var img_cache,
galleries;

var menu_container = document.querySelectorAll('.menu');
menu_container.forEach(function(menu) {
	menu.querySelectorAll(".menu-item-has-children").forEach(function(element) {
		let toggler = document.createElement('div');
		let togglerTextNode = document.createTextNode('+');
		toggler.appendChild(togglerTextNode);
		toggler.classList.add('toggle');
		element.insertBefore(toggler, element.childNodes[1]);
	});
});

window.addEventListener( "scroll", () => {
	var element = document.getElementById( "scroll-up" );
	if ( window.pageYOffset > window.innerHeight && !element.classList.contains( 'active' ) ) {
		element.classList.add( 'active' );
	}
	if ( window.pageYOffset < window.innerHeight && element.classList.contains( 'active' ) ) {
		element.classList.remove( 'active' );
	}
}, false );
var duration = 800;
document.getElementById( "scroll-up" ).addEventListener("click", () => {
	var scroll = function (){
		var progress = Math.min(1, (new Date - start) / duration);
		window.scrollTo(0, (to - from) * Math.pow(progress, 2) + from);
		(progress < 1) && window.requestAnimationFrame(scroll);
	}
	var start = new Date,
	from = window.pageYOffset,
	to = document.body.offsetTop;
	scroll();
}, false);

document.querySelectorAll(".toggle").forEach(function(element) {
	element.addEventListener("click", () => {
		element.classList.toggle("toggled");
		if (document.getElementById('toggle-header-menu') !== null && document.getElementById('toggle-header-widget') !== null) {
			if (element === document.getElementById('toggle-header-menu') && document.getElementById('toggle-header-widget').classList.contains('toggled')) {
				document.getElementById('toggle-header-widget').classList.remove('toggled');
				document.body.classList.toggle("no-overflow");
			} else if (element === document.getElementById('toggle-header-widget') && document.getElementById('toggle-header-menu').classList.contains('toggled')) {
				let scrolled = window.scrollY;
				document.getElementById('toggle-header-menu').classList.remove('toggled');
				document.body.classList.toggle("no-overflow");
			}
		}
		if (element === document.getElementById('toggle-header-menu') || element === document.getElementById('toggle-header-widget')) {
			document.body.classList.toggle("no-overflow");
		}
	}, false);
});
document.querySelectorAll('.widget-title').forEach(function(element) {
	element.addEventListener('click', () => {
		element.classList.toggle('toggled');
	},false)
});

function doAdelay() {
	setTimeout(function() {
		return true;
	}, 30000);
}
function GalleryItem(gallery_id, gallery_item, src) {
	this.img = new Image();
	this.img.src = src;
	this.item_id = [gallery_id, gallery_item];
}
function img_cache_constructor() {
	this.cache = [];
	this.add = function(item) {
		this.cache.push(item);
	};
}
galleries = document.querySelectorAll('.gallery');
img_cache = new img_cache_constructor();
if (galleries !== null) {
	for (let i = 0; i < galleries.length; i++) {
		let items = galleries[i].querySelectorAll('.gallery-item');
		for (let j = 0; j < items.length; j++) {
			let gi_tag = items[j].querySelector('a');
			gi_tag.dataset.gi = i + "_" + j;
			img_cache.add(new GalleryItem(i, j, gi_tag.getAttribute('href')));
			gi_tag.addEventListener("click", function (event) {
				event.preventDefault();
				let current_gi_tag = this.dataset.gi.split('_'),
				filtered_items = [];
				for (let item of img_cache.cache) {
					if (item.item_id[0] == current_gi_tag[0])
					filtered_items.push(item);
				}
				var gallery_display = document.createElement('div');
				gallery_display.classList.add('gallery-display');
				var close_gallery_display = document.createElement('div');
				close_gallery_display.classList.add('close-display');
				var info_gallery_display = document.createElement('div');
				info_gallery_display.classList.add('info-display');
				var domElement = document.querySelectorAll('.gallery')[current_gi_tag[0]];
				domElement.appendChild(gallery_display);
				domElement = domElement.querySelector('.gallery-display');
				domElement.appendChild(info_gallery_display);
				domElement.appendChild(close_gallery_display);
				for (let item of filtered_items) {
					var item_container = document.createElement('div')
					item_container.classList.add('item-display');
					domElement.appendChild(item_container);
					domElement.lastChild.appendChild(item.img);
				}
				setTimeout(() => {
					domElement.classList.toggle('toggled');
					domElement.querySelectorAll('.item-display')[current_gi_tag[1]].scrollIntoView();
					document.body.classList.toggle("no-overflow");
					document.querySelector('.close-display').addEventListener('click', () => {
						domElement.classList.toggle('toggled');
						setTimeout(() => {
							document.body.classList.toggle("no-overflow");
							document.querySelector('.gallery-display').remove();
						}, 176);
					}, false);
				}, 176);
			}, false);
		}
	}
}