(function($) {
    "use strict";

    /* Banner */
    var banner_cont = $(".hm-banner .banner-carousel"),
        banner_pic = $(".hm-banner .carousel-pic"),
        _head = 'header',
        speed = 3;

    function bannerScroll() {
        var headH = $(_head).length ? $(_head).height() : 0;
        var h = banner_cont.height() + headH;
        banner_pic.css({
            "position": "relative",
            "top": $(window).scrollTop() > h ? "" : $(window).scrollTop() / speed
        });
    }

    function bannerBox() {
        imgFullScreen(banner_pic);

        if ($(window).width() > 991) {
            imgFullScreen(banner_pic);
        } else {
            imgFullScreen(banner_pic, $(window).width(), banner_pic.height() || '');
        }
    }

    bannerScroll();
    bannerBox();
    $(window).resize(function () {
        bannerBox();
    });
    $(window).scroll(function () {
        bannerScroll();
    });

    var hmBanner = $('.hm-banner'),
        hmCarousel = hmBanner.find('.carousel'),
        carouselArrow = hmBanner.find('.carousel-arrow'),
        carouselPage = hmBanner.find('.carousel-page'),
        carouselProgress = hmBanner.find('.carousel-progress');

    carouselPage.find('.total').text(hmCarousel.find('.carousel-item').length);

    hmCarousel.slick({
        autoplay: true,
        autoplaySpeed: 5700,
        speed: 377,
        prevArrow: carouselArrow.find('.prev'),
        nextArrow: carouselArrow.find('.next'),
        pauseOnFocus: false,
        pauseOnHover: false,
        fade: true
    }).on({
        'beforeChange': function (event, slick, currentSlide, nextSlide) {
            var _item = $(this).find(".carousel-item");
            _item.eq(nextSlide).addClass("show").siblings().removeClass("show");
            carouselProgress.removeClass('show');

            carouselPage.find('.num').text(nextSlide + 1);
        },
        'afterChange': function () {
            carouselProgress.addClass('show');
        }
    });

    setTimeout(function () {
        hmCarousel.find(".carousel-item").eq(0).addClass("show");
        carouselProgress.addClass('show');
    }, 1);

    /* Hot News */
    var hmHot = $('.hm-hot'),
        hotCarousel = hmHot.find('.hot-carousel');

    hotCarousel.find('.carousel').slick({
        autoplay: true,
        autoplaySpeed: 1200,
        speed: 1000,
        swipe: false,
        pauseOnFocus: false,
        vertical: true,
        arrows: false,
        dots: true,
        appendDots: hotCarousel,
        customPaging: function() {return $('');}
    });

    /* Layout */
    var hmLayout = $('.hm-layout'),
        hmlInfo = hmLayout.find('.hml-info'),
        hmlItem = hmLayout.find('.hml-item');

    setHmlItem();
    $(window).resize(function () {
        setHmlItem();
    });

    function setHmlItem() {
        if ($(window).width() > 991) {
            hmlItem.on({
                mouseenter: function () {
                    var _index = $(this).index() + 1;

                    hmlInfo.addClass('hml' + _index);
                },
                mouseleave: function () {
                    var _index = $(this).index() + 1;

                    hmlInfo.removeClass('hml' + _index);
                }
            })
        } else {
            hmlItem.off('mouseenter mouseleave');
        }
    }

}(jQuery));