$(document).on('click', 'a[href="#none"]', function(e) {
	e.preventDefault();
});

//기본js
function startJs(){

	$(document).on('click', 'a[href="#none"]', function(e) {e.preventDefault()});

	if($('html').is('.ie67, .ie7, .ie8, .ie9')) {
		$('div.ie_alert_text').show().html('현재 사이트는 IE9 미만의 하위브라우저를 지원하지 않습니다. <br />브라우저를 최신 버전으로 <b>업데이트</b>해 주세요.');
	}

	WebFont.load({google: {families: ['Noto Sans KR', 'Montserrat']}});
	

}

function popup() {

	//레이어팝업
	var bg = $("#bg");

	$(document).on('click',' #bg, .close ', function () {
		bg.fadeOut();
		$('div[id*="-popup"] div.inner').html('');
		$('div[id*="-popup"]').hide();
	});

	$(document).on('click','.layer-',
		function () {
		var ClassName = $(this).data('link');

		bg.show();
		$('#layer-popup').show();
		$('#layer-popup').html(
			'<div class="popup-close">'+
			'<img src="/img/common/popup_close_icon.png" alt="close" class="close"></div>'+
			'<div class="inner">'+
			'</div>'
		);

		//foot 메뉴 클릭시
		switch (ClassName) {
			case "privacy1":
				$("#layer-popup div.inner").load("/_privacy1.php");
			break;
			case "terms":
				$("#layer-popup div.inner").load("/_terms.php");
			break;
		}

	}); //click

}


$(function(){
	startJs();
	popup();
	//smoothScrollJS();
	smoothscroll.init();
	headerJS();
	headerScroll();

	var $scrollBtn = $('.scroll_btn');

	$scrollBtn.on('click',function(){ 
	   gsap.to(window, {duration: .4,scrollTo:0,ease: 'power3.out'}); 
	});

	$(".scroll_btn").fadeOut();
	$(window).scroll(function(){
		if($(this).scrollTop() > 100){
			$(".scroll_btn").fadeIn(300);
		}else {
			$(".scroll_btn").fadeOut(300);
		}
		checkOffset();
	});
});

function checkOffset() {
	var a=$(document).height()-$(window).height();
	var b=$('#footer').height();
	scroll = $(window).scrollTop();

	if (scroll > a-b) {
		$(".scroll_btn").css("position","absolute").css("bottom",b + 20);
	}else {
		$(".scroll_btn").css("position","fixed").css("bottom",20);
	}
}


smoothscroll = {

	passive : function(){
		var supportsPassive = false;
		try {
		  document.addEventListener("test", null, { get passive() { supportsPassive = true }});
		} catch(e) {}

		return supportsPassive;
	},
	init : function(){


		var $window = $(window);
		var scrollTime = 1;
		var distance_offset = 2.5;
		var scrollDistance = $window.height() / distance_offset;

		if(this.passive()){
			window.addEventListener("wheel",this.scrolling,{passive: false});
		}else{
			$window.on("mousewheel DOMMouseScroll", this.scrolling);
		}

	},
	destroy : function(){

		if(this.passive()){
			window.removeEventListener("wheel",this.scrolling);
		}else{
		   $(window).off("mousewheel DOMMouseScroll", this.scrolling);
		}
		gsap.killTweensOf($(window),{scrollTo:true});

	},
	scrolling : function(event){

		event.preventDefault();

		var $window = $(window);
		var scrollTime = 1;
		var distance_offset = 2.5;
		var scrollDistance = $window.height() / distance_offset;
		var delta = 0;

		if(smoothscroll.passive()){
			delta = event.wheelDelta/120 || -event.deltaY/3;
		}else{
			if(typeof event.originalEvent.deltaY != "undefined"){
				delta = -event.originalEvent.deltaY/120;
			}else{
				delta = event.originalEvent.wheelDelta/120 || -event.originalEvent.detail/3;
			}
		}

		var scrollTop = $window.scrollTop();
		var finalScroll = scrollTop - parseInt(delta*scrollDistance);

		gsap.to($window, {
			duration: scrollTime,
			scrollTo : { y: finalScroll, autoKill:true },
			ease: 'power3.out',
			overwrite: 5
		});

