var Util = {
    /**
     * 获取url中"?"符后的字串
     * let code = getRequestParam()["code"]
     *
     * @returns {Object}
     */
    getRequestParam : function() {
        var url = location.search;
        var theRequest = new Object();
        if (url.indexOf("?") != -1) {
            var str = url.substr(1);
            var strs = str.split("&");
            for(var i = 0; i < strs.length; i ++) {
                theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]);
            }
        }
        return theRequest;
    },

    /**
     * 微信JSAPI分享
     * config = {
     *     appId :
     *     timestamp :
     *     nonceStr :
     *     signature :
     *     logo :
     *     url : window.location.href
     *     title :
     *     desc :
     * }
     */
    wxjsapiShare : function(config) {
        if(!wx) {
            return;
        }
        var logo = config.logo;
        var url = config.url;
        var title = config.title;
        var desc = config.desc;
        wx.config({
            debug: false,
            appId: config.appId,
            timestamp: config.timestamp,
            nonceStr: config.nonceStr,
            signature: config.signature,
            jsApiList: [
                'onMenuShareTimeline',
                'onMenuShareAppMessage',
                'onMenuShareQQ',
                'onMenuShareWeibo',
                'onMenuShareQZone'
            ]
        });
        wx.error(function(res){});
        wx.ready(function () {
            share();
        });
        function share() {
            wx.onMenuShareTimeline({
                title: title,
                link: url,
                imgUrl: logo,
                success: function () {
                },
                cancel: function () {
                }
            });
            wx.onMenuShareAppMessage({
                title:title,
                desc: desc,
                link: url,
                imgUrl: logo,
                type: 'link',
                dataUrl: '',
                success: function () {},
                cancel: function () {}
            });
            wx.onMenuShareQQ({
                title: title,
                desc: desc,
                link: url,
                imgUrl: logo,
                success: function () {},
                cancel: function () {}
            });
            wx.onMenuShareWeibo({
                title: title,
                desc: desc,
                link: url,
                imgUrl: logo,
                success: function () {},
                cancel: function () {}
            });
            wx.onMenuShareQZone({
                title: title,
                desc: desc,
                link: url,
                imgUrl: logo,
                success: function () {},
                cancel: function () {}
            });
        }
    },

    /**
     * 跳转或打开APP
     * @param openUrl 打开APP自定义url
     * @param callback 是否打开APP回调, 入参 1-打开APP  2-没有打开APP
     */
    jumpOrDownload : function(openUrl, callback) {
        function checkOpen(cb){
            var _clickTime = +(new Date());
            function check(elsTime) {
                if ( elsTime > 3000 || document.hidden || document.webkitHidden) {
                    cb(1);
                } else {
                    cb(0);
                }
            }
            //启动间隔20ms运行的定时器，并检测累计消耗时间是否超过3000ms，超过则结束
            var _count = 0, intHandle;
            intHandle = setInterval(function(){
                _count++;
                var elsTime = +(new Date()) - _clickTime;
                if (_count>=100 || elsTime > 3000 ) {
                    clearInterval(intHandle);
                    check(elsTime);
                }
            }, 20);
        }

        //在iframe 中打开APP
        var ifr = document.createElement('iframe');
        ifr.src = openUrl;
        ifr.style.display = 'none';

        if (callback) {
            if (Util.isWechatBrowser()) {
                console.log("在微信浏览器");
                callback(0);
            }else{
                checkOpen(function(opened){
                    callback && callback(opened);
                });
            }
        }

        document.body.appendChild(ifr);
        setTimeout(function() {
            document.body.removeChild(ifr);
        }, 2000);
    },

    /**
     * 身份证上提取性别
     * @param idcard
     * @returns {number} 1-男 0-女
     */
    gender : function(idcard) {
        if (parseInt(idcard.slice(-2, -1)) % 2 == 1) {
            return 1;
        } else {
            return 0;
        }
    },

