var swiperBox = [];
var swiperIdx = 0;

(function($){
	$(document).ready( function() {
		_initCarousel();
	});
	
	let queue = null;
	let size = $(window).width();
	$(window).resize(function() {
		clearTimeout( queue );
		queue = setTimeout(function() {
			if(size != $(window).width()){
				if(swiperBox.length > 0){
					$(swiperBox).each(function(i){
						swiperBox[i].destroy(true, false);
					});
				}
				$('.ems_carousel').removeClass('set');
				_initCarousel();
			}
			size = $(window).width();
		}, 200 );
	});
	
	function _update(calNo){
		var updateNo = -1;
		if(calNo){
			updateNo = calNo;
		}
		
		if(swiperBox.length > 0){
			$(swiperBox).each(function(i){
				if(updateNo == -1 || updateNo == i){
					swiperBox[i].update();
				}
			});
		}
	}
	
	function _initCarousel(){
		$('.ems_carousel:not(.set)').each(function(){
			var sliderFlg = $(this).attr('cal-slider');
			if(sliderFlg == 1){
				var _direction = 'horizontal';
				if($(this).attr('cal-direction')){
					_direction = $(this).attr('cal-direction');
				}
				var _loop = false;
				var _autoPlay = false;
				if($(this).attr('cal-loop')){
					//スライドの合計幅が親要素の幅より小さい場合はループさせない
				　if($(this).width() <= $(this).find('.carousel_li').outerWidth(true)*($(this).find('.carousel_li').length)){
						_loop = $(this).attr('cal-loop');
						_autoPlay = {delay:$(this).attr('cal-anime-speed'), disableOnInteraction: false};
					}
				}
				
				var swiper = new Swiper( this , {
					loop : _loop,
					freeMode: true,
					direction: _direction,
					slidesPerView: 'auto',
					autoplay: _autoPlay,
					speed: 500,
					navigation: {nextEl: '.swiper-button-next', prevEl: '.swiper-button-prev'},
				});
				
				swiperBox.push(swiper);
				$(this).attr('cal-no' , swiperIdx++);
			}
			
			// lazy
			$(this).find('.item_image').lazyload();
			
			// 表示(初動ちらつき対策)
			$(this).closest('.related_item_list').css('visibility', 'visible');
			
			// セット完了クラス
			$(this).addClass('set');
		});
	}
	
	this.updateCarousel = _update;
	this.initCarousel = _initCarousel;
}(jQuery));