(function($)
{
	"use strict";
	$.avia_utilities = $.avia_utilities || {};

	$( function()
    {
		 //activates the sticky submenu
		$.avia_utilities = $.avia_utilities || {};

        if( $.avia_utilities.avia_sticky_submenu )
		{
			$.avia_utilities.avia_sticky_submenu();
		}
    });


	$.avia_utilities.avia_sticky_submenu = function()
	{
		var win 		= $(window),
			html 		= $('html').first(),
			header  	= $('.html_header_top.html_header_sticky #header'),
			html_margin = parseInt( $('html').first().css('margin-top'), 10),
			setWitdth	= $('.html_header_sidebar #main, .boxed #main'),
			menus		= $('.av-submenu-container'),
			bordermod	= html.is('.html_minimal_header') ? 0 : 1,
			fixed_frame	= $('.av-frame-top').height(),
			burger_menu	= $('.av-burger-menu-main'),
			calc_margin	= function()
			{
				html_margin = parseInt( html.css('margin-top'), 10);
				if(!$('.mobile_menu_toggle:visible').length)
				{
					$('.av-open-submenu').removeClass('av-open-submenu');
				}

				menus.filter('.av-sticky-submenu').each(function()
				{
					$(this).next('.sticky_placeholder').height($(this).height());
				});

			},

			calc_values	= function()
			{
				var content_width = setWitdth.width();
				html_margin = parseInt( html.css('margin-top'), 10);
				menus.width(content_width);
			},

			check = function( placeholder, no_timeout)
			{
				var menu_pos	= this.offset().top,
					top_pos 	= placeholder.offset().top,
					scrolled	= win.scrollTop(),
					modifier 	= html_margin,
					fixed		= false;

					/**
					 * If we have burger menu active we ignore sticking submenus
					 */
					if( burger_menu.is(":visible") )
					{
						this.css({top: 'auto', position: 'absolute'}); fixed = false;
						return;
					}

					if(header.length)
					{
						modifier += header.outerHeight() + parseInt( header.css('margin-top'), 10);
					}

					if(fixed_frame)
					{
						modifier += fixed_frame;
					}

					if(scrolled + modifier > top_pos)
					{
						if(!fixed)
						{
							this.css({top: modifier - bordermod, position: 'fixed'}); fixed = true;
						}
					}
					else
					{
						this.css({top: 'auto', position: 'absolute'}); fixed = false;
					}

			},
			toggle = function(e)
			{
				e.preventDefault();

				var clicked = $(this),
					menu 	= clicked.siblings('.av-subnav-menu');

					if(menu.hasClass('av-open-submenu'))
					{
						menu.removeClass('av-open-submenu');
					}
					else
					{
						menu.addClass('av-open-submenu');
					}
			};

		win.on("debouncedresize av-height-change",  calc_margin ); calc_margin();

		if(setWitdth.length)
		{
			win.on("debouncedresize av-height-change",  calc_values );
			calc_values();
		}


		menus.each( function()
		{
			var menu = $(this),
				sticky = menu.filter('.av-sticky-submenu'),
				placeholder = menu.next('.sticky_placeholder'),
				mobile_button = menu.find('.mobile_menu_toggle');

			if( sticky.length )
			{
				win.on( 'scroll debouncedresize',  function()
				{
					window.requestAnimationFrame( check.bind( sticky, placeholder ) );
				});
			}

			if( mobile_button.length )
			{
			   mobile_button.on( 'click',  toggle );
			}
        });


		html.on('click', '.av-submenu-hidden .av-open-submenu li a', function()
		{
			var current = $(this);

			var list_item = current.siblings('ul, .avia_mega_div');
			if(list_item.length)
			{
				if(list_item.hasClass('av-visible-sublist'))
				{
				    list_item.removeClass('av-visible-sublist');
				}
				else
				{
				    list_item.addClass('av-visible-sublist');
				}
				return false;
			}
		});

		$('.avia_mobile').on('click', '.av-menu-mobile-disabled li a', function()
		{
			var current = $(this);
			var list_item = current.siblings('ul');
			if(list_item.length)
			{
				if(list_item.hasClass('av-visible-mobile-sublist'))
				{

				}
				else
				{
					$('.av-visible-mobile-sublist').removeClass('av-visible-mobile-sublist');
				    list_item.addClass('av-visible-mobile-sublist');
				    return false;
				}

			}
		});



	};


}(jQuery));