(function($) {
	"use strict";

	$(document).ready(function() {

        $(window).on('load', function() {
            var current_width = $(window).width();

			// Only run on desktop
            if ( current_width > 768 ) {

				// Find menu items with a drop menu and center them
		        $('.main-navigation li').each(function() {
		            if ($(this).find('ul:first-of-type').length > 0) {
		                var parent_width = $(this).outerWidth(true);
		                var child_width  = $(this).find('ul').outerWidth(true);
		                var new_width    = parseInt((child_width - parent_width) / 2);
		                $(this).find('ul').css('margin-left', -new_width + 'px');
		            }
		        });
        	}
        });


		// Standardize drop menu types
		$('.main-navigation .children').addClass('sub-menu');
		$('.main-navigation .page_item_has_children').addClass('menu-item-has-children');


		// Toggle the mobile menu
		$('.menu-toggle').click(function() {
			$('.mobile-navigation').toggleClass('toggle-active');
			$('.drawer').toggle();
			$(this).find('span').toggle();
		});

		// Append a clickable icon to mobile drop menus
		var item = $('<button class="toggle-sub" aria-expanded="false"><i class="gbi gbicon-angle-down"></i></button>');

		// Append clickable icon for mobile drop menu
		if ($('.drawer .menu-item-has-children .toggle-sub').length == 0) {
			$('.drawer .menu-item-has-children,.drawer .page_item_has_children').append(item);
		}

		// Show sub menu when toggle is clicked
		$('.drawer .menu-item-has-children .toggle-sub').click(function(e) {
			$(this).each(function() {
				e.preventDefault();

				// Change aria expanded value
				$(this).attr('aria-expanded', ($(this).attr('aria-expanded')=='false') ? 'true':'false');

				// Open the drop menu
				$(this).closest('.menu-item-has-children').toggleClass('drop-open');
				$(this).prev('.sub-menu').toggleClass('drop-active');

				// Change the toggle icon
				$(this).find('i').toggleClass('gbicon-angle-down').toggleClass('gbicon-angle-up');
			});
		});

		// Scroll back to top
		$('.back-to-top a, .sticky-title').click(function(e) {
			e.preventDefault();

			$('html,body').animate({
			    scrollTop: 0
			}, 700);

			return false;
		} );


		// Infinite scroll
		$(document.body).on('post-load', function () {
			var $container = $('#post-wrap');
			var $newItems  = $('.new-infinite-posts').not('.is--replaced');
			var $elements  = $newItems.find('.post');

			// Remove the empty elements that break the grid
			$('.new-infinite-posts,.infinite-loader').remove();

			// Append IS posts
			$container.append($elements);

		});

	});

})(jQuery);