package protocoloReqResp;

import java.io.*;
import java.net.*;

public class ServerCommModule {

	public static byte[] getRequest() {
		final int PORT_NUM = 4242;
		String answer = "";
		try {
			ServerSocket listenSocket = new ServerSocket(PORT_NUM);

			Socket clientSocket = listenSocket.accept();

			ObjectInputStream in = new ObjectInputStream(clientSocket
					.getInputStream());

			Message data = (Message) in.readObject();

			String[] aux = new String(data.getArguments()).split(" ");

			int count = 0;

			switch (data.getMethodID()) {
			  case 1:
				for (int i = 0; i < aux.length; i++)
					count = count + Integer.parseInt(aux[i]);
				break;

			  case 2:
				for (int i = 0; i < aux.length; i++)
					count = count - Integer.parseInt(aux[i]);
				break;

			  default:
				for (int i = 0; i < aux.length; i++)
					count = count * Integer.parseInt(aux[i]);
				break;

			}

			answer = data.getMethodID() + '#'
					+ clientSocket.getInetAddress().toString() + '#'
					+ clientSocket.getPort() + '#' + "Resultado: " + count;


		} catch (IOException e) {
			System.out.println("Listen :" + e.getMessage());
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}

		return answer.getBytes();

	}

	public static void sendReply(byte[] reply, InetAddress clientHost,
			int clientPort) {

	}

}