window.ebg = window.ebg || function () {};
window.console = window.console || {
    log: function () {},
    warn: function () {},
    error: function () {},
    info: function () {}
}

// 有懒加载，大屏小屏的替换图片
ebg.prototype.eReplaceImg = function () {

    function init() {
        if ($('.e-replace-img').length > 0) {
            var winw = $(window).width();
            $('.e-replace-img').each(function () {
                var $this = $(this);
                var src = $this.attr("src");
                var img1920 = $this.data("xl");
                var img1600 = $this.data("lg");
                var img1200 = $this.data("md");
                var img992 = $this.data("sm");
                var img750 = $this.data("xs");
                if (winw > 1600) {
                    $this.attr('data-original', img1920 || img1600 || img1200 || img992 || img750 || src);
                } else if (winw > 1200) {
                    $this.attr('data-original', img1600 || img1920 || img1200 || img992 || img750 || src);
                } else if (winw > 992) {
                    $this.attr('data-original', img1200 || img1600 || img1920 || img992 || img750 || src);
                } else if (winw > 750) {
                    $this.attr('data-original', img992 || img750 || img1200 || img1600 || img1920 || src);
                } else {
                    $this.attr('data-original', img750 || img992 || img1200 || img1600 || img1920 || src);
                }
            });
        };
    }
    //对外重新初始化
    $("body").on("eReplaceImg", function () {
        init();
    });
    init();
}


// 计算同行等高方法,优化版
//  如果层级只有两级，传2个参数，如果层级有三级，传3个参数，
ebg.prototype.v3SetHeight = function (obj, obj2, obj3) {
    if (!this.resizeStackLock && this.resizeStack) {
        this.resizeStack.push({
            fn: this.v3SetHeight,
            params: arguments
        });
    }
    var This = $(obj);
    var args = arguments;
    This.each(function () {
        var _this = $(this),
            oList = _this.find(obj2),
            oList_len = oList.length,
            oBox_w = _this.width() + 10,
            oList_w = oList.width(),
            oColumn_len = Math.floor(oBox_w / oList_w),
            oRow_len = Math.ceil(oList_len / oColumn_len),
            oList_H = 0,
            oList_obj = null;
        if (args.length == 2) {
            oList.height('auto');
        } else {
            oList.find(obj3).height('auto');
        }
        for (var i = 0; i < oRow_len; i++) {
            for (var j = i * oColumn_len; j < oColumn_len * (i + 1); j++) {
                oList.eq(j).addClass('oList_obj');
                if (args.length == 2) {
                    var H = oList.eq(j).height();
                } else {
                    var H = oList.eq(j).find(obj3).height();
                }
                H > oList_H ? oList_H = H : oList_H;
                oList_obj = $('.oList_obj');
            }
            if (args.length == 2) {
                oList_obj.height(oList_H);
            } else {
                oList_obj.find(obj3).height(oList_H);
            }
            oList_obj.removeClass('oList_obj');
            oList_H = 0;
        }
    });
}


// 懒加载
ebg.prototype.lazy = function () {
    if ($('.e-lazy img').length > 0) {
        function lazyloadClearBg(obj, className) {
            var _this = $(obj);

            if (_this.parents(".e-bg").length && _this.parents(".e-bg").data("replace") != "not") {
                //请避免路径中存在空格
                _this.parents(".e-bg").css("background-image", "url(" + _this.data("original") + ")");
                _this.parents(className).hide();
            }

            if (_this.parents(className)) {
                _this.attr("src", _this.data("original"));
                _this.parents(className).css({
                    'height': 'auto',
                    'background': 'none'
                }).addClass('over');
            }
        }
        // 初始化
        var lazyLazy = new LazyLoad({
            elements_selector: ".e-lazy img",
            data_src: "original",
            callback_loaded: function (obj) {
                lazyloadClearBg(obj, ".e-lazy");
            },
            callback_enter: function (obj) {
                lazyloadClearBg(obj, ".e-lazy");
            }
        });

    }
}

// 页面自适应拉动屏幕，强制刷新
// ebg.prototype.pageResize = function () {
//     $(window).on('resize.page20220927', function () {
//         $("html,body").scrollTop(0);
//         location.reload();
//     })
// }

// 刷新页面直接回到顶部
ebg.prototype.pageTop = function () {
    if ('scrollRestoration' in history) {
        history.scrollRestoration = 'manual';
    }
}


// 检测浏览器的版本
ebg.prototype.browserVersion = function () {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串

    if ((userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i))) {
        var isIos = !!userAgent.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //判断移动端浏览器
        var isAndroid = userAgent.indexOf('Android') > -1 || userAgent.indexOf('Adr') > -1; //判断移动端浏览器
        if (isIos) {
            return "ios";
        }
        if (isAndroid) {
            if (userAgent.match(/HUAWEI/i) && userAgent.match(/MQQBrowser/i)) {
                return "huawei";
            } else if (userAgent.match(/HONOR/i) && userAgent.match(/MQQBrowser/i)) {
                return "honor";
            } else {
                return "android";
            }
        }
    } else {
        var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器
        var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器
        var isIE11 = userAgent.indexOf("rv:11") > -1;
        var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器
        var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器
        var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器
        var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Edge") == -1; //判断Chrome浏览器

        if (isIE) {
            var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
            reIE.test(userAgent);
            var fIEVersion = parseFloat(RegExp["$1"]);
            switch (fIEVersion) {
                case 6:
                    return "6";
                case 7:
                    return "7";
                case 8:
                    return "8";
                case 9:
                    return "9";
                case 10:
                    return "10";
                case 11:
                    return "11";
                default:
                    return "0"; //IE版本过低
            }
        }
        if (isFF) {
            return "FF";
        }
        if (isOpera) {
            return "Opera";
        }
        if (isSafari) {
            return "Safari";
        }
        if (isChrome) {
            return "Chrome";
        }
        if (isEdge) {
            return "Edge";
        }
        if (isIE11) {
            return '11'
        }
    }
}

var ebgLib = new ebg();
ebgLib.eReplaceImg(); //大屏小屏的图片替换
ebgLib.v3SetHeight(); //大屏小屏的图片替换
ebgLib.lazy(); //懒加载
// ebgLib.pageResize(); //页面自适应拉动屏幕，强制刷新
ebgLib.pageTop(); // 刷新页面直接回到顶部
ebgLib.browserVersion(); // 检测浏览器的版本





// 检测是哪个浏览器打开的，根据不同的浏览器，给页面html最外层的html元素添加class
if (ebgLib.browserVersion()) {
    if (ebgLib.browserVersion() <= 11) {
        $('html').addClass('ie' + ebgLib.browserVersion());
    } else {
        $('html').addClass(ebgLib.browserVersion());
    }
}