Sync widget copy translations on save

server.js

@@ -358,20 +358,20 @@ function defaultWidgetCopy(language) {
     };
   }
   return {
-    title: "Potrebujete poradit?",
-    intro: "Napiste nam. Odpovime co nejdrive.",
-    offlineIntro: "Ted nejsme online, ale zpravu nam muzete nechat.",
-    placeholder: "Napiste zpravu...",
+    title: "Potřebujete poradit?",
+    intro: "Napište nám. Odpovíme co nejdříve.",
+    offlineIntro: "Teď nejsme online, ale zprávu nám můžete nechat.",
+    placeholder: "Napište zprávu...",
     sendLabel: "Odeslat",
-    dropzoneLabel: "Pridat fotku nebo pretahnout",
+    dropzoneLabel: "Přidat fotku nebo přetáhnout",
     onlineLabel: "Jsme online",
     offlineLabel: "Offline",
-    newReplyLabel: "Nova odpoved",
-    typingLabel: "Operator pise...",
+    newReplyLabel: "Nová odpověď",
+    typingLabel: "Operátor píše...",
     infoTitle: "GDPR informace",
-    infoText: "Zpravu a technicke udaje relace zpracujeme jen pro odpoved na vas dotaz.",
-    closeLabel: "Zmensit chat",
-    operatorReplyLabel: "odpovida"
+    infoText: "Zprávu a technické údaje relace zpracujeme jen pro odpověď na váš dotaz.",
+    closeLabel: "Zmenšit chat",
+    operatorReplyLabel: "odpovídá"
   };
 }
 
@@ -522,6 +522,8 @@ async function updateSite(req, res) {
   const currentSettings = parseJson(site.settings_json, defaultSettings());
   const incomingSettings = body.settings || {};
   const settings = mergeSiteSettings(currentSettings, incomingSettings);
+  const widgetCopySync = await syncChangedWidgetCopyTranslations(currentSettings, settings);
+  syncLegacyWidgetCopy(settings);
   db.prepare(`
     UPDATE sites
     SET is_online = ?, settings_json = ?, updated_at = CURRENT_TIMESTAMP
@@ -529,7 +531,7 @@ async function updateSite(req, res) {
   `).run(body.isOnline ? 1 : 0, JSON.stringify(settings), site.id);
   const updated = getDefaultSite();
   publish("admin", { type: "site:update", site: formatSite(updated) });
-  return json(res, 200, { site: formatSite(updated), snippet: snippetFor(updated) });
+  return json(res, 200, { site: formatSite(updated), snippet: snippetFor(updated), widgetCopySync });
 }
 
 function adminUsers(res) {
@@ -1205,6 +1207,58 @@ async function translateWidgetCopyOnce(sourceCopy, sourceLanguage, targetLanguag
   }
 }
 
+async function syncChangedWidgetCopyTranslations(previousSettings, nextSettings) {
+  const languageSettings = normalizeWidgetLanguageSettings(nextSettings.widgetLanguage);
+  const defaultLanguage = languageSettings.defaultLanguage;
+  const previousCopy = normalizeWidgetCopy(previousSettings.widgetCopy || {}, previousSettings);
+  const nextCopy = normalizeWidgetCopy(nextSettings.widgetCopy || {}, nextSettings);
+  const previousDefaultCopy = previousCopy[defaultLanguage] || {};
+  const nextDefaultCopy = nextCopy[defaultLanguage] || {};
+  const changedFields = WIDGET_COPY_FIELDS.filter((field) =>
+    String(previousDefaultCopy[field] || "").trim() !== String(nextDefaultCopy[field] || "").trim()
+  );
+  if (!changedFields.length) return { changedFields: [], languages: [], translated: false, errors: [] };
+
+  const translationSettings = {
+    ...defaultSettings().translations,
+    ...(nextSettings.translations || {})
+  };
+  const apiKey = normalizeOpenAiApiKey(translationSettings.openaiApiKey) || OPENAI_API_KEY;
+  const model = String(translationSettings.model || OPENAI_TRANSLATION_MODEL).trim() || OPENAI_TRANSLATION_MODEL;
+  const languages = Object.keys(nextCopy)
+    .map(allowedWidgetLanguage)
+    .filter((language, index, list) => language && language !== defaultLanguage && list.indexOf(language) === index);
+
+  if (!languages.length) return { changedFields, languages: [], translated: false, errors: [] };
+  if (!translationSettings.enabled || !apiKey) {
+    return { changedFields, languages, translated: false, errors: languages.map((language) => ({ language, error: "missing_ai_settings" })) };
+  }
+
+  nextSettings.widgetCopy = nextCopy;
+  const errors = [];
+  let translated = 0;
+  for (const language of languages) {
+    nextSettings.widgetCopy[language] = normalizeWidgetCopyEntry(nextSettings.widgetCopy[language] || {}, language);
+    for (const field of changedFields) {
+      const value = String(nextDefaultCopy[field] || "").trim();
+      if (!value) {
+        nextSettings.widgetCopy[language][field] = "";
+        translated += 1;
+        continue;
+      }
+      try {
+        const result = await translateText(value, language, model, apiKey);
+        nextSettings.widgetCopy[language][field] = String(result.translatedText || value).trim();
+        translated += 1;
+      } catch (error) {
+        console.error("widget_copy_sync_failed", language, field, error.message);
+        errors.push({ language, field, error: classifyOpenAiError(error.message), message: error.message });
+      }
+    }
+  }
+  return { changedFields, languages, translated: translated > 0, errors };
+}
+
 function widgetCopyLooksUntranslated(sourceCopy, translatedCopy) {
   const importantFields = ["title", "intro", "offlineIntro", "placeholder", "sendLabel"];
   return importantFields.every((field) => String(sourceCopy[field] || "").trim() === String(translatedCopy[field] || "").trim());