package jetbrains.buildServer.serverSide;

import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.codec.binary.Hex;

/**
 * @author Pavel.Sher
 *         Date: 31.03.2008
 */
public class Converter {
  public static void main(String[] args) throws UnsupportedEncodingException {
    Map<String, String> single = new HashMap<String, String>();
    Map<String, String> h = new HashMap<String, String>();

    single.put("a", "à");
    single.put("b", "á");
    single.put("v", "â");
    single.put("g", "ã");
    single.put("d", "ä");
    single.put("e", "å");
    single.put("z", "ç");
    single.put("i", "è");
    single.put("k", "ê");
    single.put("l", "ë");
    single.put("m", "ì");
    single.put("n", "í");
    single.put("o", "î");
    single.put("p", "ï");
    single.put("r", "ð");
    single.put("s", "ñ");
    single.put("t", "ò");
    single.put("u", "ó");
    single.put("f", "ô");
    single.put("c", "ê");
    single.put("y", "û");
    single.put("", "ú");
    single.put("", "ü");

    single.put("j", "äæ");
    single.put("w", "â");
    single.put("q", "êé");
    single.put("x", "êc");


    single.put("A", "À");
    single.put("B", "Á");
    single.put("V", "Â");
    single.put("G", "Ã");
    single.put("D", "Ä");
    single.put("E", "Å");
    single.put("Z", "Ç");
    single.put("I", "È");
    single.put("K", "Ê");
    single.put("L", "Ë");
    single.put("M", "Ì");
    single.put("N", "Í");
    single.put("O", "Î");
    single.put("P", "Ï");
    single.put("R", "Ð");
    single.put("S", "Ñ");
    single.put("T", "Ò");
    single.put("U", "Ó");
    single.put("F", "Ô");
    single.put("C", "Ê");
    single.put("Y", "Û");

    single.put("J", "Äæ");
    single.put("W", "Â");
    single.put("Q", "Êé");
    single.put("X", "Êc");

    h.put("z", "æ");
    h.put("k", "õ");
    h.put("c", "÷");
    h.put("s", "ø");
    h.put("sh", "ù");
    h.put("e", "ý");
    h.put("t", "ç");
    h.put("w", "â");

    h.put("Z", "Æ");
    h.put("K", "Õ");
    h.put("C", "×");
    h.put("S", "Ø");
    h.put("SH", "Ù");
    h.put("E", "Ý");
    h.put("T", "Ç");
    h.put("W", "Â");

    recodeMap("single", single);
    recodeMap("h", h);

    //System.out.println(Hex.encodeHex(toByteArray(0xef8090fe)));
    System.out.println(Charset.availableCharsets().keySet());
  }

  private static void recodeMap(String prefix, final Map<String, String> single) throws UnsupportedEncodingException {
    for (Map.Entry<String, String> entry: single.entrySet()) {
      StringBuilder b = new StringBuilder();
      String str = new String(entry.getValue().getBytes());
      b.append(prefix).append("['").append(entry.getKey()).append("']='");
      for (int i=0; i< str.length(); i++) {
        CharSequence seq = str.subSequence(i, i+1);
        int cp = Character.codePointAt(seq, 0);
        b.append("\\u").append(Hex.encodeHex(toByteArray(cp)));
      }
      b.append("';\n");
      System.out.print(b);
    }
  }


  private static byte[] toByteArray(int i) {
    byte[] bytes = new byte[4];
    bytes[0] = (byte)((i >> 24) & 0xFF);
    bytes[1] = (byte)((i >> 16) & 0xFF);
    bytes[2] = (byte)((i >> 8) & 0xFF);
    bytes[3] = (byte)(i & 0xFF);

    int idx = 0;
    while (idx < bytes.length && bytes[idx] == 0 && idx<2) idx++;
    byte[] res = new byte[4-idx];
    System.arraycopy(bytes, idx, res, 0, res.length);

    return res;
  }
}