player2);
			}
		}
  }
}