Banner = function(id, code)
{
  var _id = id;
  var _code = code;
  var _index = -1;

  return {
    getId: getId,
    getCode: getCode,
    setIndex: setIndex,
    getIndex: getIndex
  }
  
  function getId()
  {
    return _id;
  }
  
  function getCode()
  {
    return _code;
  }
  
  function setIndex(index)
  {
    _index = index;
  }
  
  function getIndex()
  {
    return _index;
  }
}

BannerManager = function ()
{
  var debug = false;
  var timeOut = 8000;
  var currentBanner = 0;
  var banners = [];
  var timeoutId = null;
  var bannersToRemove = [];

  return {
    start: start,
    changeBanner: changeBanner,
    addBanner: addBanner,
    removeBanner: removeBanner
  }

  function log(message) {
    if (debug) {
      console.log(message);
    }
  }

  function addBanner(id, code)
  {
    log('Adding Banner: ' + id);
    banners.push (new Banner(id, code));
  }

  function removeBanner(id)
  {
    log("Removing Banner: " + id);
    for(var i = 0; i < banners.length; i ++)
    {
      if (banners[i].getId() == id)
      {
          var banner = getBanner(banners[i].getIndex());
          var currentlyDisplayed = getCurrentlyDisplayedBanner();

          // If we are displaying the banner that is being removed move to the
          // next banner in the rotation.
          if (banner.selector === currentlyDisplayed.selector)
          {
			   log("Currently displayed banner is being removed!");
            changeBanner();
          }

          var removedElements = banners.splice(i, 1);
          bannersToRemove.push(banner);
          break;
      }
    }
    if (banners.length == 0) {
	   var container = $('#banner_container');
		if (timeoutId != null)
      {
        window.clearTimeout(timeoutId);
      }

		container.fadeOut(1000, function() { container.remove(); });
	 }
  }

  function start()
  {
	 if (banners.length > 0) {
	    loadBanners();
   	 changeBanner();
	} else {
		var container = $('#banner_container');
		container.remove();
	}
  }

  function loadBanners()
  {
    var container = $('#banner_container');
    for (var i = 0; i < banners.length; i++)
    {
      var code = '<div id="banner' + i + '" style="display:none;" class="banner">' + banners[i].getCode() + '</div>';
      container.append(code);

      banners[i].setIndex(i);
    }
  }

  function changeBanner()
  {
    if (timeoutId != null)
    {
      window.clearTimeout(timeoutId);
    }

    var banner = getCurrentlyDisplayedBanner();
    changeBannerCounter();
    var newBanner = getCurrentlyDisplayedBanner();

    if ((banner.selector === newBanner.selector) && (banners.length <= 1))
    {
      if (!banner.is(':visible'))
      {
        showBanner();
      }
      return;
    }

    banner.fadeOut(1000, showBanner);
    if (banners.length > 1)
    {
      timeoutId = window.setTimeout('BannerManager.changeBanner()', timeOut);
    }
  }

  function changeBannerCounter()
  {
    currentBanner ++;
    if (currentBanner >= banners.length)
    {
      currentBanner = 0;
    }
  }

  function showBanner()
  {
    var banner = getCurrentlyDisplayedBanner();
    banner.fadeIn(1000, checkRemoval);
  }
  
  function checkRemoval()
  {
    if (bannersToRemove.length > 0)
    {
      for(var i = 0; i < bannersToRemove.length; i ++)
      {
        var banner = bannersToRemove[i];
        banner.remove();
      }
      bannersToRemove = [];
    }
  }

  function getCurrentlyDisplayedBanner()
  {
    var index = banners[currentBanner].getIndex();
    return getBanner(index);
  }

  function getBanner(index)
  {
    var banner = $('#banner' + index);
    return banner;
  }
}();

// start the fun
BannerManager.addBanner('1spinsplosion', '<a href="http://www.binions.com/gaming/all_access/spinsplosion.php" target="_blank"><img src="img/banners/2022/dec/spinsplosion.jpg" alt="Spinsplosion Daily Promotion at Binions" border="0"></a>');
BannerManager.addBanner('2welcome_back', '<a href="https://book.rguest.com/onecart/wbe/offers/667/FourQueens" target="_blank"><img src="img/banners/2020/may/welcome_back.jpg" alt="Welcome Back to the Four Queens" border="0"></a>');
BannerManager.addBanner('3free_slot_play', '<a href="img/banners/2024/apr/free_slot_play_flyer.jpg" target="_blank"><img src="img/banners/2024/apr/free_slot_play.jpg" alt="April and May Promotion at The Four Queens" border="0"></a>');
BannerManager.addBanner('4fun_book', '<a href="https://book.rguest.com/onecart/wbe/offers/667/FourQueens" target="_blank"><img src="img/banners/2022/oct/fun_book.jpg" alt="Free Fun Book from The Four Queens" border="0"></a>');
BannerManager.addBanner('6all_access', '<a href="gaming/all_access/index.php"><img src="img/banners/2022/dec/all-access.jpg" alt="All Access Club The Four Queens" border="0"></a>');

BannerManager.start();