import java.awt.Color;
import java.awt.Graphics;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.net.UnknownHostException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class Loader
  extends JFrame
  implements Runnable
{
  private static final int VERSION = 4;
  private static String loadingText = "Launching US2..";
  private static int loadingProgress = 95;
  private boolean waitingForDownload = true;
  private final ExecutorService workService = Executors.newSingleThreadExecutor();
  private int expectedVersion;
  private String expectedHash;
  private String upgradeUrl;
  private boolean outOfDate;
  private String webclientJar;
  private final File localJar = new File(Utilities.findcachedir() + "US2.jar");
  private Thread thread = new Thread(this, "US2 Launcher");

  public void startThread()
  {
    this.thread.start();
  }

  public static void setLoadingText(int loadingProgress, String loadingText)
  {
    loadingProgress = loadingProgress;
    loadingText = loadingText;
  }

  public String generateHash()
  {
    File file = new File(Utilities.findcachedir() + "US2.jar");
    byte[] bytes = null;
    try
    {
      bytes = Utilities.getBytesFromFile(file);
    }
    catch (IOException e)
    {
      e.printStackTrace();
      return "unknown";
    }
    return MD5HashGenerator.getHash(bytes);
  }

  public boolean readWebsiteConfigurations()
  {
    BufferedReader reader = null;
    try
    {
      URL url = new URL("http://server.ultimatescape2.com/client_config.cfg");
      conn = url.openConnection();
      conn.addRequestProperty("User-Agent",
        "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
      conn.setConnectTimeout(10000);
      conn.setReadTimeout(10000);
      reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    }
    catch (Exception e)
    {
      setLoadingText(100, "Error connecting to server. Please try again later.");
      e.printStackTrace();
    }
    try
    {
      if (reader != null)
      {
        String line = null;
        while ((line = reader.readLine()) != null) {
          if (!line.startsWith("#"))
          {
            line = line.trim();
            if (line.startsWith("loader_version")) {
              this.expectedVersion = Integer.parseInt(line.substring(line.indexOf('=') + 1));
            } else if (line.startsWith("loader_hash")) {
              this.expectedHash = line.substring(line.indexOf('=') + 1);
            } else if (line.startsWith("upgrade_url")) {
              this.upgradeUrl = line.substring(line.indexOf('=') + 1);
            } else if (line.startsWith("webclient_jar")) {
              this.webclientJar = line.substring(line.indexOf('=') + 1);
            }
          }
        }
        setLoadingText(100, "Lauching US2 Client..");
        return true;
      }
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
    finally
    {
      if (reader != null) {
        try
        {
          reader.close();
        }
        catch (IOException e)
        {
          e.printStackTrace();
        }
      }
    }
    if (reader != null) {
      try
      {
        reader.close();
      }
      catch (IOException e)
      {
        e.printStackTrace();
      }
    }
    return false;
  }

  public static void main(String[] args)
  {
    Loader loader = new Loader();
    loader.startThread();

    loader.setVisible(true);
  }

  public void run()
  {
    for (;;)
    {
      try
      {
        Thread.sleep(50L);
      }
      catch (InterruptedException e)
      {
        break;
      }
      super.repaint();
    }
  }

  public void paint(Graphics g)
  {
    int x = 33;
    int y = 25;
    int width = 773;
    int height = 538;
    g.setColor(Color.BLACK);
    g.fillRect(0, 0, width, height);
    g.setColor(Color.RED);
    g.drawRect(x, y, width - 72, height - 508);
    g.fillRect(x + 2, y + 2, loadingProgress * ((width - 3) / 100) - 2, 27);
    g.setColor(Color.WHITE);
    g.drawString(loadingText, 310, 45);
  }

  public Loader()
  {
    setTitle("US2 Launcher - http://ultimatescape2.com");
    setDefaultCloseOperation(3);
    setUndecorated(true);
    setSize(760, 80);
    setLocationRelativeTo(null);
    setVisible(true);




    final Loader instance = this;




    setLoadingText(95, "Launching US2 Client...");




    this.workService.submit(new Runnable()
    {
      boolean initiateDownload = Loader.this.readWebsiteConfigurations();

      public void run()
      {
        if (4 < Loader.this.expectedVersion)
        {
          int option = JOptionPane.showOptionDialog(instance, "A newer version of the client loader is available.", "Update Available", -1, 1, null, new Object[] { "Download (Recommended)", "Continue" }, Integer.valueOf(0));
          Loader.this.outOfDate = true;
          if (option == 0)
          {
            Utilities.launchURL(Loader.this.upgradeUrl);
            System.exit(0);
            return;
          }
        }
        if ((Loader.this.expectedHash != null) && (Loader.this.localJar.exists()))
        {
          byte[] bytes = null;
          try
          {
            bytes = Utilities.getBytesFromFile(Loader.this.localJar);
          }
          catch (IOException e)
          {
            Loader.setLoadingText(100, "Error code 106");
            e.printStackTrace();
          }
          if (bytes != null)
          {
            String hash = MD5HashGenerator.getHash(bytes);
            if (!hash.equals(Loader.this.expectedHash)) {
              Loader.this.localJar.delete();
            } else {
              this.initiateDownload = false;
            }
          }
        }
        if (this.initiateDownload) {
          try
          {
            Utilities.download(Loader.this.webclientJar, Loader.this.localJar);
          }
          catch (UnknownHostException e)
          {
            Loader.setLoadingText(0, "Error connecting to server!");
          }
          catch (Exception e)
          {
            Loader.setLoadingText(0, "Error code 100");
            e.printStackTrace();
          }
        }
        Loader.this.waitingForDownload = false;
      }
    });
    while (this.waitingForDownload) {
      try
      {
        Thread.sleep(50L);
      }
      catch (InterruptedException e)
      {
        e.printStackTrace();
      }
    }
    this.workService.submit(new Runnable()
    {
      public void run()
      {
        try
        {
          Runtime.getRuntime().exec("java -Xmx1024m -jar " + Loader.this.localJar.getAbsolutePath());
        }
        catch (IOException e1)
        {
          e1.printStackTrace();
        }
        Loader.this.workService.shutdown();
        System.exit(0);
      }
    });
  }
}