function hi(name) {
    alert('Hi ' + name)
}

function getUserData() {
    let userData = null

    var is_logged_in = "false"
    if (is_logged_in == "true" ) {
        userData = {
            ContactID : "",
            FirstName : "",
            LastName :  "",
            JobTitle : "",
            Company : "",
            Email : "",
            current_ip_address : "",
        }
    }

    return userData;    
}


function gate_this_page() {
    relogin()
}

function relogin() {
//TO TEST
//https://localhost/jslib/main_test.html
//https://localhost/tdf/earlyaccess/Hub.aspx

   //alert('relogin called');

  var userData = getUserData()    // see if already logged in successfully
  if ( userData != null ) {       // if good then no need to do anything
     console.log("we have user data so we are good - returning back");
     return;
  }


  var ck_fallback_cookie = getCookie("fallback_cookie");                          // see if fallback cookie exist
  console.log(ck_fallback_cookie);
   
  if ( ! ( ck_fallback_cookie == null || ck_fallback_cookie == "" ) )             // if yes then try to relogin automatically otherwise even relogin will redirect to manual login
  {                                                                               // so both IF and ELSE block are same for now
     console.log("we have fallback cookie, need to redirect to relogin.aspx")
     location.href = "/tdf/account/relogin.aspx"  // need to send url here or may be get it from referrer
  }
  else 
  {
     // for now the relogin takes care of both auto-login as well as manual login so this block is same as IF block

     console.log("we DO NOT have any cookie, need to redirect to relogin.aspx or manual login")
     location.href = "/tdf/account/relogin.aspx"  // need to send url here or may be get it from referrer
  }

}


function silent_login_if_possible() {
//TO TEST
//https://localhost/jslib/main_test.html
//https://localhost/tdf/earlyaccess/Hub.aspx

   //alert('silent_login_if_possible called');

  var userData = getUserData()    // see if already logged in successfully
  if ( userData != null ) {       // if good then no need to do anything
     console.log("we have user data so we are good - returning back");
     return;
  }


  var ck_fallback_cookie = getCookie("fallback_cookie");                          // see if fallback cookie exist
  console.log(ck_fallback_cookie);
   
  if ( ! ( ck_fallback_cookie == null || ck_fallback_cookie == "" ) )             // if yes then try to relogin automatically otherwise even relogin will redirect to manual login
  {                                                                               // so both IF and ELSE block are same for now
     console.log("we have fallback cookie, need to redirect to relogin.aspx")
     location.href = "/tdf/account/relogin.aspx"  // need to send url here or may be get it from referrer
  }

}




//  ************ UTIL FUNCS *****************

function setCookie(cname, cvalue, exdays) {
  const d = new Date();
  d.setTime(d.getTime() + (exdays*24*60*60*1000));
  let expires = "expires="+ d.toUTCString();
  document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}


function getCookie(cname) {
  let name = cname + "=";
  let decodedCookie = decodeURIComponent(document.cookie);
  let ca = decodedCookie.split(';');
  for(let i = 0; i <ca.length; i++) {
    let c = ca[i];
    while (c.charAt(0) == ' ') {
      c = c.substring(1);
    }
    if (c.indexOf(name) == 0) {
      return c.substring(name.length, c.length);
    }
  }
  return "";
}