import java.awt.*;
import java.awt.image.*;
import java.applet.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;

// This class displays status messages and implements a "reset button" which
// calls the cluster.reset() method when clicked.

public class bottom extends Applet implements Runnable, MouseListener
{
	int i,j,k,l,x,y,grayCount,currMes=-1,newMes=-1;
	final String messages[]={"Your turn","Computer's turn","You win!","Computer wins",
		"Tied game"};
	Image background;
	Graphics bg;
	long nextTime;
	MediaTracker mt;
	Thread runner;
	Color grays[]=new Color[5];
	Font f;
	FontMetrics fm;
	cluster clusterApplet;
	
	public void init()
	{
		mt=new MediaTracker(this);
		InputStream imgstrm;
		imgstrm = getClass().getResourceAsStream("row4b.gif"); 
    	try { 
        	byte imageBytes[] = new byte[imgstrm.available()]; 
        	imgstrm.read(imageBytes); 
        	background = Toolkit.getDefaultToolkit().createImage(imageBytes); 
    	} catch (IOException ioe) {background=createImage(176,21);}
		mt.addImage(background,0);
		try
		{
			mt.waitForID(0);
		}
		catch(InterruptedException e) {}
		for (i=0;i<5;i++)
			grays[i]=new Color((i+1)*51,(i+1)*51,(i+1)*51);
		f=new Font("SansSerif",Font.BOLD,12);
		fm=getFontMetrics(f);
		setFont(f);
		addMouseListener(this);
	}
	
	public void start()
	{
		if (runner==null)
		{
			runner=new Thread(this);
			runner.start();
		}
	}
	
	public void stop()
	{
		if ((runner!=null)&&(runner.isAlive()))
		{
			runner.stop();
		}
		runner=null;
	}
	
	public void run()
	{
		while (runner!=null)
		{
			try
			{
				runner.sleep(Math.max(25,nextTime-System.currentTimeMillis()));
			} catch (InterruptedException e) {}
			nextTime=System.currentTimeMillis()+80;
			if (newMes>=0) // New message to display? Fade old one out
			{
				if (grayCount>0)
					grayCount--;
				else
				{
					currMes=newMes;
					newMes=-1;
				}
				repaint();
			}
			else if (grayCount<4 && currMes>=0) // Fade in
			{
				grayCount++;
				repaint();
			}
		}
	}
	
	public void setNewMessage(int m) // Called by the main applet
	{
		newMes=m;
	}
	
	public void mouseEntered(MouseEvent me){}
	public void mouseExited(MouseEvent me){}
	public void mouseReleased(MouseEvent me){}
	public void mouseClicked(MouseEvent me){}
	public void mousePressed(MouseEvent me)
	{
		x=me.getX();
		y=me.getY();
		if ((x-12)*(x-12)+(y-11*y-11)<122) // Reset button clicked
		{
			if (clusterApplet==null)
				clusterApplet=(cluster)getAppletContext().getApplet("cluster");
			clusterApplet.reset();
			clusterApplet.repaint();
		}
	}
	
	public void update(Graphics g)
	{
		g.drawImage(background,0,0,this);
		if (currMes>=0)
		{
			g.setColor(grays[grayCount]);
			g.drawString(messages[currMes],100-fm.stringWidth(messages[currMes])/2,17);
		}
	}
	
	public void paint(Graphics g)
	{
		update(g);
	}
}