WebClient/src/main/java/org/openautonomousconnection/webclient/ui/TopBar.java

/* Author: Maple
 *  Jan. 18 2026
 *  */

package org.openautonomousconnection.webclient.ui;

import lombok.Getter;
import org.openautonomousconnection.webclient.Main;

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;

public class TopBar extends JPanel {
    @Getter
    private MenuButton closeButton, minimizeButton, maximizeButton;

    @Getter
    private JPanel buttonPanel;

    private Point dragOffset;

    public TopBar() {
        this.setPreferredSize(new Dimension(0, 40));

        this.buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));

        this.closeButton = new MenuButton("X", MenuButton.ClickAction.CLOSE);
        this.minimizeButton = new MenuButton("-", MenuButton.ClickAction.MINIMIZE);
        this.maximizeButton = new MenuButton("[]", MenuButton.ClickAction.MAXIMIZE);

        this.buttonPanel.add(this.closeButton);
        this.buttonPanel.add(this.minimizeButton);
        this.buttonPanel.add(this.maximizeButton);

        this.init();
    }

    private void init() {
        this.addMouseListener(new MouseAdapter() {
            @Override
            public void mousePressed(MouseEvent e) {
                Point mouseOnScreen = e.getLocationOnScreen();
                Point frameLocation = Main.mainFrame.getLocation();

                dragOffset = new Point(
                        mouseOnScreen.x - frameLocation.x,
                        mouseOnScreen.y - frameLocation.y
                );
            }

            @Override
            public void mouseReleased(MouseEvent e) {
                dragOffset = null;
            }
        });

        this.addMouseMotionListener(new MouseMotionAdapter() {
            @Override
            public void mouseDragged(MouseEvent e) {
                if (dragOffset != null) {
                    Point mouseOnScreen = e.getLocationOnScreen();

                    int newX = mouseOnScreen.x - dragOffset.x;
                    int newY = mouseOnScreen.y - dragOffset.y;

                    Main.mainFrame.setLocation(newX, newY);
                }
            }
        });
    }

    public void initButtonPanel(String alignment) {
        this.setLayout(new BorderLayout());

        this.add(this.buttonPanel, alignment);

        this.repaint();
    }
}