// Allow CSS to prevent the initial flash of content before the DOM is ready.
$('html').addClass('js');

// Plug-in function to apply appropriate classes to clickable <div> or <span> elements.
$.fn.makeClickable = function(callback1, callback2) {
  $(this)
    .addClass('clickable')
    .hover(function() {
      $(this).addClass('hover');
    }, function() {
      $(this).removeClass('hover');
    });
  if (callback2 == null) {
    return $(this).click(callback1);
  }
  else {
    return $(this).toggle(callback1, callback2);
  }
};

// The following code executes once, after the DOM is fully loaded.
$(document).ready(function() {
  $('body').addClass('product-finder');

  $('<div class="ad"></div>').appendTo('#product-results').load('ads/index.htm');

  $('.product-search-criterion').hide();

  $('.product-search-criterion h4').each(function() {
    var $criterionName = $(this);
    var $criterion = $criterionName.parent();
    
    $criterionName
      .insertBefore('#product-search-criteria-names *:last')
      .makeClickable(function() {expandCriteria(this, $criterion)});
  });

	function expandCriteria(clickedElement, criterion) {
		resetSearch();
    $(clickedElement).siblings().removeClass('selected').end().addClass('selected');
		$('.product-search-criterion').hide();
		criterion.slideDown();
	}
  
  // Plug-in to create a "hierarchy name" from one of the displayed trees.
  // This is the counterpart to the "printCategoryTree()" function in the Perl
  // code that generates the page.
  $.fn.hierarchyName = function() {
    return $(this)
      .add($(this).parents('li')).find('> span')
      .map(function(){
        return $(this).text();
      })
      .get()
      .reverse()
      .join(' - ');
  };
  
  // Clear all the search results when the user does something like switch their
  // search type.
  function resetSearch() {
    resetFilter();
    $('.product-search-criterion li').removeClass('selected');
    $('.product-result').removeClass('found');
    $('.product-result-category').hide();
    // $('#product-results > .ad').show();
  }
  
  // Show the categories that have visible products. This includes preparing
  // the filter selections for the revealed categories.
  function revealCategories(filterType) {
    $('.product-result-category').hide();
    $('.product-result-category:has(.product-result:visible)')
      .show()
      .each(function() {
        var $category = $(this);
        $category.find('.product-filter').empty();
        
        // The filter box is only applicable if at least two products are in
        // the category.
        if ($category.find('.product-result:visible').length > 1) {
          var filterLabel = filterType == 'product-search-applications' ? 'Application' : 'Product Type';
          var $filterHeader = $('<h4>Filter by ' + filterLabel + '</h4>').makeClickable(function() {
            var $filter = $('#' + filterType).clone().removeAttr('id').insertAfter(this);
            $filter.find('*').removeClass().show();
            $filter.find('li').hide();
          
            var found = {};
            $category.find('.product-result.found ul.' + filterType + ' li').each(function() {
              var text = $(this).text();
              if (found[text]) return;
              found[text] = true;

              var $item = $filter;
              $.each(text.split(' - '), function(index, value) {
                $item = $item.find('> ul > li').filter(function() {
                  return $(this).find('> span').text() == value;
                }).show();
              });
            });
          
            // Handle clicks on the leaf nodes within the filter dropdown. A
            // click here adds the "filtered" class to appropriate products,
            // hiding them from view.
            $filter.find('li:visible:not(:has(li))').makeClickable(function() {
              var $filterItem = $(this);
              var $results = $category.find('.product-result');
              var value = $filterItem.hierarchyName();

              // Highlight the selected item.
              $filter.find('li').removeClass('selected');
              $filterItem.addClass('selected');

              // Show the correct products.
              $results
                .addClass('filtered')
                .filter(function() {
                  var found = false;
                  $(this).find('ul.' + filterType + ' li').each(function() {
                    found = found || $(this).text() == value;
                  });
                  return found;
                })
                .removeClass('filtered');
            });

            $(this).addClass('selected');
            $filter.slideDown();
          }, function() {
            $(this).removeClass('selected').next().remove();
            resetFilter();
          });
          $category.find('.product-filter').append($filterHeader);
        }
        
        $category.find('a.ajax').each(function() {
          $(this).parent().load($(this).attr('href'));
        });
      });
    
    $('.product-result-category h3').removeClass('expanded');
		// We no longer want hiding of the products
    // $('.product-result-category-contents').hide();
    if ($('.product-result-category:visible').length == 1) {
      $('.product-result-category:visible h3').addClass('expanded');
      $('.product-result-category:visible .product-result-category-contents').show();
    }
  }
  
  // Reset the filter, showing all products for the category. Called when the
  // user does something like collapsing the filter box.
  function resetFilter() {
    $('.product-search-filter li').removeClass('selected');
    $('.product-result').removeClass('filtered');
  }

