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

public class LoginScreenGUI extends JFrame implements ActionListener {

	private String username, password;
	private int width, height;
	ImagePicture pic;
	JLabel lblUsername, lblPassword;
	JTextField txtUsername, txtPassword, txtAccountNumber;
	JButton btnLogin, btnExit, btnSignUp, btnCreate, btnReturn;

	public LoginScreenGUI() {
		super ("Bank Application");

		width = 0;
		height = 0;

		setLayout(null);

		lblUsername = new JLabel ("Enter User Name");
		lblPassword = new JLabel ("Enter Password");

		txtUsername = new JTextField (" ");
		txtPassword = new JTextField (" ");

		btnLogin = new JButton ("Login");
		btnExit = new JButton ("Exit");
		btnSignUp = new JButton ("Sign Up");

		setSize (1000, 700);

		txtUsername.setBounds(450, 300, 100, 40);
		txtPassword.setBounds(450, 350, 100, 40);

		btnLogin.setBounds(150, 500, 80, 40);
		btnExit.setBounds(750, 500, 80, 40);
		btnSignUp.setBounds(450, 500, 80, 40);

		add(lblUsername);
		add(lblPassword);
		add(txtUsername);
		add(txtPassword);
		add(btnLogin);
		add(btnExit);
		add(btnSignUp);

		btnLogin.addActionListener(this);
		btnExit.addActionListener(this);
		btnSignUp.addActionListener(this);

		setVisible(true);

	}

	public void actionPerformed (ActionEvent e) {
		if (e.getSource() == btnSignUp) {
			dispose();
			JFrame myFrame = new JFrame();
			setSize (1000, 700);

			txtUsername = new JTextField(" ");
			txtPassword = new JTextField(" ");

			btnCreate = new JButton ("Create Account");
			btnExit = new JButton ("Exit");
			btnReturn = new JButton ("Return To Login");

			add(txtUsername);
			add(txtPassword);
			add(txtAccountNumber);
			add(btnCreate);
			add(btnExit);
			add(btnReturn);

			myFrame.setVisible(true);

			/* generates new account number everytime the
			 * create account button is pressed
			 */

			public void actionPerformedNested (ActionEvent f) {
				if (e.getSource() == btnCreate) {

				}
				if (e.getSource() == btnExit) {
					System.exit(0);
				}
				if (e.getSource() == btnReturn) {
					dispose();
					LoginScreenGUI.setVisible(true);
				}
			}

		}
		if (e.getSource() == btnLogin) {
			new BalancesGUI();
		}
		if (e.getSource() == btnExit) {
			System.exit(0);
		}
	}

	public static void main(String[] args) {
		new LoginScreenGUI();

	}

}