var script = function () {

    var $body = $('html,body');
    var winH = $(window).height();
    var winW = $(window).outerWidth();
    var docH  = $(document).height();
    var $win = $(window);
    var scrollBottom = $(window).scrollTop() + $(window).height();
    var conH = $('.wrapper').height();
    var headerH = $('.myheader').height();



    /* header fix ---------------------------------------------------*/

    setTimeout(function(){

        var _topH = $('#static_header_gnb').outerHeight(true);

        function headerfix() {
            var _scroll = $win.scrollTop();

            if (_scroll >= _topH) {
                $('.myheader').addClass('fixed');
            } else {
                $('.myheader').removeClass('fixed');
            }
        }
        $win.scroll(headerfix);

    },1000)

    



    /* slick ---------------------------------------------------*/

    mySwiper();

    function mySwiper() {

        var swiper_page1 = new Swiper('.sec3 .video .gallery-txt', {
            effect: 'slide', //滑動方式
            centeredSlides: true, //置中
            initialSlide: 2, //起始幻燈片
            spaceBetween: 0,
            slidesPerView: 'auto',
            loop: true,
            navigation: {
                nextEl: '.sec3 .btn_next',
                prevEl: '.sec3 .btn_prev',
            },
            breakpoints: {
              
                768: {
                    spaceBetween: 0,
                },
            },
        });

        var swiper2_page1 = new Swiper('.sec3 .video .gallery-top', {
            effect: 'slide', //滑動方式
            centeredSlides: true, //置中
            initialSlide: 2, //起始幻燈片
            spaceBetween: -675,
            slidesPerView: 'auto',
            loop: true,
            navigation: {
                nextEl: '.sec3 .btn_next',
                prevEl: '.sec3 .btn_prev',
            },
            breakpoints: {
                1280: {
                    spaceBetween: '-550',
                },
                768: {
                    spaceBetween: 0,
                    spaceBetween: '-200',
                },
            },
        });
    }

    $('.sbtn').click(function() {

        $('.mainIframe').each(function() {
            this.contentWindow.postMessage('{"event": "command", "func": "stopVideo", "args": ""}', '*');
        });

    });



    $('.btnback').click(function () {
        TweenMax.to('body,html', .8, {
            scrollTop: 0,
            ease: Quart.easeOut
        });
    });




    /* nav ---------------------------------------------------*/

    // 重設
    function navde() {

        $('.mainnav').find('li').removeClass('open');

        // $('.subnav').hide();

        $('.burger').attr('toggle', '0');
        $('.burger').removeClass('isclick');



        if (winW <= 768) {

            $('.mainnav').css({
                'overflow-y': '',
                'display': 'none'
            });
            $('.myheader').css({
                'height': '11vw',
                'opacity': 1
            });

        }else{
            $('.myheader').css({
                'height': 'auto'
            });
            $('.mainnav').css({
                'display': 'block'
            });
        }

        $('body').css({
            'overflow-y': '',
            'position': '',
            'height': ''
        });

    }
    navde();

    // 主選單
    function navfunc() {
        var navopen = $('.burger').attr('toggle');
        if (navopen == 0) {
            $('.mainnav').slideDown(50);
            $('.myheader').css({
                'height': '100vh',
                'overflow': '',
                'opacity': 1
            });


            // TweenMax.to('.myheader', .01, {
            //     backgroundColor: '#90e4f2',
            //     ease: Quart.easeOut
            // });


            $('body').css({
                'overflow-y': 'hidden',
                'position': 'fixed',
                'height': '100%'
            });

            $('.burger').attr('toggle', '1');
            $('.burger').addClass('isclick');

        } else if (navopen == 1) {

            $('.mainnav').css('height', '');
            $('.myheader').css({
                'height': '11vw',
                'opacity': 1
            });

            // TweenMax.to('.myheader', .01, {
            //     backgroundColor: 'rgba(144,228,242,0.8)',
            //     ease: Quart.easeOut
            // });

            $('.mainnav').slideUp(0);

            $('body').css({
                'overflow-y': '',
                'position': '',
                'height': ''
            });

            $('.burger').attr('toggle', '0');
            $('.burger').removeClass('isclick');
        }
    }
    $('.burger').click(navfunc);





    /* nav scroll --------------------------------------------*/

    var $sec = $('.sec');
    var hash = location.hash,
        href;

    /* page scroll */
    var thispage = 0;
    var pagescroll = true;
    var pageT = [],
        $sec = $('.sec'),
        $main = $('.wrapper'),
        // _mainTOP = $main.offset().top,
        ah = $main.outerHeight(true),
        pageName = ['kv', 'sec1', 'YT', 'SP','more','BT'];

    var _thispagescroll = pageName.indexOf(hash);


    var $navbtn = $('.navbtn');

    var pageReset = function () {
        pageT = [];
        winW = $win.outerWidth();
        ah = $main.outerHeight(true);
        $sec.each(
            function (i, obj) {
                var t = $(obj).offset().top;
                pageT.push(t);
                if (i == $sec.length - 1) {
                    pageT.push(ah);
                }
            }
        );

