import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;



public class mrAppl extends Applet {
    JButton  b2;
    Button b3;
    Label b1, l1, l2, l3, l4;
    Panel p1, p2, p3, p4;

    Label msgLabel;

    Memory mem = new Memory ();
    ShiftBuffer sb = new ShiftBuffer (4);
    char guess, prediction;
    int right = 0, wrong = 0;


    public void init () {

	p1 = new Panel();
	p2 = new Panel();
	p3 = new Panel();
	p4 = new Panel();

	b1 = new Label ("  ?  ");
	//	b2 = new Button ("Head");
	b2 = new JButton (new ImageIcon("s.gif"));
	b3 = new Button ("Tail");

	b2.addActionListener ( new ActionListener() {
	    public void actionPerformed (ActionEvent ae) {
		System.out.println ("Head");
		foobar ('h');
	    }}
			       );

	b3.addActionListener ( new ActionListener() {
	    public void actionPerformed (ActionEvent ae) {
		System.out.println ("Tail");
		foobar ('t');
	    }}
			       );
	    

	l1 = new Label ("You:");
	l2 = new Label ("Computer:");
	l3 = new Label ("0");
	l4 = new Label ("0");

	p1.add (l1);
	p1.add (l3);
	p1.add (l2);
	p1.add (l4);
	//	p1.setBackground(Color.red);
	add(p1);

	p2.add(b1);
	//p2.setBackground(Color.green);
	add(p2);

	msgLabel = new Label("I've made my prediction", Label.CENTER);
	//	msgLabel.setText("=======Hello!========");
	//	msgLabel.setText("Hello!");
	p4.add(msgLabel);
	add(p4);
	//	msgLabel.setBackground(Color.yellow);	
	//	p4.setBackground(Color.blue);	

	p3.add (b2);
	p3.add (b3);
	//	p3.setBackground(Color.blue);	
	add(p3);
	

	((FlowLayout)p3.getLayout()).setHgap(60);
	setLayout (new GridLayout (4,1));
	setSize(200,100);

	setBackground(Color.pink);
	// setFont (new Font ("serif", Font.BOLD, 20);


	//	String ans = JOptionPane.showInputDialog ("Hello!!");
	//	Frame aFrame = new Frame ("Hi");
	//	aFrame.add(this, BorderLayout.CENTER);
	//	aFrame.setSize(50,50);
	//	aFrame.setVisible(true);

	play();
    }

    public void play () {
	    prediction = mem.retrieve(sb);
	    System.out.println ("My prediction: " + prediction);
	    b1.setText("  ?  ");
	    msgLabel.setText("I've made my prediction");
    }

    void foobar (char guess) {
	b1.setText(prediction == 'h' ? "Head" : "Tail");
	if (guess == prediction) 
	    {
		System.out.println ("Yes!. I too predicted " + prediction);
		right++;
		msgLabel.setText("I'm right!");
		l4.setText (""+right);
		Dialog dl = new Dialog((Frame) getParent());
		//    	dl.show();
	    } else {
		System.out.println ("No. I predicted " + prediction);
		wrong++;
		msgLabel.setText("Missed.");
		l3.setText (""+wrong);
          }
        mem.store (sb, guess);
        sb.shift (guess);
        System.out.println ("Score = " + right + " | " + wrong);

	try {
	    Thread.sleep (1000);
	} catch (InterruptedException e) {}
	play();
    }

}