<?php
require_once ("vendor/autoload.php");
use Symfony\Component\Yaml\Yaml;

$config = Yaml::parse(file_get_contents('config.yml'));
$lastrun = 0;
if (file_exists('.lastrun')) {
  $lastrun = file_get_contents('.lastrun');
}
echo $lastrun;

function get_text($url) {
  $curl = curl_init();
  curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => $url,
  ));
  $resp = curl_exec($curl);
  curl_close($curl);
  return $resp;
}

$string = get_text('https://ifhub.club/rss/new/');
$service = new \Sabre\Xml\Service();
$service->elementMap = [
  '{}item' => function(\Sabre\Xml\Reader $reader) {
    return \Sabre\Xml\Deserializer\keyValue($reader, '');
  },
  '{}channel' => function(\Sabre\Xml\Reader $reader) {
    return \Sabre\Xml\Deserializer\repeatingElements($reader, '{}item');
  },
];
$articles = $service->parse($string)[0]['value'];
unset($string);
$pandoc = new \Pandoc\Pandoc();
foreach ($articles as $article) {
  if (strtotime($article['pubDate']) <= $lastrun) {
    continue;
  }
  $title = $article['title'];
  $link = $article['link'];
  $description = $article['description'];
  // $description = strip_tags($description);
  $description = $pandoc->convert($description, "html", "markdown_github");
  $description = "$title\n\n".$description;
  $description .= ": $link";

  if (!$config['DRY_RUN']) {
    try {
      $telegram = new Longman\TelegramBot\Telegram($config['API_KEY'], $config['BOT_NAME']);
      $result = \Longman\TelegramBot\Request::sendMessage([
        'chat_id' => $config['CHAT_ID'],
        'text' => $description,
        'parse_mode' => 'Markdown'
      ]);
    } catch (Longman\TelegramBot\Exception\TelegramException $e) {
      echo $e;
    }
  } else {
    echo $description;
  }
}
file_put_contents('.lastrun', time());