package games.pokenation.client;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.lang.reflect.InvocationTargetException;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

public class TestApplet extends JFrame {

    private JLabel memoryLabel;

    public void init() {
        memoryLabel = new JLabel("Hit the update button");
        JButton updateMemory = new JButton("Update Memory Info");
        updateMemory.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int megs = 7;
                byte[][] bytes = new byte[2000][];
                int i = 0;
                while (true) {
                    try {
                        bytes[i % 2000] = new byte[megs * 1024 * 1024];
                        i++;
                    } catch (OutOfMemoryError e1) {
                        bytes = null;//-.-
                        break;
                    }
                }

                bytes = null;//-.-
                final Runtime rt = Runtime.getRuntime();
                rt.gc();
                rt.gc();
                final long maxMem = rt.maxMemory();
                final long totalMem = rt.totalMemory();
                final long freeMem = rt.freeMemory();
                final double bpmb = 1024 * 1024;
                memoryLabel.setText(String.format("Max=%1.2f MB Total=%1.2f MB Free=%1.2f MB Used=%1.2f MB", maxMem / bpmb,
                    totalMem / bpmb, freeMem / bpmb, (totalMem - freeMem) / bpmb));
            }
        });
        add(memoryLabel, BorderLayout.NORTH);
        add(updateMemory, BorderLayout.SOUTH);
    }

    public static void main(final String[] args) throws
        InvocationTargetException, InterruptedException {
        final TestApplet applet = new TestApplet();
        EventQueue.invokeAndWait(new Runnable() {
            public void run() {

                applet.init();

                applet.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                applet.setSize(500, 200);
                applet.validate();
                applet.setVisible(true);
            }
        });
    }
}