// ==UserScript==
// @name         SC Display Languages
// @version      0.1
// @description  Displays movies audio and text languages in SC
// @author       risq
// @match        http*://secret-cinema.pw/torrents.php?id=*
// @namespace https://greasyfork.org/users/157340
// @downloadURL none
// ==/UserScript==

var torrents = unsafeWindow.jQuery('.torrent_table .torrent_row').each(function (i, el) {
  var $el = unsafeWindow.jQuery(el);
  var languages = parseText($el.next().find('> td > blockquote').text());

  var text = void 0;
  if (languages.audio.length) {
    text = 'Audio: <i><b>' + languages.audio.join(', ') + '</b></i>';

    if (languages.text.length) {
      text += ' / Text:  <i><b>' + languages.text.join(', ') + '</b></i>';
    }
  } else if (languages.text.length) {
    text = 'Text:  <i><b>' + languages.text.join(', ') + '</b></i>';
  }

  if (text) {
    $el.find('> td:first-child').append('<div style="color: #666">' + text + '</div>');
  }
});

function parseText(text) {
  var res = {
    audio: [],
    text: []
  };

  var dataFound = false;

  var blocks = text.split(/\s*\n\s*\n\s*/g).forEach(function (block) {
    var title = block.split('\n')[0].toLowerCase();
    if (title.indexOf('audio') > -1) {
      var language = /language\s*:\s*(.*)/gi.exec(block);

      if (language) {
        dataFound = true;
        res.audio.push(language[1]);
      }
    }

    if (title.indexOf('text') > -1) {
      var _language = /language\s*:\s*(.*)/gi.exec(block);

      if (_language) {
        dataFound = true;
        res.text.push(_language[1]);
      }
    }
  });

  if (!dataFound) {
    var lines = text.split(/\n/g);

    lines.forEach(function (line) {
      var audio = /.*(audio).*:(.*)/gi.exec(line);

      if (audio && isResultValid(audio[2])) {
        res.audio.push(audio[2]);
        return;
      }

      var text = /.*(subtitle|text).*:(.*)/gi.exec(line);

      if (text && isResultValid(text[2])) {
        res.text.push(text[2]);
        return;
      }
    });
  }

  return res;
}

function isResultValid(result) {
  var invalidWords = ['untouched', 'none', 'no'];

  var regexp = new RegExp('(\\b' + invalidWords.join('\\b|\\b') + '\\b)', 'gi');

  return !regexp.test(result);
}