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

public class Grille extends JPanel {

    private Pion grille[][];
    private int playerTurn = Utils.PLAYER_ONE;

    public Grille() {
        super();
        /*
         * On peut remplacer GridBagLayout par un GridLayout
         */
        GridBagLayout gbl = new GridBagLayout();
        this.setLayout(gbl);
        GridBagConstraints gbc = new GridBagConstraints();
        grille = new Pion[Utils.COLUMN_COUNT][Utils.ROW_COUNT];
        for (int x = 0; x < Utils.COLUMN_COUNT; x++) {
            for (int y = 0; y < Utils.ROW_COUNT; y++) {
                Pion pion = new Pion();
                gbc.gridx = x;
                gbc.gridy = y;
                gbc.fill = GridBagConstraints.BOTH;
                gbc.anchor = GridBagConstraints.CENTER;
                gbc.gridwidth = 1;
                gbc.gridheight = 1;
                gbc.weightx = 0;
                gbc.weighty = 0;
                gbc.insets = new Insets(0, 0, 0, 0);

                this.add(pion, gbc);

                grille[x][y] = pion;
            }
        }

        int minimumWidth = Utils.COLUMN_COUNT * grille[0][0].getMinimumSize().width;
        int minimumHeight = Utils.ROW_COUNT * grille[0][0].getMinimumSize().height;
        int preferredWidth = Utils.COLUMN_COUNT * grille[0][0].getPreferredSize().width;
        int preferredHeight = Utils.ROW_COUNT * grille[0][0].getPreferredSize().height;
        
        this.setMinimumSize(new Dimension(minimumWidth, minimumHeight));
        this.setPreferredSize(new Dimension(preferredWidth, preferredHeight));
    }

    public void drawPlayerPlay(int column, int player) {
        for (int row = Utils.ROW_COUNT - 1; row >= 0; row--) {
            Pion p = grille[column][row];
            if (p.getBackground() != Utils.PLAYER_ONE_COLOR && p.getBackground() != Utils.PLAYER_TWO_COLOR) {
                p.setBackground(player == Utils.PLAYER_ONE ? Utils.PLAYER_ONE_COLOR : Utils.PLAYER_TWO_COLOR);
                this.switchPlayer();
                break;
            }
        }
    }

    private void switchPlayer() {
        this.playerTurn = (playerTurn + 1) % 2;
    }

    public int getPlayerTurn() {
        return playerTurn;
    }

    @Override
    protected void paintComponent(Graphics g) {
        Graphics g2 = g.create();
        g2.setColor(Color.BLUE);
        g2.fillRoundRect(0, 0, this.getWidth(), this.getHeight(), 3 * Utils.PAWN_MARGIN, 3 * Utils.PAWN_MARGIN);
    }
}