fix sheets

app/utils.py

@@ -93,12 +93,23 @@ def validate_config(settings) -> None:
     Output: None (raise RuntimeError nếu thiếu)
     """
     missing = []
-    for field in [
-        'facebook_verify_token', 'facebook_app_secret',
-        'google_sheets_credentials_file', 'google_sheets_token_file', 'conversation_sheet_id',
-        'supabase_url', 'supabase_key']:
-        if not getattr(settings, field, None):
-            missing.append(field)
+    # Facebook
+    if not getattr(settings, 'facebook_verify_token', None):
+        missing.append('facebook_verify_token')
+    if not getattr(settings, 'facebook_app_secret', None):
+        missing.append('facebook_app_secret')
+    # Google Sheets: chấp nhận 1 trong 2 biến
+    if not (getattr(settings, 'google_sheets_credentials_file', None) or os.getenv("GOOGLE_SHEETS_CREDENTIALS_JSON")):
+        missing.append('google_sheets_credentials_file or GOOGLE_SHEETS_CREDENTIALS_JSON')
+    if not getattr(settings, 'google_sheets_token_file', None):
+        missing.append('google_sheets_token_file')
+    if not getattr(settings, 'conversation_sheet_id', None):
+        missing.append('conversation_sheet_id')
+    # Supabase
+    if not getattr(settings, 'supabase_url', None):
+        missing.append('supabase_url')
+    if not getattr(settings, 'supabase_key', None):
+        missing.append('supabase_key')
     if missing:
         raise RuntimeError(f"Missing config: {', '.join(missing)}")