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

public class Login extends JFrame{
    JFrame frame;
    JTextField field;
    JTextField txtUsername;
    JPanel panel = new JPanel();
    JPasswordField pswd;
    JLabel label,welcome;
    JButton b;
    JButton e;

    public static void main(String[] args){
        Login gui = new Login();
        gui.go();
    }
    public void go(){
        frame = new JFrame("Buka Catatan");
        frame.setSize(400,400);
        frame.setLocation(500,200);
        frame.setLayout(null);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        welcome = new JLabel("Simpan Catatan Penting-mu Hari ini :) ");
        welcome.setLocation(10,10);
        welcome.setSize(welcome.getPreferredSize());
        frame.add(welcome);

        label = new JLabel("Username");
        label.setLocation(10,50);
        label.setSize(label.getPreferredSize());
        frame.add(label);

        txtUsername = new JTextField();
        txtUsername.setColumns(15);
        txtUsername.setSize(txtUsername.getPreferredSize());

        txtUsername.setLocation(150,50);
        txtUsername.setToolTipText("Enter Username");
        frame.add(txtUsername);

        label = new JLabel("Password");
        label.setLocation(10,90);
        label.setSize(label.getPreferredSize());
        frame.add(label);

        pswd = new JPasswordField();
        pswd.setColumns(15);
        pswd.setSize(pswd.getPreferredSize());

        pswd.setLocation(150,90);
        pswd.setToolTipText("Enter Password");
        frame.add(pswd);

        b = new JButton("Login");
        b.setForeground(Color.GREEN);
        b.setSize(b.getPreferredSize());
        b.setLocation(150,130);
        b.addActionListener(new LoginListener());
        frame.add(b);

        e = new JButton("Exit");
        e.setSize(b.getPreferredSize());
        e.setLocation(250,130);
        frame.getContentPane().add(e);
        e.addActionListener(new ExitListener());
        //frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

        frame.setVisible(true);
    }

    class ExitListener implements ActionListener{
        public void actionPerformed (ActionEvent ev) {
            int a = JOptionPane.showConfirmDialog(frame,"Apakah kamu ingin keluar?");
            if(a==JOptionPane.OK_OPTION){
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                txtUsername.setText("");
                pswd.setText("");
                dispose();
                System.exit(0);
            }
        }
    }

    class LoginListener implements ActionListener{
        public void actionPerformed (ActionEvent e) {
            String uname = txtUsername.getText();
            String pass = pswd.getText();
            if (uname.equals("one") && pass.equals("qqq")){
                FNote reg=new FNote();
                setVisible(true);
                txtUsername.setText("");
                pswd.setText("");
                dispose();
                //JOptionPane.showMessageDialog(frame,"yey","berhasil", JOptionPane.INFORMATION_MESSAGE);
            }
            else{
                JOptionPane.showMessageDialog(frame,"uuh :(","gagal :(",JOptionPane.ERROR_MESSAGE);
                txtUsername.setText("");
                pswd.setText("");
            }
        }
    }
}