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

public class Affiche extends JPanel {

    int tabJeu[][] = {
        {0,0,1,2,0,0,0,0,0},
        {0,1,2,1,2,0,0,0,0},
        {0,2,1,2,1,2,1,0,0},
        {0,1,2,1,2,1,2,1,2},
        {1,2,1,2,0,2,1,2,1},
        {2,1,2,1,2,1,2,1,0},
        {0,0,1,2,1,2,1,2,0},
        {0,0,0,0,2,1,2,1,0},
        {0,0,0,0,0,2,1,0,0}
    };

    int pionTaille = 50;
    int pas = 70;
    int yBase = 60;
    int xBase = 60;

    public Affiche() {
        setLayout(null);

        for (int i = 0; i < tabJeu.length; i++) {
            for (int j = 0; j < tabJeu[i].length; j++) {
                int valeur = tabJeu[i][j];
                if (valeur != 0) {
                    Color couleur = (valeur == 1) ? Color.BLUE : Color.RED;
                    JButton bouton = creerBoutonRond(couleur);

                    int x = xBase + j * pas;
                    int y = yBase + i * pas;
                    bouton.setBounds(x, y, pionTaille, pionTaille);

                    add(bouton);
                }
            }
        }
    }

    private JButton creerBoutonRond(Color couleurBase) {
        JButton bouton = new JButton() {
            private boolean hover = false;

            {
                setBorderPainted(false);
                setContentAreaFilled(false);
                setFocusPainted(false);
                setOpaque(false);

                addMouseListener(new MouseAdapter() {
                    @Override
                    public void mouseEntered(MouseEvent e) {
                        hover = true;
                        repaint();
                    }

                    @Override
                    public void mouseExited(MouseEvent e) {
                        hover = false;
                        repaint();
                    }

                    @Override
                    public void mouseClicked(MouseEvent e) {
                        JOptionPane.showMessageDialog(null,
                                "Tu as cliqué sur un pion " + (couleurBase == Color.BLUE ? "bleu" : "rouge") + " !");
                    }
                });
            }

            @Override
            protected void paintComponent(Graphics g) {
                Graphics2D g2 = (Graphics2D) g.create();
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

                Color couleur = hover ? couleurBase.darker() : couleurBase;
                g2.setColor(couleur);
                g2.fillOval(0, 0, getWidth(), getHeight());

                g2.dispose();
            }

            @Override
            public boolean contains(int x, int y) {
                double dx = x - getWidth() / 2.0;
                double dy = y - getHeight() / 2.0;
                return dx * dx + dy * dy <= (getWidth() / 2.0) * (getWidth() / 2.0);
            }
        };

        bouton.setPreferredSize(new Dimension(pionTaille, pionTaille));
        return bouton;
    }

    public static void main(String[] args) {
        JFrame fenetre = new JFrame("Pions interactifs sans bord bleu");
        fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        fenetre.setSize(900, 800);
        fenetre.add(new Affiche());
        fenetre.setVisible(true);
    }
}