package injected;

import com.sun.tools.attach.*;
import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.net.*;
import java.lang.reflect.*;
import java.io.*;

public class MainInjected
{
    public static void main(final String[] args) throws Exception {
        final File file1 = new File(MainInjected.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath());
        System.out.println("Starting Fitchi...");
        try {
            Class.forName("com.sun.tools.attach.VirtualMachine");
        }
        catch (ClassNotFoundException var10) {
            System.out.println("ERROR: Couldn't load VirtualMachine class, is tools.jar present?");
            return;
        }
        System.out.println("Loading attach library...");
        extractLibrary(file1);
        try {
            System.loadLibrary("attach");
        }
        catch (Exception var11) {
            System.out.println("ERROR: Couldn't load attach libary!");
            return;
        }
        System.out.println("Attach library loaded.");
        System.out.println("Searching for Minecraft JVM...");
        for (final VirtualMachineDescriptor virtualmachinedescriptor : VirtualMachine.list()) {
            if (virtualmachinedescriptor.displayName().startsWith("net.minecraft.launchwrapper.Launch")) {
                System.out.println("Minecraft found, attaching...");
                final VirtualMachine virtualmachine = VirtualMachine.attach(virtualmachinedescriptor);
                final String s = virtualmachine.getSystemProperties().getProperty("java.version");
                final String s2 = System.getProperty("java.version");
                if (!s.equals(s2)) {
                    System.out.println("WARN: fitchi and Minecraft Java version do not match, agent might fail!");
                }
                System.out.println("Loading agent...");
                try {
                    virtualmachine.loadAgent(file1.getAbsolutePath());
                }
                catch (Exception exception) {
                    System.out.println("ERROR: Agent failed to load (" + exception.getMessage() + ")!");
                    return;
                }
                System.out.println("Agent successfully loaded, detaching...");
                virtualmachine.detach();
                System.out.println("fitchi started successfully.");
                System.exit(0);
                return;
            }
        }
        System.out.println("Minecraft not found, exiting.");
        JOptionPane.showMessageDialog(null, "No Minecraft JVM found.", "fitchi", 0);
    }
    
    private static void extractLibrary(final File jarFile) throws IOException {
        final String s = System.getProperty("os.name").toLowerCase();
        final boolean flag = System.getProperty("os.arch").equals("amd64") || System.getProperty("os.arch").equals("x86_64");
        MainInjected.OperatingSystem maininjected$operatingsystem;
        if (s.indexOf("win") >= 0) {
            maininjected$operatingsystem = MainInjected.OperatingSystem.WINDOWS;
        }
        else if (s.indexOf("nix") < 0 && s.indexOf("nux") < 0 && s.indexOf("aix") <= 0) {
            if (s.indexOf("mac") < 0) {
                JOptionPane.showMessageDialog(null, "Unsupported operating system '" + s + "'.", "SpookyNan", 0);
                return;
            }
            maininjected$operatingsystem = MainInjected.OperatingSystem.OSX;
        }
        else {
            maininjected$operatingsystem = MainInjected.OperatingSystem.LINUX;
        }
        System.out.println(maininjected$operatingsystem.name() + " detected, using " + maininjected$operatingsystem.getVmClass() + ".");
        try {
            Class.forName(maininjected$operatingsystem.getVmClass());
        }
        catch (ClassNotFoundException var12) {
            System.out.println("ERROR: Couldn't load " + maininjected$operatingsystem.getVmClass() + " class, are you using the right tools.jar file for your operating system?");
            return;
        }
        final String s2 = maininjected$operatingsystem.getLibraryPath(flag);
        final URL url = ClassLoader.getSystemResource(s2);
        final File file1 = new File(jarFile.getParentFile(), s2.substring(s2.lastIndexOf("/"), s2.length()));
        if (!file1.exists()) {
            file1.deleteOnExit();
            final InputStream inputstream = url.openStream();
            final OutputStream outputstream = new BufferedOutputStream(new FileOutputStream(file1));
            final byte[] abyte = new byte[8192];
            int i;
            while ((i = inputstream.read(abyte)) > -1) {
                outputstream.write(abyte, 0, i);
            }
            outputstream.close();
            inputstream.close();
        }
        if (System.getProperty("java.library.path") != null) {
            System.setProperty("java.library.path", s2 + System.getProperty("path.separator") + System.getProperty("java.library.path"));
        }
        else {
            System.setProperty("java.library.path", s2);
        }
        try {
            final Field field = ClassLoader.class.getDeclaredField("sys_paths");
            field.setAccessible(true);
            field.set(null, null);
        }
        catch (SecurityException | IllegalArgumentException | IllegalAccessException | NoSuchFieldException ex2) {
            final Exception ex;
            final Exception var11 = ex;
            final Exception exception = null;
            exception.printStackTrace();
        }
    }
}