(function ($) {
    var appid,
        timestamp,
        noncestr,
        signature,
        imgurl,
        title,
        desc;

    if (isweixinbrowser() && checkweixinshareenable()) {
        getweixinshareparameters();
    }

    function setimgurl() {
        imgurl = $('meta[name="image"]').attr("content");
    }

    function settitle() {
        title = $('meta[name="articletitle"]').attr('content');
    }

    function setdesc() {
        title = $('meta[name="description"]').attr('content');
    }

    function getweixinshareparameters() {
        setimgurl();
        settitle();
        setdesc();
        if (imgurl || title || desc) {
            $.ajax({
                type: "get",
                url: "/weixin/home/ajaxgetweixinshareparameters",
                datatype: 'json',
                async: false,
                data: { currenturl: getsharedurl() },
                success: function (data) {
                    if (data !== false) {
                        appid = data.appid;
                        timestamp = data.timestamp;
                        noncestr = data.noncestr;
                        signature = data.signature;
                        setwxconfig();
                    }
                }
            });
        }
    }

    function setwxconfig() {
        wx.config({
            debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。
            appid: appid, // 必填，公众号的唯一标识
            timestamp: timestamp, // 必填，生成签名的时间戳
            noncestr: noncestr, // 必填，生成签名的随机串
            signature: signature, // 必填，签名
            jsapilist: [
                "checkjsapi",
                'onmenusharetimeline',
                'onmenushareappmessage',
                'onmenushareqq',
                'onmenushareweibo',
                'hidemenuitems',
                'showmenuitems',
                'hideallnonbasemenuitem',
                'showallnonbasemenuitem',
                'translatevoice',
                'startrecord',
                'stoprecord',
                'onrecordend',
                'playvoice',
                'pausevoice',
                'stopvoice',
                'uploadvoice',
                'downloadvoice',
                'chooseimage',
                'previewimage',
                'uploadimage',
                'downloadimage',
                'getnetworktype',
                'openlocation',
                'getlocation',
                'hideoptionmenu',
                'showoptionmenu',
                'closewindow',
                'scanqrcode',
                'choosewxpay',
                'openproductspecificview',
                'addcard',
                'choosecard',
                'opencard'
            ]
        });

        wx.error(function (res) {
            console.log(res);
            console.warn('微信验证失败，分享功能无法正常使用！');
        });

        wx.ready(function () {
            wx.onmenusharetimeline({
                title: title,
                desc: desc,
                imgurl: imgurl
            });

            wx.onmenushareappmessage({
                title: title,
                desc: desc,
                imgurl: imgurl
            });
        });
    }

    function isweixinbrowser() {
        var useragent = window.navigator.useragent.tolowercase();
        if (useragent.match(/micromessenger/i) == 'micromessenger') {
            return true;
        } else {
            return false;
        }
    }
    function checkweixinshareenable() {
        var siteid = $("meta[name=siteid]").attr("content");
        var weixinshareitem = window.power_weixinshare_config && window.power_weixinshare_config.weixinshareitems && window.power_weixinshare_config.weixinshareitems[siteid];
        return weixinshareitem;
    }

    function getsharedurl() {
        var hrefurl = location.href;
        var query = location.search;
        if (query) {
            if (query.indexof('sessionverify=') > -1) {
                return location.origin + location.pathname;
            }
        }
        return hrefurl;
    }
})(jquery);