package MenuFrame;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;


public class MenuFrame extends JFrame {

    private RectanglePanel panel;
    private Random generator;

    public MenuFrame() {

        generator = new Random();

        panel = new RectanglePanel();

        getContentPane().add(panel, BorderLayout.CENTER);

        JMenuBar menuBar = new JMenuBar();
        setJMenuBar(menuBar);

        menuBar.add(createFileMenu());
        menuBar.add(createEditMenu());
        pack();

    }

    public JMenu createFileMenu() {

        JMenu menu = new JMenu("File");
        menu.add(createFileNewItem());
        menu.add(createFileExitItem());
        return menu;

    }

    public JMenu createEditMenu() {
        JMenu menu = new JMenu("Edit");
        menu.add(createMoveMenu());
        menu.add(createEditRandomizeItem());
        return menu;

    }


    public JMenu createMoveMenu() {

        JMenu menu = new JMenu("Move");
        menu.add(createMoveItem("Up", 0, -1));
        menu.add(createMoveItem("Down", 0, 1));
        menu.add(createMoveItem("Left", -1, 0));
        menu.add(createMoveItem("Right", 1, 0));

        return menu;

    }

    public JMenuItem createFileNewItem() {
        JMenuItem item = new JMenuItem("New");
        class MenuItemListener implements ActionListener {
            public void actionPerformed(ActionEvent event) {

                panel.reset();

            }
        }

        ActionListener listener = new MenuItemListener();
        item.addActionListener(listener);
        return item;
    }


    public JMenuItem createFileExitItem() {
        JMenuItem item = new JMenuItem("Exit");
        class MenuItemListener implements ActionListener {
            public void actionPerformed(ActionEvent event) {

                System.exit(0);

            }
        }

        ActionListener listener = new MenuItemListener();
        item.addActionListener(listener);
        return item;
    }


    public JMenuItem createMoveItem(String label, final int dx, final int dy) {
        JMenuItem item = new JMenuItem(label);
        class MenuItemListener implements ActionListener {
            public void actionPerformed(ActionEvent event) {

                panel.moveRectangle(dx, dy);

            }
        }

        ActionListener listener = new MenuItemListener();
        item.addActionListener(listener);
        return item;
    }


    public JMenuItem createEditRandomizeItem() {
        JMenuItem item = new JMenuItem("Randomize");
        class MenuItemListener implements ActionListener {
            public void actionPerformed(ActionEvent event) {

                //for(int i = 0; i< 10; i++){
                int dx = -1 + generator.nextInt(3);
                int dy = -1 + generator.nextInt(3);
                panel.moveRectangle(dx, dy);//}
            }
        }

        ActionListener listener = new MenuItemListener();
        item.addActionListener(listener);
        return item;
    }

}