Update app.py

app.py

@@ -36,11 +36,11 @@ def save_user(data):
     with open(USER_FILE, "w") as f:
         json.dump(data, f)
 
-# --- ✅ FIX: Safe OpenAI client initialization each time ---
+# Safe OpenAI client initialization
 def get_client():
     api_key = os.getenv("OPENAI_API_KEY")
     if not api_key or api_key.strip() == "":
-        raise ValueError("OpenAI API key missing. Please add OPENAI_API_KEY in Hugging Face Secrets.")
+        raise ValueError("OpenAI API key is missing or empty. Please set OPENAI_API_KEY in Hugging Face Secrets.")
     return OpenAI(api_key=api_key)
 
 # Helpline numbers
@@ -71,6 +71,8 @@ def chat():
     try:
         data = request.get_json()
         message = data.get("message", "").strip()
+        if not message:
+            return jsonify({"reply": "Please enter a message.", "emotion": "neutral"}), 400
         mode = data.get("mode", "emotional_support")
         user_ip = request.remote_addr
 
@@ -107,7 +109,7 @@ def chat():
             )}
         ] + history
 
-        # ✅ FIX: Create client here freshly with current key
+        # Create client and make API call
         client = get_client()
         response = client.chat.completions.create(
             model="gpt-4o-mini",
@@ -121,10 +123,16 @@ def chat():
 
         return jsonify({"reply": reply, "emotion": emotion})
 
+    except ValueError as e:
+        print(f"❌ API Key Error: {e}")
+        return jsonify({
+            "reply": "API key is missing or invalid. Please check your Hugging Face Secrets.",
+            "emotion": "neutral"
+        }), 500
     except Exception as e:
         print(f"❌ Chat error: {e}")
         return jsonify({
-            "reply": "Something went wrong. Check your API key or try again.",
+            "reply": "Something went wrong (e.g., API quota exceeded or network issue). Try again later.",
             "emotion": "neutral"
         }), 500