import javax.imageio.*;
import java.awt.image.*;
import java.awt.event.*;
import java.awt.*;
import java.security.NoSuchAlgorithmException;
import java.security.MessageDigest;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.*;
import java.util.concurrent.*;
import java.util.regex.*;
import java.util.List;
import java.util.zip.*;
import java.util.*;


public class main {
  static JTextArea textArea;
  static float fontSize = 24f;
  static String fontSnippet =
    //"#1000970"
    "#1000973" // Classic Trash 1
    ;
  static String thinking = "[...]";
  
  static Font loadFont() { try {
 
    return Font.createFont(Font.TRUETYPE_FONT, loadLibrary(fontSnippet)).deriveFont(fontSize);
  
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  
  public static void main(String[] args) throws Exception {
    print("Chat ID: " + get(getJavaX(), "chatSend_id"));
    
    textArea = new JTextArea();
    textArea.setFont(loadFont());
    textArea.setMargin(new Insets(10, 10, 10, 10));
    
    textArea.addKeyListener(new KeyAdapter() {
      public void keyPressed(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_ENTER && e.getModifiers() == 0) {
          enterPressed();
        }
      }
    });
    
    makeFrame("Dialog 2", new JScrollPane(textArea));
    sleep(); // important for auto-logging as of now
  }
  
  
  static void enterPressed() {
    String text = textArea.getText();
    int idx = textArea.getCaretPosition();
    
    // move to end of line first
    while (idx < text.length() && text.charAt(idx) != '\n') ++idx;
    textArea.setCaretPosition(idx);
    
    //print(quote(text.substring(0, idx)));
    int lineStart = text.lastIndexOf("\n", idx-1);
    //print(lineStart + " " + idx);
    final String line = text.substring(lineStart+1, idx);
    print("?? " + line);
    type(thinking);
    Thread _t = new Thread() {
public void run() {
try {

      processLine(line);
    } catch (Exception _e) {
  throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t.start();
  }
  
  static void processLine(String line) {
    sleep(1000);
    answer("hihi");
  }
  
  static void answer(final String s) {
    SwingUtilities.invokeLater(new Runnable() {
public void run() {
try {

      print("!! " + s);
      String text = textArea.getText();
      int idx = text.indexOf(thinking);
      if (idx < 0) {
        print("Weird! Maybe user edited?");
        return;
      }
      int cursor = textArea.getCaretPosition();
      textArea.replaceRange(s, idx, idx+thinking.length());
      if (cursor > idx+thinking.length())
        textArea.setCaretPosition(cursor+s.length()-thinking.length());
    } catch (Exception _e) {
  throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
});
  }
  
  static void type(String bla) {
    print("!! " + bla);
    textArea.insert("\n" + bla, textArea.getCaretPosition());
  }

static File loadLibrary(String snippetID) {
  return loadBinarySnippet(snippetID);
}

static Class __javax;

static Class getJavaX() {
  return __javax;
}

static void makeFrame(Component content) {
  // TODO: get program ID
  makeFrame("A JavaX Frame", content);
}

static void makeFrame(String title, Component content) {
  JFrame frame = new JFrame(title);
  frame.getContentPane().add(content);
  frame.setBounds(300, 100, 500, 400);
  frame.setVisible(true);
  exitOnFrameClose(frame);
}

static void sleep(long ms) {
  try {
    Thread.sleep(ms);
  } catch (Exception e) { throw new RuntimeException(e); }
}

static void sleep() { try {
 
  synchronized(main.class) { main.class.wait(); }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static void print() {
  System.out.println();
}

static void print(Object o) {
  System.out.println(o);
}

static void print(long i) {
  System.out.println(i);
}

static Object get(Object o, String field) {
  if (o instanceof Class) return get((Class) o, field);
  try {
    Field f = get_findField(o.getClass(), field);
    f.setAccessible(true);
    return f.get(o);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Object get(Class c, String field) {
  try {
    Field f = get_findStaticField(c, field);
    f.setAccessible(true);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Field get_findStaticField(Class<?> c, String field) {
  for (Field f : c.getDeclaredFields())
    if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
      return f;
  throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}

static Field get_findField(Class<?> c, String field) {
  for (Field f : c.getDeclaredFields())
    if (f.getName().equals(field))
      return f;
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}

static File loadBinarySnippet(String snippetID) { try {
 
  long id = parseSnippetID(snippetID);
  File f = DiskSnippetCache_getLibrary(id);
  if (f == null) {
    byte[] data = loadDataSnippetImpl(snippetID);
    DiskSnippetCache_putLibrary(id, data);
    f = DiskSnippetCache_getLibrary(id);
  }
  return f;

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

  static void exitOnFrameClose(JFrame frame) {
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }


  
  // Data files are immutable, use centralized cache
public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
  File file = new File(getGlobalCache(), "data_" + snippetID + ".jar");
  return file.exists() ? file : null;
}

public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
  saveBinaryFile(new File(getGlobalCache(), "data_" + snippetID).getPath() + ".jar", data);
}

static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
  byte[] data;
  try {
    URL url = new URL("http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_"
      + parseSnippetID(snippetID) + "&contentType=application/binary");
    System.err.println("Loading library: " + url);
    data = loadBinaryPage(url.openConnection());
    System.err.println("Bytes loaded: " + data.length);
  } catch (FileNotFoundException e) {
    throw new IOException("Binary snippet #" + snippetID + " not found or not public");
  }
  return data;
}

public static long parseSnippetID(String snippetID) {
  return Long.parseLong(shortenSnippetID(snippetID));
}

static File getGlobalCache() {
  File file = new File(userHome(), ".tinybrain/snippet-cache");
  file.mkdirs();
  return file;
}


static byte[] loadBinaryPage(String url) throws IOException {
  return loadBinaryPage(new URL(url).openConnection());
}

public static byte[] loadBinaryPage(URLConnection con) throws IOException {
  //setHeaders(con);
  ByteArrayOutputStream buf = new ByteArrayOutputStream();
  InputStream inputStream = con.getInputStream();
  int n = 0;
  while (true) {
    int ch = inputStream.read();
    if (ch < 0)
      break;
    buf.write(ch);
    if (++n % 100000 == 0)
      System.err.println("  " + n + " bytes loaded.");
  }
  inputStream.close();
  return buf.toByteArray();
}


  /** writes safely (to temp file, then rename) */
  public static void saveBinaryFile(String fileName, byte[] contents) throws IOException {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    FileOutputStream fileOutputStream = new FileOutputStream(tempFileName);
    fileOutputStream.write(contents);
    fileOutputStream.close();
    if (file.exists() && !file.delete())
      throw new IOException("Can't delete " + fileName);

    if (!new File(tempFileName).renameTo(file))
      throw new IOException("Can't rename " + tempFileName + " to " + fileName);
  }


static String shortenSnippetID(String snippetID) {
  if (snippetID.startsWith("#"))
    snippetID = snippetID.substring(1);
  String httpBlaBla = "http://tinybrain.de/";
  if (snippetID.startsWith(httpBlaBla))
    snippetID = snippetID.substring(httpBlaBla.length());
  return snippetID;
}

static String _userHome;
static String userHome() {
  if (_userHome == null) {
    if (isAndroid())
      _userHome = "/storage/sdcard0/";
    else
      _userHome = System.getProperty("user.home");
    //System.out.println("userHome: " + _userHome);
  }
  return _userHome;
}


static boolean isAndroid() { return System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0; }
}