function initializeBodyData() {
  fetchBaseData();
}

function fetchBaseData() {
  var xmlhttp;
  if (window.XMLHttpRequest) {
      xmlhttp = new XMLHttpRequest();
  } else {
      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  }
  xmlhttp.onreadystatechange = function() {
      if (xmlhttp.readyState == XMLHttpRequest.DONE ) {
        var json = JSON.parse(xmlhttp.responseText);
        if (json.token) {
          removeExistingCSRF();
        }
        var meta = document.createElement('meta');
        var metaTag = document.querySelector("meta[name='csrf-token']");
        meta.name = "csrf-param";
        meta.content = json.param;
        document.getElementsByTagName('head')[0].appendChild(meta);
        var meta = document.createElement('meta');
        meta.name = "csrf-token";
        meta.content = json.token;
        document.getElementsByTagName('head')[0].appendChild(meta);
        document.getElementsByTagName('body')[0].dataset.loaded = "true";
        if (checkUserLoggedIn()) {
          document.getElementsByTagName('body')[0].dataset.user = json.user;
          browserStoreCache("set",json.user)
          setTimeout(function(){
            if (typeof ga === "function") {
              ga('set', 'userId', JSON.parse(json.user).id);
            }
          },400)
        }
      }
    };
  var timeString = (Date.now()).toString();
  xmlhttp.open("GET", "/async_info/base_data", true);
  xmlhttp.send();
}


function removeExistingCSRF(){
  var csrfTokenMeta = document.querySelector("meta[name='csrf-token']");
  var csrfParamMeta = document.querySelector("meta[name='csrf-param']");
  if (csrfTokenMeta && csrfParamMeta) {
    csrfTokenMeta.parentNode.removeChild(csrfTokenMeta);
    csrfParamMeta.parentNode.removeChild(csrfParamMeta);
  }
}