<?php
namespace Source;

use \Game;
use \Symfony\Component\DomCrawler\Crawler;

class Steam extends Source {
  public $title = "Steam";
  protected $months = [
    'янв.' => 'January',
    'фев.' => 'February',
    'мар.' => 'March',
    'апр.' => 'April',
    'мая.' => 'May',
    'июн.' => 'June',
    'июл.' => 'July',
    'авг.' => 'August',
    'сен.' => 'September',
    'окт.' => 'October',
    'ноя.' => 'November',
    'дек.' => 'December',
  ];
  protected function parse_tag($tag) {
    $url = 'http://store.steampowered.com/search/';
    $url .= '?'.http_build_query([
      'sort_by' => 'Released_DESC',
      'term' => $tag,
      'displayterm' => $tag,
      'category1' => 998, // only games
    ]);
    $text = $this->get_text($url);
    $this->loadStr($text);
    unset($text);
    $this->dom->filter('#search_result_container a.search_result_row')->each(function($gameLink){
      $url = $gameLink->attr('href');
      $url = substr($url,0,strpos($url, '?')); // remove query string
      $game = $this->page($url);
      $date = $game->date->format('U');
      if ($date < $this->period) return;
      $this->output .= $game->print();
    });
  }
  protected function parse() {
    $this->parse_tag("text-based");
  }
  public function checkPage($url) {
    return (strpos($url,'http://store.steampowered.com/') !== FALSE);
  }
  public function page($url) {
    $this->cookies = 'mature_content=1; Steam_Language=russian';
    $text = $this->get_text($url);
    $game_page = new Crawler($text);
    unset($text);

    $game = new Game;
    $game->url = $url;
    $game->title = trim($game_page->filter('div.apphub_AppName')->first()->text());
    $game->description = trim($game_page->filter('div.game_description_snippet')->first()->text());
    $game->author = trim($game_page->filter('div#developers_list')->first()->text());
    if (strpos($game->author, ',') !== FALSE) {
      $game->author = explode(',', $game->author);
      $game->author = array_map('trim', $game->author);
    }
    $game->image = $game_page->filter('img.game_header_image_full')->first()->attr('src');
    $game->categories = 'Коммерческая ИЛ';
    $languages = $game_page->filter('.game_language_options tr td:first-child');
    $game->language = [];
    foreach ($languages as $language) {
      $game->language[] = trim($language->nodeValue);
    }
    $game->language = implode(', ', $game->language);
    $date = $game_page->filter('div.date')->first()->text();
    $game->date = \DateTime::createFromFormat('d M, Y', $date);
    if ($game->date === FALSE) { // если Steam отдал страницу на русском
      foreach ($this->months as $ruM => $enM) {
        $date = str_replace($ruM, $enM, $date);
      }
      $game->date = \DateTime::createFromFormat('d F Y', $date);
    }
    return $game;
  }
}