!636 // for includes

!stringfunc {

!1000868 // dialogHandler shortcut

!include #1001065 // Dialog classes

static int answerQuestions_defaultPort = 5000;

static void answerQuestionsOnPort(final StringFunc f) {

  answerQuestionsOnPort(answerQuestions_defaultPort, f);

}

static void answerQuestionsOnPort(int port, final StringFunc f) {

  startDialogServer(port, dialogHandler {

    String dialogID = randomID(8);

    io.sendLine("Your ID: " + dialogID);

    while (io.isStillConnected()) {

      if (io.waitForLine()) {

        String line = io.readLineNoBlock();

        S s = dialogID + " at " + now() + ": " + quote(line);

        print(s);

        if (line == "bye") {

          io.sendLine("bye stranger");

          return;

        }

        S answer = answerQuestions_getAnswer(line, f);

        io.sendLine(answer == null ? "null" : answer);

        //appendToLog(logFile, s);

      }

    }

  });

}

static S answerQuestions_getAnswer(S line, StringFunc f) {

  S answer;

  try {

    answer = f.get(line);

  } catch (Throwable e) {

    e.printStackTrace();

    answer = e.toString();

  }

  print("> " + answer);

  return answer;

}

static void answerQuestionsOnPortAndConsole(final StringFunc f) {

  answerQuestionsOnPortAndConsole(answerQuestions_defaultPort, f);

}

static void answerQuestionsOnPortAndConsole(int port, final StringFunc f) {

  answerQuestionsOnPort(port, f);

  print("You may also type on this console.");

  S line;

  while ((line = readLine()) != null) {

    if (line == "bye")

      print("! bye stranger");

    else

      answerQuestions_getAnswer(line, f); // prints answer on console too

  }

}