		/*const headerFix = gsap.from('header', { 
			yPercent: -100,
				paused: true,
				duration: 0.5
			}).progress(1);

			ScrollTrigger.create({
				start: "top top",
				end: "1000000%",
				toggleClass: {className: 'scroll', targets: 'header'},
				onUpdate: (self) => {
				self.direction === -1 ? headerFix.play() : headerFix.reverse()
			}
		});*/

		

	}

};

/*
function smoothScrollJS(){
	gsap.registerPlugin(ScrollTrigger, ScrollToPlugin);

	var container = document.querySelector("#main-scrollbar");

	const headerFix = gsap.from('header', { 
		yPercent: -100,
			paused: true,
			duration: 0.5
		}).progress(1);

		ScrollTrigger.create({
			start: "top top",
			end: "1000000%",
			toggleClass: {className: 'scroll', targets: 'header'},
			onUpdate: (self) => {
			self.direction === -1 ? headerFix.play() : headerFix.reverse()
		}
	});

	
    var $scrollBtn = $('.scroll_btn');

	$scrollBtn.on('click',function(){ 
       gsap.to(window, {duration: .4,scrollTo:0,ease: 'power3.out'}); 
    });

}*/


function headerJS(){
	//header 2depth 메뉴 
	$("#nav .gnb>li").mouseover(function(){
		$("header").addClass("on");
		if($(this).hasClass("hv")){
			$("header .lnb_bg").stop().slideDown(200);
		}else {
			$("header .lnb_bg").stop().slideUp(200);
		}
	});
	$("#nav .gnb>li").mouseleave(function(){
		$("header").removeClass("on");
		$("header .lnb_bg").stop().slideUp(200);
	});

	//language drop box
	$(".right_nav .quick>div.lang button").click(function(){
		$(this).next().stop().slideToggle(200);
	});

	//allmenu show
	$(".menu button.menu_btn").click(function(){
		$("header").addClass("all");
		$("#allmenu").fadeIn(300);

		smoothscroll.destroy();
	});
	//allmenu hide
	$(".menu button.close_btn").click(function(){
		$("header").removeClass("all");
		$("#allmenu").fadeOut(300);
		smoothscroll.init();
	});

	//mobile allmenu 
	$(window).on("resize",function(){
		if($(this).width() <= 1279){
			$("#allmenu .inner .gnb>li .lnb").hide();
			$("#allmenu .inner .gnb>li strong").removeClass("on");
			$("#allmenu .inner .gnb>li strong").click(function(){
				$(this).toggleClass("on");
				$(this).next().stop().slideToggle(200);

				$(this).parent().siblings().find("strong").removeClass("on");
				$(this).parent().siblings().find(".lnb").slideUp(200);
			});
		}else {
			$("#allmenu .inner .gnb>li .lnb").show();
			$("#allmenu .inner .gnb>li strong").removeClass("on");
		}
	}).resize();	
}


function headerScroll() {

    var $window = $(window),
	    $header = $('header'),
        $body = $('body'),
        onScroll = null,
        currentScroll = 0,
        lastScroll = 0,
        moveScroll = 10;

	$window.on('scroll', function() {
        onScroll = true;
	});

    setInterval(function() {
		scrollMove();
		onScroll = false;

    }, 50);

    function scrollMove(){
        currentScroll = $(this).scrollTop();

        // Make sure they scroll more than move scroll
        if(Math.abs(lastScroll - currentScroll) <= moveScroll) return;

        if(currentScroll > lastScroll){ // ScrollDown
            if(currentScroll > $(window).height()){
                gsap.to($header, { duration: .4, autoAlpha: 0, y: -$header.outerHeight(), ease: 'power3.out' });
            }
        }
        else { // ScrollUp
            gsap.to( $header, {duration: .4, autoAlpha:1, y: 0, ease: 'power3.out' });
        }

        lastScroll = currentScroll;
    }

}