function getQueryVariable(variable)
{
       var query = window.location.search.substring(1);
       var vars = query.split("&");
       for (var i=0;i<vars.length;i++) {
               var pair = vars[i].split("=");
               if(pair[0] == variable){return pair[1];}
       }
       return(false);
}

function checkLogin(successCallback, failureCallback) {
    console.log("Check if customer is logged in on BC Store...");

    var appClientId = "f3g0t6lxkodqtrsmlo5a3bxj9kor9sg";
    var xmlhttp = new XMLHttpRequest();
    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState == 4) {
          if (xmlhttp.status == 200) {
              console.log("Customer logged in...");
              successCallback(xmlhttp.responseText);
          } else {
              console.log("Customer not logged...");
              failureCallback();
          }
        }
      }

    xmlhttp.open("GET", "/customer/current.jwt?app_client_id="+appClientId, true);
    xmlhttp.send();
}

function loadIframe(customer_endoded_data) {
    console.log("Loading customer logged Iframe...");

    var xmlhttp_subscrimia_load_iframe = new XMLHttpRequest();
    xmlhttp_subscrimia_load_iframe.onreadystatechange = function() {
        if (xmlhttp_subscrimia_load_iframe.readyState == 4) {

          if (xmlhttp_subscrimia_load_iframe.status == 200) {

              var customer_portal_url = xmlhttp_subscrimia_load_iframe.responseText;
              if ( getQueryVariable("h") && customer_portal_url.indexOf(getQueryVariable("h")) == -1 ) {
                  console.log("Customer authenticated doesn't match with the customer on parameters, logged out...")
                  logoutCurrentCustomer(loginAndRedirect);
                  return;
              }

              var iframe_content = "<iframe frameBorder='0' style='width: 100%; overflow: hidden; position: relative; z-index: 0;' id='subscrimia-customer-portal' src='" + customer_portal_url + "?embedded=1'>"+"</iframe>";

              if (document.getElementById("subscrimia-customer-portal-container")) {
                console.log("Iframe already loaded...")
                return;
              }

              var tmpObj = document.createElement("div");
              tmpObj.id = "subscrimia-customer-portal-container";
              tmpObj.innerHTML= iframe_content;
              document.getElementById("subscrimia-portal-script").parentNode.appendChild( tmpObj );
              console.log("Iframe loaded into parent of script...");

              var sheet = document.createElement('style')
              sheet.innerHTML = " \
                @media (min-width:320px)  { /* smartphones, iPhone, portrait 480x320 phones */ }\
                @media (min-width:481px)  { /* portrait e-readers (Nook/Kindle), smaller tablets @ 600 or @ 640 wide. */ }\
                @media (min-width:641px)  { #subscrimia-customer-portal-container {min-width:500px} /* portrait tablets, portrait iPad, landscape e-readers, landscape 800x480 or 854x480 phones */ }\
                @media (min-width:961px)  { #subscrimia-customer-portal-container {min-width:800px} /* tablet, landscape iPad, lo-res laptops ands desktops */ }\
                @media (min-width:1025px) { #subscrimia-customer-portal-container {min-width:800px} /* big landscape tablets, laptops, and desktops */ }\
                @media (min-width:1281px) { #subscrimia-customer-portal-container {min-width:800px} /* hi-res laptops and desktops */ }\
              ";
              document.body.appendChild(sheet);
              console.log("Iframe styles loaded on body...");

              iFrameResize({"checkOrigin": false, "inPageLinks": true});

              console.log("Finished loading");

          } else {
            console.log("Error loading iframe.")
          }

        }
    }

    var portal_page_param = "";
    if (window.location && window.location.hash){
      portal_page_param = window.location.hash.substr(1);
    }
    xmlhttp_subscrimia_load_iframe.open("GET", "https://subscrimia.com/resource/portaldecode/?hash="+customer_endoded_data+"&page="+portal_page_param, true);
    xmlhttp_subscrimia_load_iframe.send();
}

function loginAndRedirect() {
    console.log("Login non authenticated user using JWT method ...");

    if (!getQueryVariable("h")) {
      window.location.href = "/login.php?from=subscriptions"
      console.log("Non auth parameters...");
      return;
    }

    var xmlhttp_subscrimia = new XMLHttpRequest();

    xmlhttp_subscrimia.onreadystatechange = function() {
      if (xmlhttp_subscrimia.readyState == 4) {
        if (xmlhttp_subscrimia.status == 200) {
          console.log("User authenticated succesfully, redirecting to JWT Auth Method...");
          window.location.href = "/login/token/"+xmlhttp_subscrimia.responseText;
        } else {
          console.log("Not loaded encoded login response");
        }
      }
    }

    var portal_page_param = "";
    if (window.location && window.location.hash){
      portal_page_param = window.location.hash.substr(1);
    }

    xmlhttp_subscrimia.open("GET", "https://subscrimia.com/resource/portalloginencode/?h="+getQueryVariable("h")+"&page="+portal_page_param, true);
    xmlhttp_subscrimia.send();
}

function logoutCurrentCustomer(successCallback) {
    var xmlhttp_subscrimia = new XMLHttpRequest();
    xmlhttp_subscrimia.onreadystatechange = function() {
      if (xmlhttp_subscrimia.readyState == 4) {
        successCallback();
      }
    }
    xmlhttp_subscrimia.open("GET", "/login.php?action=logout", true);
    xmlhttp_subscrimia.send();
}


checkLogin(loadIframe, loginAndRedirect);