predict wss url

base/settings/settings.js

@@ -55,7 +55,7 @@ function save() {
 
 // Restores select box and checkbox state using the preferences
 // stored in chrome.storage.
-function load() {
+function load(){
     if (chrome && chrome.storage && chrome.storage.local) {
         chrome.storage.local.get({
             baseURL: getMessage("settingsFormInputRequired"),
@@ -69,5 +69,23 @@ function load() {
     }
 }
 
-document.addEventListener('DOMContentLoaded', load);
-saveButton.addEventListener('click', validateAndSave);
+function autofillWSSURL() {
+    console.log('here am i');
+    if (stammTVBaseUrl.value.startsWith('http')) {
+        let predictedWSSURL = stammTVBaseUrl.value.replace('https', 'wss').replace('http', 'wss');
+        if (predictedWSSURL.endsWith('/')) {
+            predictedWSSURL += 'wss'
+        } else {
+            predictedWSSURL += '/wss'
+        }
+        stammTVWSSUrl.value = predictedWSSURL;
+    }
+}
+
+document.addEventListener('DOMContentLoaded', init);
+
+function init() {
+    stammTVBaseUrl.onchange = autofillWSSURL;
+    saveButton.addEventListener('click', validateAndSave);
+    load();
+}