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

/**
 * Esta clase implementa al servidor del juego KaBoom, su misión es coordinar
 * el juego (establecer los turnos de juego), recibir los comandos provenientes
 * desde un programa cliente y replicarlo al resto de los jugadores (tipo echo
 * server).
 */
public class KaServer
{
   /**
    * Puerto que es atendido.
    */
   private static int port = 10000;
   
   public static void main(String[] args)
   {
      /* socket cliente 1 */
      Socket cs1;
      BufferedReader in1;
      PrintWriter out1;
      
      /* socket cliente 1 */
      Socket cs2;
      BufferedReader in2;
      PrintWriter out2;
      
      try
      {  
         int i = 1;
         ServerSocket s = new ServerSocket(port);
         
         System.out.println(s.getInetAddress().getHostAddress() + " : " + port);
         
         /* cliente 1 se conecta */
         cs1 = s.accept( );
         System.out.println("1 clientes conectados");
         in1 = new BufferedReader(new InputStreamReader(cs1.getInputStream()));
         out1 = new PrintWriter(cs1.getOutputStream(), true /* autoFlush */);
         out1.println("Bienvenido a KaServer");
         out1.println("1");
         
         /* cliente 2 se conecta */
         cs2 = s.accept( );
         System.out.println("2 clientes conectados");
         in2 = new BufferedReader(new InputStreamReader(cs2.getInputStream()));
         out2 = new PrintWriter(cs2.getOutputStream(), true /* autoFlush */);
         out2.println("Bienvenido a KaServer");
         out2.println("2");
         
         System.out.println("Iniciando juego");
         
         out1.println("END_MAP");
         out2.println("END_MAP");
         
         out1.println("END_WARRIOR");
         out2.println("END_WARRIOR");
         
         /* le toca a jugador 1 */
         out1.println("1");
         out2.println("1");
         
         int turn = 1;
         String str = null;
         BufferedReader in = null;
         PrintWriter out = null;
         String cmd = null;
         
         do
         {
            if (turn == 1)
            {
               str = "1";
               in = in1;
               out = out2;
            }
            else
            {
               str = "2";
               in = in2;
               out = out1;
            }
            
            cmd = in.readLine();
            System.out.println("client " + str + ": " + cmd);
            out.println(cmd);
            
            if (cmd.equals("END_TURN"))
            {
               if (turn == 1)
                  turn = 2;
               else
                  turn =1;
               continue;
            }
            
            if (cmd.equals("END_GAME"))
               System.exit(0);
            
         }while (!cmd.equals("END_GAME"));
      }
      catch (Exception e)
      {  
         e.printStackTrace();
         System.exit(-1);
      }
   }
}