package battlenetemu;

import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;

/**
 *
 * @author Harry
 */
public class BattleNetEmu
{

    public static Boolean shutdown = false;

    public static final int AUTH_INFO_REQUEST = 64;

    public static void main(String[] args)
    {
        setUpSockets();
    }

    public static void setUpSockets()
    {
        try
        {
            ServerSocket entrance = new ServerSocket(1119);
            Socket s = new Socket();
            // entrance.setSoTimeout(2000);
            // s.setSoTimeout(100);
            // System.out.println(s.getSoTimeout());
            while (!shutdown)
            {
                s = entrance.accept();
                InputStream inputData = s.getInputStream();

                HandlePacket(inputData);

                /*String msg = new String();
                int a = 0;
                while ( (a = inputData.read()) != -1  )
                {
                    byte i = (byte) a;
                    String st = new Character((char)i).toString();
                    msg += st;
                }
                System.out.println(msg+"\n of length "+msg.length());*/

                inputData.close();
            }
            entrance.close();
            s.close();

        }
        catch(Exception e)
        {
            System.out.print(e.toString());
        }
    }

    public static void HandlePacket(InputStream inputData)
    {
        if (!readHeader(inputData))
        {
            System.out.println("ERROR: Failed to read packet header.");
            return;
        }
    }

    public static boolean readHeader(InputStream input)
    {
        try
        {
            int ID = input.read();
            int channel = input.read();
            if (channel != 0)
            {
                System.out.println("ERROR: Cannot handle channel: " + String.valueOf(channel) + " from packet ID: " + String.valueOf(ID));
                return false;
            }
            if (ID == AUTH_INFO_REQUEST)
            {
                for (int n = 0; n < 3; n++)
                {
                    char[] t = new char[4];
                    t[0] = (char)input.read();
                    t[1] = (char)input.read();
                    t[2] = (char)input.read();
                    t[3] = (char)input.read();
                    System.out.println("Got: " + t);
                }
            }
            else
            {
                System.out.println("ERROR: Got unhandled packet: " + String.valueOf(ID) + " on channel: " + String.valueOf(channel));
                return false;
            }
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
            return false;
        }
        return true;
    }
}