    /**
     * 身份证提取出生日期
     * @param idcard
     * @returns {string}
     */
    birthDate : function(idcard) {
        var birthday = "";
        if(idcard != null && idcard != ""){
            if(idcard.length == 15){
                birthday = "19"+idcard.slice(6,12);
            } else if(idcard.length == 18){
                birthday = idcard.slice(6,14);
            }
            birthday = birthday.replace(/(.{4})(.{2})/,"$1-$2-");
            //通过正则表达式来指定输出格式为:1990-01-01
        }
        return birthday;
    },

    /**
     * 页面加水印
     * @param settings
     */
    watermark : function(settings) {
        //默认设置
        var defaultSettings={
            watermark_txt:"水印",
            watermark_x:20,//水印起始位置x轴坐标
            watermark_y:20,//水印起始位置Y轴坐标
            watermark_rows:20,//水印行数
            watermark_cols:20,//水印列数
            watermark_x_space:100,//水印x轴间隔
            watermark_y_space:50,//水印y轴间隔
            watermark_color:'#aaa',//水印字体颜色
            watermark_alpha:0.4,//水印透明度
            watermark_fontsize:'15px',//水印字体大小
            watermark_font:'微软雅黑',//水印字体
            watermark_width:210,//水印宽度
            watermark_height:80,//水印长度
            watermark_angle:15//水印倾斜度数
        };
        //采用配置项替换默认值，作用类似jquery.extend
        if(arguments.length===1&&typeof arguments[0] ==="object" )
        {
            var src=arguments[0]||{};
            for(key in src)
            {
                if(src[key]&&defaultSettings[key]&&src[key]===defaultSettings[key])
                    continue;
                else if(src[key])
                    defaultSettings[key]=src[key];
            }
        }

        var oTemp = document.createDocumentFragment();

        //获取页面最大宽度
        var page_width = Math.max(document.body.clientWidth,document.body.clientWidth);
        var cutWidth = page_width*0.0150;
        var page_width=page_width-cutWidth;
        //获取页面最大高度
        var page_height = Math.max(document.body.scrollHeight,document.body.clientHeight)+450;
        // var page_height = document.body.scrollHeight+document.body.scrollTop;
        //如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔
        if (defaultSettings.watermark_cols == 0 || (parseInt(defaultSettings.watermark_x + defaultSettings.watermark_width *defaultSettings.watermark_cols + defaultSettings.watermark_x_space * (defaultSettings.watermark_cols - 1)) > page_width)) {
            defaultSettings.watermark_cols = parseInt((page_width-defaultSettings.watermark_x+defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space));
            defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1));
        }
        //如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔
        if (defaultSettings.watermark_rows == 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) {
            defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space));
            defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1));
        }
        var x;
        var y;
        for (var i = 0; i < defaultSettings.watermark_rows; i++) {
            y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i;
            for (var j = 0; j < defaultSettings.watermark_cols; j++) {
                x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * j;

                var mask_div = document.createElement('div');
                mask_div.id = 'mask_div' + i + j;
                mask_div.className = 'mask_div';
                mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt));
                //设置水印div倾斜显示
                mask_div.style.webkitTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.MozTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.msTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.OTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.transform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.visibility = "";
                mask_div.style.position = "absolute";
                mask_div.style.left = x + 'px';
                mask_div.style.top = y + 'px';
                mask_div.style.overflow = "hidden";
                mask_div.style.zIndex = "9999";
                mask_div.style.pointerEvents='none';//pointer-events:none  让水印不遮挡页面的点击事件
                //mask_div.style.border="solid #eee 1px";
                mask_div.style.opacity = defaultSettings.watermark_alpha;
                mask_div.style.fontSize = defaultSettings.watermark_fontsize;
                mask_div.style.fontFamily = defaultSettings.watermark_font;
                mask_div.style.color = defaultSettings.watermark_color;
                mask_div.style.textAlign = "center";
                mask_div.style.width = defaultSettings.watermark_width + 'px';
                mask_div.style.height = defaultSettings.watermark_height + 'px';
                mask_div.style.display = "block";
                oTemp.appendChild(mask_div);
            };
        };
        document.body.appendChild(oTemp);
    },

