function isWeixin() { //判断是否是微信
  var ua = navigator.userAgent.toLowerCase();
  return ua.match(/MicroMessenger/i) == "micromessenger";
};
function getSystem() {
  var u = navigator.userAgent;
  var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1;
  var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
  if (isAndroid) {
    return 'Android'
  } else if (isiOS) {
    return 'IOS'
  }
}
$(function () {
  $('.js-downUrl').on('click', function (e) {
    var goUrl = $(this).attr('goUrl') || 'javascript:void(0);'
    if (isWeixin()) {
      if ($('.wxDown').length) {
        $('.wxDown').show()
        return false;
      }
      
      var system = getSystem()
      var label = ''
      var html = ''
      if (system === 'Android') {
        label = '选择在游览器中打开'
      } else if (system === 'IOS') {
        label = '选择<img class="img2" src="./image/icon_safari.png" alt="">在safari中打开'
      }
      var html = '<div class="wxDown">\n' +
        '    <div class="wxDown_cnt">\n' +
        '        <img class="topicon" src="./image/sanjiaox.png" alt="">\n' +
        '        <div class="item">\n' +
        '            <i class="ids">1</i>\n' +
        '            <p class="text">点击右上角 <img class="img1" src="./image/dian.png" alt=""> 按钮</p>\n' +
        '        </div>\n' +
        '        <div class="item">\n' +
        '            <i class="ids">2</i>\n' +
        '            <p class="text">'+label+'</p>\n' +
        '        </div>\n' +
        '    </div>\n' +
        '</div>'
      $('body').append(html)
      $('.wxDown').on('click', function () {
        $('.wxDown').hide()
      })
    } else {
      if (! $('#js-created-a').length) {
        $('body').append('<a href="' + goUrl + '" id="js-created-a"></a>')
      } else {
        $('#js-created-a').attr('href', goUrl)
      }
      $('#js-created-a')[0].click()
    }
    return false;
  })

  // var reg = new RegExp('wx_app_id=([^&]*)[&|$]', 'g')
  // var exp = reg.exec(window.location.search)
  var wxAppId = $('#wxAppId').val()
  var shareTitle = $('#shareTitle').val()
  var shareDesc = $('#shareDesc').val()
  var shareImage = $('#shareImage').val()
  if (wxAppId) {
    $.ajax({
      url: 'https://miniapi.beibaoyx.com/share/index',
      data: {
        wx_app_id: wxAppId,
        share_url: window.location.origin + window.location.pathname + window.location.search
      },
      dataType: 'jsonp',
      success: function (res) {
        if (res.code === 200) {
          wx.config({
            appId: res.data.wx_app_id,
            timestamp: res.data.timestamp,
            nonceStr: res.data.nonceStr,
            signature: res.data.signature,
            jsApiList: ['updateAppMessageShareData', 'updateTimelineShareData', 'onMenuShareWeibo']
          })

          wx.ready(function () {
            // “分享给朋友”及“分享到QQ”
            wx.updateAppMessageShareData({
              title: shareTitle, // 分享标题
              desc: shareDesc, // 分享描述
              link: window.location.href, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
              imgUrl: shareImage // 分享图标
            }, function(res) {
              //这里是回调函数
            })

            // “分享到朋友圈”及“分享到QQ空间”
            wx.updateTimelineShareData({
              title: shareTitle, // 分享标题
              link: window.location.href, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
              imgUrl: shareImage // 分享图标
            }, function(res) {
              //这里是回调函数
            })

            // “分享到腾讯微博”
            wx.onMenuShareWeibo({
              title: shareTitle, // 分享标题
              desc: shareDesc, // 分享描述
              link: window.location.href, // 分享链接
              imgUrl: shareImage, // 分享图标
              success: function () {
                // 用户确认分享后执行的回调函数
              },
              cancel: function () {
                // 用户取消分享后执行的回调函数
              }
            })
          })
        }
      }
    })
  }
})