import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.Timer;

public class SimonGUI extends JFrame implements ActionListener{

	/**
	 * @param args
	 */

	//creates the buttons needed and a timer
	JButton btn1,btn2,btn3,btn4;
	JButton btnGo;
	Timer t;
	public static void main(String[] args) {

		SimonGUI s = new SimonGUI();

		s.init();
		s.setSize(865, 300);
		s.setTitle("Simon Says");
		s.setVisible(true);

	}

	private void init(){

		t = new Timer(1000, this); //sets up a times that will run for 1 second

		Container pane = this.getContentPane();
		pane.setLayout(null);
		btn1 = new JButton();
		btn1.setBounds(10, 10, 200, 200);
		btn1.setBackground(Color.black);
		pane.add(btn1);

		//you can add the other buttons here

		btnGo = new JButton();
		btnGo.setBounds(10, 220, 830, 40);
		btnGo.setText("GO");
		btnGo.addActionListener(this);
		pane.add(btnGo);

	}

	@Override
	public void actionPerformed(ActionEvent event) {
		if(event.getSource() == btnGo)
		{
			btn1.setBackground(Color.red); // sets the background colour
			repaint(); //updates the screen
			t.start();// starts the timer


		}
		if(event.getSource() ==t){
			btn1.setBackground(Color.black); //resets btn1 to black

			//other buttons should go in here as well
			repaint();
			t.stop(); //stops the timer
		}
	}
}