// Purpose.  MasterMind server derived class

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

public class MasterMindServer extends ServerBaseClass {
   private int answer[]     = new int[4];
   private int answerNums[] = new int[7];

   public MasterMindServer() {
      for (int i=0; i < 4; i++) answer[i] = (int) (Math.random()*1000) % 6 + 1;
      for (int i=0; i < 4; i++) answerNums[ answer[i] ]++;
      System.out.print( "MasterMindServer: " );
      for (int i=0; i < 4; i++) System.out.print( answer[i] + " " );
      System.out.println();
   }
   public void run( Socket s ) {
      try {
         System.out.println("MasterMindServer.run(Socket): entry");
         DataInputStream  inn = new DataInputStream( s.getInputStream() );
         DataOutputStream out = new DataOutputStream( s.getOutputStream() );
         int[] input     = new int[4];
         int[] inputNums = new int[7];
         int[] bw        = new int[2];
         while (true) {
            for (int i=0; i < 7; i++) inputNums[i] = 0;
            for (int i=0; i < 2; i++) bw[i] = 0;
            for (int i=0; i < 4; i++)
               input[i] = inn.readInt();
            for (int i=0; i < 4; i++)
               inputNums[ input[i] ]++;
            for (int i=0; i < 4; i++)
               if (input[i] == answer[i]) bw[0]++;
            for (int i=1; i < 7; i++)
               bw[1] += (inputNums[i] < answerNums[i]) ?
                         inputNums[i] : answerNums[i];
            bw[1] = bw[1] - bw[0];
            for (int i=0; i < 2; i++)
               out.writeInt( bw[i] );
         }
      } catch( IOException e ) { e.printStackTrace(); }
   }
   public static void main( String[] args ) {
      MasterMindServer server = new MasterMindServer();
      server.startServer( 8189 );
}  }

//////// master thread/server initializing
// MasterMindServer: 1 5 4 3
// startServer: entry
// startServer: before runner.start()
// ServerBaseClass.run(): entry
//////// a MasterMindClient creates a Socket( "127.0.0.1", 8189 )
//    before newSocket.runner.start()
// ServerBaseClass.run(): entry
// MasterMindServer.run(Socket): entry
//////// another MasterMindClient creates a Socket( "127.0.0.1", 8189 )
//    before newSocket.runner.start()
// ServerBaseClass.run(): entry
// MasterMindServer.run(Socket): entry
//////// a MasterMindClient solves the puzzle and exits
// java.net.SocketException: Connection reset by peer:
//         at java.io.DataInputStream.readInt(DataInputStream.java:369)
//         at MasterMindServer.run(MasterMindServer.java:71)
//         at ServerBaseClass.run(MasterMindServer.java:42)
//         at java.lang.Thread.run(Thread.java:490)



// Purpose.  MasterMind client

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

class MasterMindClient {
   public static void main( String[] args ) {
      try {
         Socket s = new Socket( "127.0.0.1", 8189 );
         DataInputStream  inn = new DataInputStream( s.getInputStream() );
         DataOutputStream out = new DataOutputStream( s.getOutputStream() );
         while (true) {
            int num[] = new int[4];
            int bw[]  = new int[2];

            // prompt for input from the user
            System.out.print( "Input: " );

            // read 4 integers from standard-in
            for (int i=0; i < 4; i++) num[i] = Read.cinInt();

            // pass the user input to the MasterMindServer via the socket
            for (int i=0; i < 4; i++) out.writeInt( num[i] );

            // retrieve the response from the MasterMindServer via the socket
            for (int i=0; i < 2; i++) bw[i] = inn.readInt();

            // forward the response to standard-out
            System.out.println( "                 " + bw[0] + "  " + bw[1] );

            // if the puzzle is solved, exit
            if (bw[0] == 4) break;
         }
         s.close();
      } catch( IOException e ) { e.printStackTrace(); }
   }
}

// Input: 1 1 2 2
//                   1  0
// Input: 3 3 4 4
//                   1  1
// Input: 3 4 2 5
//                   0  3
// Input: 4 3 6 2
//                   0  2
// Input: 1 5 4 3
//                   4  0