package questions;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.JButton;

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

import liste.Maillon;

public class Calculer extends JFrame implements ActionListener {

    private JPanel contentPane;
    private JTextField champMontant;
    private JTextField champTps;
    private JTextField champTvq;
    private JTextField champTotal;

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    Calculer frame = new Calculer();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public Calculer() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 350, 160);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JLabel etiquetteMontant = new JLabel("Montant :");
        etiquetteMontant.setBounds(6, 6, 61, 16);
        contentPane.add(etiquetteMontant);

        champMontant = new JTextField();
        champMontant.setBounds(79, 0, 68, 28);
        contentPane.add(champMontant);
        champMontant.setColumns(10);
        champMontant.addActionListener(this);

        JLabel etiquetteTps = new JLabel("TPS :");
        etiquetteTps.setBounds(6, 45, 61, 16);
        contentPane.add(etiquetteTps);

        champTps = new JTextField();
        champTps.setEditable(false);
        champTps.setBounds(79, 40, 68, 28);
        contentPane.add(champTps);
        champTps.setColumns(10);

        JLabel etiquetteTvq = new JLabel("TVQ :");
        etiquetteTvq.setBounds(6, 88, 61, 16);
        contentPane.add(etiquetteTvq);

        champTvq = new JTextField();
        champTvq.setEditable(false);
        champTvq.setBounds(79, 82, 68, 28);
        contentPane.add(champTvq);
        champTvq.setColumns(10);

        JLabel etiquetteTotal = new JLabel("Total :");
        etiquetteTotal.setBounds(195, 6, 48, 16);
        contentPane.add(etiquetteTotal);

        champTotal = new JTextField();
        champTotal.setEditable(false);
        champTotal.setBounds(255, 0, 68, 28);
        contentPane.add(champTotal);
        champTotal.setColumns(10);

        JButton boutonCalculer = new JButton("Calculer");
        boutonCalculer.addActionListener(this);
        boutonCalculer.setBounds(205, 41, 117, 29);
        contentPane.add(boutonCalculer);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (champMontant.getText() != null) {
            try {
                double mt = Double.parseDouble(champMontant.getText());
                if (mt < 0.0) {
                    throw new NumberFormatException("Le montant doit être positif ou nul");
                }
                double tps = mt * 0.05;
                double tvq = mt * 0.09975;
                double total = mt + tps + tvq;
                champTps.setText(String.format("%.2f", tps));
                champTvq.setText(String.format("%.2f", tvq));
                champTotal.setText(String.format("%.2f", total));
            } catch (NumberFormatException ex) {
                JOptionPane.showMessageDialog(champMontant, ex.getMessage());
            }
        }
    }
}