package me.thegeekyguy101.deobf;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JFrame implements ActionListener {

	static String tempDir = System.getProperty("java.io.tmpdir");
	public static File Deobf = new File(tempDir + "Deobf");
	public static String Deobf2 = Deobf.toString();

	private JFrame f = new JFrame("Minecraft Mod Deobf");

	private JButton source = new JButton("Select source zip");
	private JButton Run = new JButton("Start");

	public File sourceFile;

	public Main() {
		f.setLayout(new BorderLayout());

		JPanel P = new JPanel();
		P.setLayout(new FlowLayout());
		P.add(source);
		P.add(Run);
		source.addActionListener(this);
		Run.addActionListener(this);

		f.add(P, BorderLayout.CENTER);

		f.setVisible(true);
		f.setSize(550, 200);
	}

	public static void main(String[] args) {
		new Main();
	}

	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==source){
			JFileChooser chooser = new JFileChooser();
			int returnVal = chooser.showOpenDialog(null);
			if(returnVal == JFileChooser.APPROVE_OPTION) {
				sourceFile = chooser.getSelectedFile();
			}
		}
		if(e.getSource() == Run) {
			this.preDeobf();
			this.UnZip();
			try {
				this.Deobf();
			} catch (Exception e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
		}
	}

	public void UnZip() {
		try {
			byte[] data = new byte[1000];
			int byteRead;

			BufferedOutputStream bout = null;
			ZipInputStream zin = new ZipInputStream(new BufferedInputStream(new FileInputStream(sourceFile)));
			ZipEntry entry;
			while ((entry = zin.getNextEntry()) != null) {
				String filename = entry.getName();
				File newfile = new File(Deobf2 + File.separator + filename);

				System.out.println("file unzip : " + newfile.getAbsoluteFile());

				new File(newfile.getParent()).mkdirs();

				FileOutputStream fos = new FileOutputStream(newfile);

				int len;
				while ((len = zin.read(data)) > 0) {
					fos.write(data, 0, len);
				}

				fos.close();
				entry = zin.getNextEntry();
			}
			zin.closeEntry();
			zin.close();

			System.out.println("Done");
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void preDeobf() {
		if (Deobf.exists()) {
			Deobf.delete();
			Deobf.mkdir();
		} else if (!Deobf.exists()) {
			Deobf.mkdir();
		}
	}

	public void Deobf() throws Exception {
		try {
			Process p = Runtime.getRuntime().exec("cmd /c start fernflower.jar " + Deobf + " source");
			p.waitFor();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}