//this file is only called if a main menu with submenu items is available

(function($)
{	
    "use strict";

    $(document).ready(function()
    {	
		//activates the mega menu javascript.
		if($.fn.aviaMegamenu)
		$(".main_menu .menu").aviaMegamenu({modify_position:true});
    });



// -------------------------------------------------------------------------------------------
// Avia Menu
// -------------------------------------------------------------------------------------------


	$.fn.aviaMegamenu = function(variables)
	{
		var defaults =
		{
			modify_position:true,
			delay:300
		};

		var options = $.extend(defaults, variables),
		win			= $(window);
		
			

		return this.each(function()
		{
			var the_html	= $('html:first'),
				main		= $('#main .container:first'),
				left_menu	= the_html.filter('.html_menu_left, .html_logo_center').length,
				isMobile 	= $.avia_utilities.isMobile,
				menu = $(this),
				menuItems = menu.find(">li:not(.ignore_menu)"),
				megaItems = menuItems.find(">div").parent().css({overflow:'hidden'}),
				menuActive = menu.find('>.current-menu-item>a, >.current_page_item>a'),
				dropdownItems = menuItems.find(">ul").parent(),
				parentContainer = menu.parent(),
				mainMenuParent = menu.parents('.main_menu').eq(0),
				parentContainerWidth = parentContainer.width(),
				delayCheck = {},
				mega_open = [];
				

			if(!menuActive.length){ menu.find('.current-menu-ancestor:eq(0) a:eq(0), .current_page_ancestor:eq(0) a:eq(0)').parent().addClass('active-parent-item')}
			if(!the_html.is('.html_header_top')) { options.modify_position = false; }
			
			
			
			menuItems.on('click' ,'a', function(e)
			{
				if(this.href == window.location.href + "#" || this.href == window.location.href + "/#")
				e.preventDefault();
			});

			menuItems.each(function()
			{
				var item = $(this),
					pos = item.position(),
					megaDiv = item.find("div:first").css({opacity:0, display:"none"}),
					normalDropdown = "";

				//check if we got a mega menu
				if(!megaDiv.length)
				{
					normalDropdown = item.find(">ul").css({display:"none"});
				}

				//if we got a mega menu or dropdown menu add the arrow beside the menu item
				if(megaDiv.length || normalDropdown.length)
				{
					var link = item.addClass('dropdown_ul_available').find('>a');
					link.append('<span class="dropdown_available"></span>');

					//is a mega menu main item doesnt have a link to click use the default cursor
					if(typeof link.attr('href') != 'string' || link.attr('href') == "#"){ link.css('cursor','default').click(function(e){ e.preventDefault(); }); }
				}


				//correct position of mega menus
				if(options.modify_position && megaDiv.length)
				{	
					item.on('mouseenter', function(){ calc_offset(item, pos, megaDiv, parentContainerWidth) });
				}



			});
			
			
			function calc_offset(item, pos, megaDiv, parentContainerWidth)
			{	
				pos = item.position();
				
				if(!left_menu)
					{
						if(pos.left + megaDiv.width() < parentContainerWidth)
						{
							megaDiv.css({right: -megaDiv.outerWidth() + item.outerWidth()  });
							//item.css({position:'static'});
						}
						else if(pos.left + megaDiv.width() > parentContainerWidth)
						{
							megaDiv.css({right: -mainMenuParent.outerWidth() + (pos.left + item.outerWidth() ) });
						}
					}
					else
					{
						if(megaDiv.width() > pos.left + item.outerWidth())
						{
							megaDiv.css({left: (pos.left* -1)});
						}
						else if(pos.left + megaDiv.width() > parentContainerWidth)
						{
							megaDiv.css({left: (megaDiv.width() - pos.left) * -1 });
						}
					}
			}

			function megaDivShow(i)
			{
				if(delayCheck[i] == true)
				{
					var item = megaItems.filter(':eq('+i+')').css({overflow:'visible'}).find("div:first"),
						link = megaItems.filter(':eq('+i+')').find("a:first");
						mega_open["check"+i] = true;

						item.stop().css('display','block').animate({opacity:1},300);

						if(item.length)
						{
							link.addClass('open-mega-a');
						}
				}
			}

			function megaDivHide (i)
			{
				if(delayCheck[i] == false)
				{
					megaItems.filter(':eq('+i+')').find(">a").removeClass('open-mega-a');

					var listItem = megaItems.filter(':eq('+i+')'),
						item = listItem.find("div:first");


					item.stop().css('display','block').animate({opacity:0},300, function()
					{
						$(this).css('display','none');
						listItem.css({overflow:'hidden'});
						mega_open["check"+i] = false;
					});
				}
			}

			if(isMobile)
			{
				megaItems.each(function(i){

					$(this).on('click', function()
					{
						if(mega_open["check"+i] != true) return false;
					});
				});
			}


			//bind event for mega menu
			megaItems.each(function(i){

				$(this).hover(

					function()
					{
						delayCheck[i] = true;
						setTimeout(function(){megaDivShow(i); },options.delay);
					},

					function()
					{
						delayCheck[i] = false;
						setTimeout(function(){megaDivHide(i); },options.delay);
					}
				);
			});


			// bind events for dropdown menu
			dropdownItems.find('li').addBack().each(function()
			{
				var currentItem = $(this),
					sublist = currentItem.find('ul:first'),
					showList = false;

				if(sublist.length)
				{
					sublist.css({display:'block', opacity:0, visibility:'hidden'});
					var currentLink = currentItem.find('>a');

					currentLink.on('mouseenter', function()
					{
						sublist.stop().css({visibility:'visible'}).animate({opacity:1});
					});

					currentItem.on('mouseleave', function()
					{
						sublist.stop().animate({opacity:0}, function()
						{
							sublist.css({visibility:'hidden'});
						});
					});

				}

			});

		});
	};
})(jQuery);