<?php

require('../vendor/autoload.php');

$app = new Silex\Application();
$app['debug'] = true;

// Register the monolog logging service
$app->register(new Silex\Provider\MonologServiceProvider(), array(
  'monolog.logfile' => 'php://stderr',
));

// Register view rendering
$app->register(new Silex\Provider\TwigServiceProvider(), array(
    'twig.path' => __DIR__.'/views',
));

// Our web handlers

$app->get('/', function() use($app) {
  return 'VK Bot';
});

$app->post('/bot', function() use($app) {
  $data = json_decode(file_get_contents('php://input'));
  if (!$data)
    return 'No data';

  $count = json_decode( file_get_contents('https://api.vk.com/method/messages.getConversations?offset=0&count=100&filter=unanswered&access_token=ACCESS_TOKEN&v=5.103'))->response->count;
  if ($data->type == 'confirmation')
    return 'CONFIRMATION_CODE';
  if ($count != 0)
  {
      $request_params = array(
        'peer_id' => $data->object->message->from_id,
        'random_id' => rand(1, 2147483647),
        'message' => 'Тестирование работы PHP VK бота на Heroku',
        'access_token' => 'ACCESS_TOKEN',
        'v' => '5.103'
      );
      file_get_contents('https://api.vk.com/method/messages.send?' . http_build_query($request_params));
      echo 'ok';
  }
  return 'Error';
});

$app->run();