import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Random;
import java.awt.event.*;


public class GuessNumber extends JApplet implements ActionListener{
	private String titleStr="I have a number between 1 and 1000. Can you guess my number?";
	private JLabel title=new JLabel(titleStr);
	private JLabel ask=new JLabel("Please enter your first guess: ");
	private JTextField guess=new JTextField();
	private JLabel resultLabel=new JLabel("Result: ");
	private JLabel result=new JLabel();
	private JButton replay=new JButton("Play again");
	Container cp=getContentPane();
	private int randomNum;
	public void init() {
		randomNum=new Random().nextInt(1000)+1;
		guess.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				String str=e.getActionCommand();
				try {
					int guessNum=Integer.parseInt(str);
					if (guessNum<randomNum) {
						result.setText("Too Low");
						guess.setBackground(Color.BLUE);
					}
					if (guessNum>randomNum) {
						result.setText("Too High");
						guess.setBackground(Color.RED);
					}
					if (guessNum==randomNum) {
						result.setText("Correct!");
						guess.setBackground(Color.WHITE);
						guess.setEditable(false);
					}
				} catch (Exception ex) {
					result.setText(ex.toString());
				}
			}
		});
		replay.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				randomNum=new Random().nextInt(1000)+1;
				guess.setEditable(true);
				guess.setText("");
				guess.setBackground(Color.WHITE);
				result.setText("");
			}
		});
		JPanel midScreen=new JPanel();
		midScreen.setLayout(new GridLayout(2,2));
		midScreen.add(ask); midScreen.add(guess);
		midScreen.add(resultLabel); midScreen.add(result);
		cp.setLayout(new FlowLayout());
		cp.add(title);
		cp.add(midScreen);
		cp.add(replay);
	}
	public static void main(String[] args) {
		JApplet applet = new GuessNumber();
		JFrame frame = new JFrame("Guess my number");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setResizable(false);
		frame.getContentPane().add(applet);
		frame.setSize(400,150);
		applet.init();
		applet.start();
		frame.setVisible(true);
	}

    public void actionPerformed(ActionEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }
}