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package mctest;

import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Random;

/**
 *
 * @author JGomes
 */
public class Main
{

      /**
       * @param args the command line arguments
       */
      public static void main(String[] args)
      {
            System.out.println("Starting...");
            try
            {

                  Random randGen = new Random();
                  ServerSocket serverSocket = new ServerSocket(25565);
                  System.out.println("Listening on port 25565...");
                  Socket socket = serverSocket.accept();
                  System.out.println("New connection...");
                  DataInputStream in = new DataInputStream(socket.getInputStream());
                  DataOutputStream out = new DataOutputStream(socket.getOutputStream());

                  //1.receive handshake packet
                  byte id = in.readByte();
                  System.out.println("ID pacote: " + id);

                  //2.send handshake packet
                  if (id == 0x02)
                  {
                        String username = in.readUTF();
                        System.out.println("Username: " + username);

                        out.writeByte(0x02);
                        //String hash = "45cd46d72801d50";//Long.toHexString(Math.abs(randGen.nextLong()));
                        //System.out.println("Output hash: " +  hash);
                        out.writeUTF("-");
                        out.flush();

                        //3. receive login packet
                        id = in.readByte();
                        System.out.println("ID pacote: " + id);
                        if (id == 0x01)
                        {

                              int protocolVersion = in.readInt();
                              System.out.println("Protocol version: " + protocolVersion);
                              username = in.readUTF();
                              System.out.println("Username: " + username);
                              String password = in.readUTF();
                              System.out.println("password: " + password);
                              long mapseed = in.readLong();
                              System.out.println("mapseed: " + mapseed);
                              byte dimension = in.readByte();
                              System.out.println("dimension: " + dimension);

                              //4. send the login package (answer) [or kick]
                              out.writeByte(0x01);
                              out.writeUTF("");
                              out.writeUTF("");
                              out.writeLong(randGen.nextLong());
                              out.writeByte(0x00);

                              //5. send 49 pre-chunks

                              //6. send 49 chunks

                              //7. send spawn position

                              //8. send inventory

                              //9. send position and look

                              //10. receive position and look pack

                              //11. ?????

                              //12. profit!


                        }
                  }

                  //Thread.sleep(10000);
                  socket.close();
                  serverSocket.close();
                  System.out.println("Done!");


            } catch (IOException ex)
            {
                  System.out.println("IO exception: " + ex.getMessage());
            } catch (Exception ex)
            {
                  System.out.println("Exception:" + ex.getMessage());
            }
      }
}