check invalid and complete statuses

lib/extensions/admin/login/js/app.js

@@ -3,6 +3,7 @@
 
 var meta = {};
 var magic;
+var domainname;
 
 function checkStatus() {
   // TODO use Location or Link
@@ -36,7 +37,24 @@ function submitCode(pair) {
   , cors: true
   }).then(function (resp) {
     return resp.json().then(function (data) {
+      // TODO check for error (i.e. bad Pair Code / PIN)
+      // shouldn't be pending (because we get here by being ready)
+      // should poll over 'ready'
+      if ('invalid' === data.status) {
+        window.alert("something went wrong");
+        return;
+      }
+      if ('complete' === data.status) {
+        setTimeout(function () {
+          window.document.body.innerHTML += ('<img src="https://' + domainname + '/">');
+          // TODO once this is loaded (even error) Let's Encrypt is done,
+          // then it's time to redirect to the domain. Yay!
+        }, 1 * 1000);
+        return;
+      }
+
       setTimeout(checkStatus, 0);
+
       document.querySelector('.js-authz').hidden = false;
       console.log(data);
       /*
@@ -45,6 +63,7 @@ function submitCode(pair) {
       });
       */
       document.querySelectorAll('.js-new-href').forEach(function ($el) {
+        domainname = data.domains[0];
         $el.href = 'https://' + data.domains[0] + '/';
         $el.innerText = '🔐 https://' + data.domains[0];
       });