package com.rscd.packethandler;

import com.rscd.model.Player;
import com.rscd.packet.Packet;
import org.apache.mina.common.IoSession;

public class Chat extends GameEnginePacketHandler {

	public void handlePacket(Packet p, IoSession session) {
		System.out.println("Chat Stuff goes here");
	}



public static long playerNameToInt64(String s)
	{
		long l = 0L;
		for(int i = 0; i < s.length() && i < 12; i++) {
			char c = s.charAt(i);
			l *= 37L;
			if(c >= 'A' && c <= 'Z') l += (1 + c) - 65;
			else if(c >= 'a' && c <= 'z') l += (1 + c) - 97;
			else if(c >= '0' && c <= '9') l += (27 + c) - 48;
		}
		while(l % 37L == 0L && l != 0L) l /= 37L;
		return l;
	}


    private static char decodeBuf[] = new char[4096];
	public static String textUnpack(byte packedData[], int size)
	{
		int idx = 0, highNibble = -1;
		for(int i = 0; i < size*2; i++) {
			int val = packedData[i/2] >> (4-4*(i%2)) & 0xf;
			if(highNibble == -1) {
				if(val < 13) decodeBuf[idx++] = xlateTable[val];
				else highNibble = val;
			}
			else {
				decodeBuf[idx++] = xlateTable[((highNibble<<4) + val) - 

195];
				highNibble = -1;
			}
		}


		return new String(decodeBuf, 0, idx);
    }

	public static String optimizeText(String text)
	{
		char buf[] = text.toCharArray();
		boolean endMarker = true;	// marks the end of a sentence to make 

the next char capital
		for(int i = 0; i < buf.length; i++) {
            char c = buf[i];
            if(endMarker && c >= 'a' && c <= 'z') {
				buf[i] -= 0x20;	// transform lower case into upper case
				endMarker = false;
			}
			if(c == '.' || c == '!' || c == '?') endMarker = true;
		}
		return new String(buf, 0, buf.length);
	}

	public static void textPack(byte packedData[], java.lang.String text)
	{
		if(text.length() > 80) text = text.substring(0, 80);
		text = text.toLowerCase();

		int carryOverNibble = -1;
		int ofs = 0;
		for(int idx = 0; idx < text.length(); idx++) {
			char c = text.charAt(idx);
			int tableIdx = 0;
			for(int i = 0; i < xlateTable.length; i++) {
				if(c == xlateTable[i]) {
					tableIdx = i;
					break;
				}
			}
			if(tableIdx > 12) tableIdx += 195;
			if(carryOverNibble == -1) {
				if(tableIdx < 13) carryOverNibble = tableIdx;
				else packedData[ofs++] = (byte)(tableIdx);
			}
			else if(tableIdx < 13) {
				packedData[ofs++] = (byte)((carryOverNibble << 4) + 

tableIdx);
				carryOverNibble = -1;
			}
			else {
				packedData[ofs++] = (byte)((carryOverNibble << 4) + 

(tableIdx >> 4));
				carryOverNibble = tableIdx & 0xf;
			}
		}

		if(carryOverNibble != -1) packedData[ofs++] = (byte)(carryOverNibble << 

4);
	}

	public static char xlateTable[] = {
		' ', 'e', 't', 'a', 'o', 'i', 'h', 'n', 's', 'r', 
		'd', 'l', 'u', 'm', 'w', 'c', 'y', 'f', 'g', 'p', 
		'b', 'v', 'k', 'x', 'j', 'q', 'z', '0', '1', '2', 
		'3', '4', '5', '6', '7', '8', '9', ' ', '!', '?', 
		'.', ',', ':', ';', '(', ')', '-', '&', '*', '\\', 
		'\'', '@', '#', '+', '=', '\243', '$', '%', '"', '[', 
		']'
	};