    }

    var menuselect = function () {
        $navbtn.removeClass('select');

        pageReset();
        
        $('.navbtn[data-page="' + thispage + '"]').addClass('select');
    }

    var menuscroll = function(n) {
        var _pos;
        thispage = n;

        pageReset();

        console.log(headerH)


        TweenMax.to('body,html', .8, { scrollTop: pageT[thispage] - headerH, ease: Quart.easeOut });
    }

    var scrollPage = function(wt, whelf) {
        winH = $win.height();
        winW = $win.outerWidth();
        wt = $win.scrollTop();
        whelf = winH / 3;
        // _mainTOP = $main.offset().top;

        for (var p = 0; p < $sec.length; p++) {
            if (wt > pageT[p] - whelf && wt < pageT[p + 1] - whelf) {
                thispage = p;
            }
        }

        menuselect();

        href = pageName[thispage];
        window.location.hash = href;
    }

    var scrollthispage = function() {
        var _pos;
        _thispagescroll = pageName.indexOf(hash.substr(1));

        pageReset();

        var topH = $('.myheader2').height();

        if (_thispagescroll != -1) {
            thispage = pageName.indexOf(hash.substr(1));

            pageReset();

            if (thispage == 0) {
                TweenMax.to('body,html', .8, { scrollTop: 0, ease: Quart.easeOut });
            } else {
                TweenMax.to('body,html', .8, { scrollTop: pageT[thispage] - topH, ease: Quart.easeOut });

            }

            menuselect();
            href = pageName[thispage];
            window.location.hash = href;
            pagescroll = false;
        } else {

            TweenMax.to('body,html', .8, { scrollTop: 0, ease: Quart.easeOut });
        };

    }


     setTimeout(function() {
        scrollthispage()
    }, 300);

    $navbtn.click(
        function() {

            var n = $(this).data('page');

            menuscroll(n);

            navde();



        }
    );





    /* lightbox
    ------------------------------------------------------------*/

    // var lightbox = function(){

    var $lb = $('.lb'),
        $lbbox = $('.lbbox');


    var lb_data;
    var lb_picture;
    // lbname = 'announcement';

    // TweenMax.set($('.lb'),{autoAlpha:0});
    // TweenMax.set($('.lb') ,{css:{zIndex:-1}});

    var lbOpen = function (lb_data) {

        var lbAni = new TimelineMax();
        lbAni.to($('.lb[data-lb="' + lb_data + '"]'), .5, {
                css: {
                    zIndex: 1000
                }
            }, '-=.5')
            .to($('.lb[data-lb="' + lb_data + '"]'), .5, {
                autoAlpha: 1,
                ease: Linear.easeNone
            });

        // $body.css({
        //     'overflow': 'hidden'
        // })
    }

    var lbClose = function () {

        // $('.lb .picture').attr("src", "");
        $('.lbbox1 .ifrWrap #youtuUrl').attr('src', "");

        var lbCloseAni = new TimelineMax();
        lbCloseAni.to($('.lb'), .3, {
                autoAlpha: 0,
                ease: Linear.easeNone
            })
            .to($('.lb'), .3, {
                css: {
                    zIndex: -1
                }
            });

        $body.css({
            'overflow': ''
        })
    }


    $('.lb .btn_x').click(lbClose);




    /* resize
    ------------------------------------------------------------*/

    var _resize = function () {

        winW = $win.outerWidth();
        winH = $win.height();
        docH = $(document).height();
        _scroll = $(window).scrollTop();
        scrollBottom = $(window).scrollTop() + $(window).height();
        headerH = $('.myheader').height();


        // _sec1pos = $('.sec1').offset().top;

        navde();
        // if (pagescroll || winW > 1000) scrollthispage();

        // navfix();

    }
    $win.scroll(scrollPage);
    _resize();
    $win.resize(function () {

        // _resize();

    });





    var windowHeight = $(window).height();

    // Resize Event
    $(window).resize(function () {

        // Check window width has actually changed and it's not just iOS triggering a resize event on scroll
        if ($(window).width() != windowHeight) {

            // Update the window width for next time
            windowHeight = $(window).width();

            // Do stuff here
            _resize();
            // if (pagescroll || windowHeight > 768) scrollthispage();

        }

    });



}





$(function () {
    // $('header').load('include/header.html');
    // $('footer').load('include/footer.html');

    // var imagesLoaded = loading();
    //        imagesLoaded.loadfunc();
    //        imagesLoaded.callback = function(){

    //          script();

    //        };

    script();

    $('.gb-footer-2019__btn-top').click(function () {
        var $body = (window.opera) ? (document.compatMode == "CSS1Compat" ? $('html') : $('body')) : $('html,body');
        $body.animate({
            scrollTop: 0
        }, 600);
    })
});