package com.rs.cache.loaders;

import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;

import com.rs.cache.Cache;
import com.rs.io.InputStream;

public final class VarBitDefinitions {

    private static final ConcurrentHashMap<Integer, VarBitDefinitions> varpbitDefs = new ConcurrentHashMap<Integer, VarBitDefinitions>();

    public int id;
    public int baseVar;
    public int startBit;
    public int endBit;

    public static final void main(String[] args) throws IOException {
	Cache.init();
	System.out.println("There are currently: " + Cache.STORE.getIndexes()[22].getLastArchiveId() * 0x3ff + " bitConfigs.");
	// List<BitConfigDefinitions> configs = new
	// ArrayList<BitConfigDefinitions>();
	for (int i = 0; i < Cache.STORE.getIndexes()[22].getLastArchiveId() * 0x3ff; i++) {
	    VarBitDefinitions cd = getClientVarpBitDefinitions(i);
	    if (cd.baseVar == 563) {
		System.out.println("BitConfig: " + i + ", from bitshift:" + cd.startBit + ", till bitshift: " + cd.endBit+", "+cd.baseVar);
	    }
	}
    }

    public static final VarBitDefinitions getClientVarpBitDefinitions(int id) {
	VarBitDefinitions script = varpbitDefs.get(id);
	if (script != null)// open new txt document
	    return script;
	byte[] data = Cache.STORE.getIndexes()[22].getFile(id >>> 1416501898, id & 0x3ff);
	script = new VarBitDefinitions();
	script.id = id;
	if (data != null)
	    script.readValueLoop(new InputStream(data));
	varpbitDefs.put(id, script);
	return script;

    }

    private void readValueLoop(InputStream stream) {
	for (;;) {
	    int opcode = stream.readUnsignedByte();
	    if (opcode == 0)
		break;
	    readValues(stream, opcode);
	}
    }

    private void readValues(InputStream stream, int opcode) {
	if (opcode == 1) {
	    baseVar = stream.readUnsignedShort();
	    startBit = stream.readUnsignedByte();
	    endBit = stream.readUnsignedByte();
	}
    }

    private VarBitDefinitions() {

    }
}