// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file

// for details. All rights reserved. Use of this source code is governed by a

// BSD-style license that can be found in the LICENSE file.

// Use the client program, number_guesser.dart to automatically make guesses.

// Or, you can manually guess the number using the URL localhost:4045/?q=#,

// where # is your guess.

// Or, you can use the make_a_guess.html UI.

import 'dart:io';

import 'dart:math' show Random;

int myNumber = new Random().nextInt(10);

main() async {

print("I'm thinking of a number: $myNumber");

HttpServer requestServer =

await HttpServer.bind(InternetAddress.LOOPBACK_IP_V4, 4041);

await for (var request in requestServer) {

handleRequest(request);

}

}

void handleRequest(HttpRequest request) {

try {

if (request.method == 'GET') {

handleGet(request);

} else {

request.response..statusCode = HttpStatus.METHOD_NOT_ALLOWED

..write('Unsupported request: ${request.method}.')

..close();

}

} catch (e) {

print('Exception in handleRequest: $e');

}

print('Request handled.');

}

void handleGet(HttpRequest request) {

var guess = request.uri.queryParameters['q'];

request.response.statusCode = HttpStatus.OK;

if (guess == myNumber.toString()) {

request.response..writeln('true')

..writeln("I'm thinking of another number.")

..close();

myNumber = new Random().nextInt(10);

print("I'm thinking of another number: $myNumber");

} else {

request.response..writeln('false')

..close();

}

}