From f09516e9dc2ab11eee1cf7d20abbfbc4fa9c1cc4 Mon Sep 17 00:00:00 2001
From: Ihor_Zhekov <ihor@profice.ai>
Date: Thu, 26 Feb 2026 10:39:05 +0100
Subject: [PATCH] s

---
 WebApp/app.js | 34 ++++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/WebApp/app.js b/WebApp/app.js
index 8bc47fa..83f9d13 100644
--- a/WebApp/app.js
+++ b/WebApp/app.js
@@ -254,6 +254,28 @@ function showFallback() {
 
 // ─── n8n Webhook (#5.2, #6) ──────────────────────────────────
 
+/** Extract reply text from various n8n response formats */
+function extractReply(data) {
+  if (!data) return null;
+  // Handle array responses (n8n sometimes returns [{ ... }])
+  const obj = Array.isArray(data) ? data[0] : data;
+  if (!obj || typeof obj !== 'object') return typeof data === 'string' ? data : null;
+  // Check common field names
+  const keys = ['reply', 'output', 'text', 'message', 'response', 'answer', 'content'];
+  for (const k of keys) {
+    if (obj[k] && typeof obj[k] === 'string' && obj[k].trim()) return obj[k];
+  }
+  // Check nested: obj.data.text, obj.result.text, etc.
+  for (const wrapper of ['data', 'result', 'body']) {
+    if (obj[wrapper] && typeof obj[wrapper] === 'object') {
+      for (const k of keys) {
+        if (obj[wrapper][k] && typeof obj[wrapper][k] === 'string' && obj[wrapper][k].trim()) return obj[wrapper][k];
+      }
+    }
+  }
+  return null;
+}
+
 async function postWebhook(body) {
   const url = (CFG.webhook_base || '').replace(/\/$/, '');
   const res = await fetch(url, {
@@ -279,11 +301,11 @@ async function startSession(entry) {
   const typing = showTyping();
   try {
     const data = await postWebhook(payload);
+    console.log('[FestivalGuide] start response:', JSON.stringify(data));
     if (typing) typing.remove();
-    const reply = (data?.reply && typeof data.reply === 'string')
-      ? data.reply
-      : (entry === 'truck' ? CFG.chat_welcome_truck : CFG.chat_welcome_family)
-        || 'Hi! Ich bin dein Festival-Guide. Sag mir kurz: Tagesbesuch oder Wochenende?'; // #5.2 fallback
+    const reply = extractReply(data)
+      || (entry === 'truck' ? CFG.chat_welcome_truck : CFG.chat_welcome_family)
+      || 'Hi! Ich bin dein Festival-Guide. Sag mir kurz: Tagesbesuch oder Wochenende?'; // #5.2 fallback
     appendBubble('bot', reply);
   } catch (_) {
     if (typing) typing.remove();
@@ -316,9 +338,9 @@ async function sendMessage(text) {
   const typing = showTyping();
   try {
     const data = await postWebhook(payload);
+    console.log('[FestivalGuide] message response:', JSON.stringify(data));
     if (typing) typing.remove();
-    const reply = (data?.reply && typeof data.reply === 'string' && data.reply.trim())
-      ? data.reply : '…';
+    const reply = extractReply(data) || '…';
     appendBubble('bot', reply);
   } catch (_) {
     if (typing) typing.remove();