import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

// NOTHING to change in this class, only finish methods in BST class.

public class DisplayWindow extends javax.swing.JFrame implements MouseListener
{
	BinaryTreeNode tree;
	static int window_size = 700;
	int moveCounter = 0;
	
	public void mouseClicked(MouseEvent mouseEvent)
	{      
		Point clickPoint = mouseEvent.getPoint();
		BinaryTreeNode clickNode = BinaryTreeNode.getNodeMouseClick(clickPoint);
		if ( clickNode == null )
		{
			if( clickPoint.y > this.getHeight() - 40 )
			{
				this.tree = new BinaryTreeNode(5, null, 0, 100);
				moveCounter = 0;
				repaint();
			}
			return;
		}
		if( mouseEvent.getButton() == mouseEvent.BUTTON1 )
		{
			if( clickNode.rotateAlternate() )
				moveCounter++;
		}
		else
		{
			if( clickNode.rotate() )
					moveCounter++;
		}
		repaint();
	}
	
	public void paint(Graphics g)
    {               
        super.paint(g);
        tree.addGraphics(g);
        
        g.drawString( "Left click node rotates clockwise (your task in the lab)", 20, this.getHeight() - 70);
        g.drawString( "Right click node rotates counterClockwise (provided to you)", 20, this.getHeight() - 50 );
        g.drawString( "Click here to generate new random BST", 20, this.getHeight() - 30 );
        
        g.setColor(Color.BLUE);
		g.setFont(new Font("Verdana",Font.BOLD,20));
        g.drawString( "Moves: "+moveCounter, this.getWidth() - 130, this.getHeight() - 15 );
    }
	
	public DisplayWindow()
    {
        this.tree = new BinaryTreeNode(5, null, 0, 100);

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setSize(window_size,window_size);
        setTitle("Balance the BST game");
        this.addMouseListener(this);
    }
	
	public static void main(String[] args)
	{
		java.awt.EventQueue.invokeLater(new Runnable()
		{
			public void run()
			{
				new DisplayWindow().setVisible(true);
			}
		});
	}
	
	// Other mouse listener event handlers (NOT needed for our purposes, just leave blank)
	public void mouseEntered(MouseEvent arg0) {
	}

	public void mouseExited(MouseEvent arg0) {		
	}

	public void mousePressed(MouseEvent arg0) {		
	}

	public void mouseReleased(MouseEvent arg0) {
	}
	
}