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

@SuppressWarnings("serial")
public class SecondsConv extends JFrame {
    //GUI VARS
    public JLabel lblSec, lblMin, lblHour, lblDay, lblWeek, lblYear;
    public JTextField txtSec, txtMin, txtHour, txtDay, txtWeek, txtYear;
    public JButton btnExit, btnConvert;
    //Variables

    public SecondsConv() //Draw the GUI
    {
        //Set the title of the GUI
        setTitle("Convert seconds to larger units");
        //Create the labels
        lblSec = new JLabel ("Input the number of seconds to convert:", SwingConstants.RIGHT);
        lblMin = new JLabel ("The total number of minutes converted is:", SwingConstants.RIGHT);
        lblHour = new JLabel ("The total number of hours converted is:", SwingConstants.RIGHT);
        lblDay = new JLabel ("The total number of days converted is:", SwingConstants.RIGHT);
        lblWeek = new JLabel ("The total number of weeks converted is:", SwingConstants.RIGHT);
        lblYear = new JLabel ("The total number of years converted is:", SwingConstants.RIGHT);
        //Create Exit button
        btnExit = new JButton("Exit");
        ExitButtonHandler ebHandler = new ExitButtonHandler();
        btnExit.addActionListener(ebHandler);
        //Create Convert button
        btnConvert = new JButton("Convert");
        ConvertButtonHandler cbHandler = new ConvertButtonHandler();
        btnConvert.addActionListener(cbHandler);
        //Create the TextFields
        txtSec = new JTextField(10);
        txtMin = new JTextField(10);
        txtHour = new JTextField(10);
        txtDay = new JTextField(10);
        txtWeek = new JTextField(10);
        txtYear = new JTextField(10);
        txtYear.setEnabled(false);
        txtMin.setEnabled(false);
        txtWeek.setEnabled(false);
        txtDay.setEnabled(false);
        //Set GUI layout
        Container GUI = getContentPane();
        GUI.setLayout(new GridLayout (7,2)); //Set Gui layout to 6 rows 2 columns
        //Add elements to interface
        GUI.add(lblSec);
        GUI.add(txtSec);
        GUI.add(lblMin);
        GUI.add(txtMin);
        GUI.add(lblHour);
        GUI.add(txtHour);
        GUI.add(lblDay);
        GUI.add(txtDay);
        GUI.add(lblWeek);
        GUI.add(txtWeek);
        GUI.add(lblYear);
        GUI.add(txtYear);
        GUI.add(btnExit);
        GUI.add(btnConvert);

        setSize(550,300);
        setVisible(true);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
    }
    private class ExitButtonHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }
    }
    private class ConvertButtonHandler implements ActionListener
    {
        double sec = Double.parseDouble(txtSec.getText());
        double min = sec / 60;
        double hour = sec / 3600;
        double day = sec / 86400;
        double week = sec / 604800;
        double year = sec / 31449600;
        public void actionPerformed(ActionEvent e) {
        txtMin.setText("" + min);
        txtHour.setText("" + hour);
        txtDay.setText("" + day);
        txtWeek.setText("" + week);
        txtYear.setText("" + year);
        }
    }
    public static void main(String[] args)
    {
        @SuppressWarnings("unused")
        SecondsConv GuiDraw = new SecondsConv();
    }
}