    isAppWebView : function(appWebView) {
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.indexOf(appWebView)>-1){
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 是否在android设备
     * @returns {boolean}
     */
    isAndroid : function() {
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/android/ig)){
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 是否在IOS设备
     * @returns {boolean}
     */
    isIOS : function() {
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/iphone|ipod|ipad/ig)){
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 是否在iphone设备
     * @returns {boolean}
     */
    isIphone : function() {
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/iphone|ipod/ig)){
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 是否在ipad设备
     * @returns {boolean}
     */
    isIpad : function() {
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/ipad/ig)){
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 判断是否在微信浏览器
     * @returns {boolean}
     */
    isWechatBrowser : function(){
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/MicroMessenger/i) == 'micromessenger'){
                return true;
            }else{
                return false;
            }
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 是否在支付宝公众号webview里面
     * @returns {boolean}
     */
    isAliBrowser : function(){
        try{
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/aliapp/i) == 'aliapp'){
                return true;
            }else if(ua.match(/alipayclient/i) == 'alipayclient') {
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 判断是否在支付宝小程序
     * @returns {boolean}
     */
    isAliProgramBrowser : function(){
        try{
            if(window.my && window.my.tradePay) {
                return true;
            }
            return false;
        }catch (e) {
            console.error(e);
            return false;
        }
    },

    /**
     * 是否Iphone全面屏手机
     * @returns {Window | boolean}
     */
    isNewIpPhone : function() {
        return window
            && navigator.userAgent.indexOf('iPhone')>-1
            && window.screen.height >= 812 &&
            window.devicePixelRatio >= 2;
    },

    /**
     * 站长统计
     * 页面PV自动统计:
     *              var _czc = _czc || [];
     *              Util.cnzz();
     * 页面PV自定义统计:
     *              var _czc = _czc || [];
     *              Util.cnzzAutoPageview(_czc, false);
     *              Util.cnzz();
     *              Util.cnzzTrackPageView(_czc, "/index.html");
     *
     * 事件统计:
     *              var _czc = _czc || [];
     *              Util.cnzzTrackEvent(_czc, category, action, label);
     */
    cnzz : function(cnzzId) {
        if(!document.getElementById("cnzz_stat_icon_"+cnzzId)) {
            try {
                var cnzz_protocol = (("https:" == document.location.protocol) ? "https://" : "http://");
                document.write(unescape("%3Cspan id='cnzz_stat_icon_"+cnzzId+"'%3E%3C/span%3E%3Cscript src='" + cnzz_protocol + "s4.cnzz.com/z_stat.php%3Fid%3D"+cnzzId+"' type='text/javascript'%3E%3C/script%3E"));
            } catch(e) {
                console.log(e);
            }
        }
        document.getElementById("cnzz_stat_icon_"+cnzzId).style.display="none";
    },

    /**
     * 设置是否自动PV统计
     * @param _czc
     * @param autopageview
     */
    cnzzAutoPageview : function(_czc, autopageview) {
        _czc = _czc || [];
        _czc.push(["_setAutoPageview",autopageview]);
    },

    /**
     * 页面访问统计
     * @param _czc
     * @param content_url 访问页面
     * @param referer_url 来源页面
     */
    cnzzTrackPageView : function(_czc, content_url, referer_url) {
        _czc = _czc || [];
        _czc.push(["_trackPageview",content_url,referer_url]);
    },

    /**
     * 事件统计
     * @param _czc
     * @param category 表示事件发生在谁身上
     * @param action 表示访客跟元素交互的行为动作
     * @param label 用于更详细的描述事件
     */
    cnzzTrackEvent : function(_czc, category, action, label) {
        _czc = _czc || [];
        _czc.push(["_trackEvent",category,action,label]);
    }
};