  // Handle clicks on the leaf-level product criteria. Clicks here need to
  // reveal the appropriate categories in the results column.
  $('.product-search-criterion li:not(:has(li))').makeClickable(function() {handleMakeClickable(this)});

	function handleMakeClickable(clickedElement) {
    resetSearch();

    var $searchItem = $(clickedElement);
		var $searchItemName = $searchItem.children()[0].innerHTML;

    // Highlight the selected item.
    $searchItem.addClass('selected');
    $('.product-search-criterion > ul > li > ul:not(:has(.selected))').slideUp();

    var key = $searchItem.parents('.product-search-criterion').attr('id');
    var value = $searchItem.hierarchyName();

    $('#product-results > .ad').hide();

    // A small timeout here allows the waiting indicator to show in IE before
    // the browser starts thinking about what to do.
    $('#product-finder-wait').show();
    setTimeout(function() {
      // Show the correct products.
      $('.product-result').filter(function() {
        var found = false;
        $(this).find('ul.' + key + ' li').each(function() {
          found = found || $(this).text() == value;
        });
        return found;
      }).addClass('found');

      // Show categories with visible products.
      revealCategories(key == 'product-search-applications' ? 'product-search-types' : 'product-search-applications');

      $('#product-finder-wait').hide();
    }, 100);
		// Scroll to top
		$('html,body').animate({scrollTop: $("#product-finder").offset().top}, 1000);

		// Set cookie
		
		var today = new Date();
		today.setTime(today.getTime());
		var expires_date = new Date(today.getTime() + (3600000)) // 60 minutes
		document.cookie = "dowAutoLastBrand=" + escape($searchItemName) + ";expires=" + expires_date.toGMTString();

    return false;
	}
  
  // Non-leaf-level product criteria just slide their descendants up and down,
  // accordion-style.
  $('.product-search-criterion > ul > li:not(.clickable)').each(function() {
    $(this).children('ul').hide();
    $(this).makeClickable(function() {
      var $searchItem = $(this);
      resetSearch();

      $searchItem.addClass('selected');
      $searchItem.siblings().children('ul:visible').slideUp();
      $searchItem.children('ul').slideDown();
      return false;
    });
  });

  // Clicks on the result category headers collapse and expand the category
  // contents.
  $('.product-result-category h3').each(function() {
		var header = $(this);
		if (header.html() == "BETABRACE" ||
				header.html() == "BETACLEAN" ||
                header.html() == "BETAFILL" ||
				header.html() == "BETAFOAM" ||
                header.html() == "BETALINK" ||
				header.html() == "BETAMATE" ||
				header.html() == "BETAPRIME" ||
				header.html() == "BETASEAL" ||
                header.html() == "BETAWIPE" ||
                header.html() == "CALIBRE" ||
                header.html() == "EMERGE" ||
                header.html() == "ENGAGE" ||
				header.html() == "IMPAXX" ||
                header.html() == "INFUSE" ||
                header.html() == "INSPIRE" ||
                header.html() == "INTEGRAL" ||
				header.html() == "PULSE" ||
				header.html() == "SPECFLEX" ||
                header.html() == "SPECTRIM" ||
                header.html() == "SYNEXA" ||
                header.html() == "VORANATE" ||
				header.html() == "VORANOL") {
					header.html("<a href='../capabilities/product_family/" + header.html().toLowerCase() + ".htm'>" + header.html() + "</a>");
		}
  });

	var docCookie = ""+document.cookie;
	var index = docCookie.indexOf("dowAutoLastBrand");
	var selected = false;
	if (index != -1) {	
		var index_1 = docCookie.indexOf(';',index);
		if (index_1 == -1) index_1 = docCookie.length; 
	
		var selected_product = unescape(docCookie.substring(index + "dowAutoLastBrand".length + 1, index_1));
		
		if(selected_product != undefined) {
			$productList = $("#product-search-brands > ul").children().each(function() {
				if(this.innerHTML.toLowerCase() == "<span>" + selected_product.toLowerCase() + "</span>") {
					handleMakeClickable(this);
					expandCriteria($('#product-search-criteria-names h4:first'), $('#product-search-brands'));
					selected = true;
				}
			});
		}
	}
	
	$(".product-result").each(function() {
		ele = $(this).children("a")[0]
		ele.innerHTML = ele.innerHTML.replace(" | Dow Automotive Systems", "");
	});
	$(".product-result").each(function() {
		ele = $(this).children("a")[0]
		ele.innerHTML = ele.innerHTML.replace(" | Dow Automotive", "");
	});
});

$(document).ready(function(){
$('#product-search-criteria-names h4:first').addClass("finder-left-corner");
$('#product-search-criteria-names h4:last').addClass("finder-right-corner");
});