Update main.py

main.py

@@ -239,19 +239,43 @@ async def get_transcript_via_supadata(video_id: str, api_key: str) -> Optional[s
         return None
     except Exception as e: logger.error(f"[Supadata] Unexpected error for {video_id}: {e}", exc_info=True); return None
 
+# --- YouTube fallback 1: Apify default transcript actor (unique definition – delete any duplicates) ---
 async def get_transcript_via_apify(video_url: str, api_token: str) -> Optional[str]:
-    """Fallback YT 1: Fetches YouTube transcript using default Apify Actor via generic function.""" # <<< UPDATED DOCSTRING & NUMBER
+    """
+    Fetch the YouTube transcript with Apify’s default “YouTube Transcript” actor
+    (ID `1s7eXiaukVuOr4Ueg`).  
+    The helper `_run_apify_actor_for_web_content` supplies the correct `run_input`
+    (including the residential proxy group), handles retries, and parses the returned
+    dataset into plain text.
+
+    Parameters
+    ----------
+    video_url : str
+        Full YouTube URL supplied by the user.
+    api_token : str
+        Apify API token that has residential proxy credit.
+
+    Returns
+    -------
+    Optional[str]
+        Combined transcript text or `None` if all attempts fail.
+    """
     global APIFY_ACTOR_ID
-    # The specific run_input logic is now handled within _run_apify_actor_for_web_content
-    # when it detects the actor_id matches APIFY_ACTOR_ID
-    # <<< UPDATED LOG MESSAGE >>>
-    logger.debug(f"[get_transcript_via_apify - Fallback 1] Calling generic runner for URL: {video_url}")
+
+    # Validate arguments
+    if not video_url:
+        logger.error("[Apify YT] No video_url provided")
+        return None
+    if not api_token:
+        logger.error("[Apify YT] API token missing.")
+        return None
+
+    logger.info(f"[Apify YT] Attempting transcript fetch via actor {APIFY_ACTOR_ID}")
     return await _run_apify_actor_for_web_content(
-        url=video_url,  # Pass video_url as the 'url' parameter
+        url=video_url,
         api_token=api_token,
         actor_id=APIFY_ACTOR_ID,
-        # <<< UPDATED ACTOR NAME IN LOGS >>>
-        actor_name="Apify YT Default (Fallback 1)"
+        actor_name="Apify YT Default (Fallback 1)"
     )
 
 async def get_transcript_via_apify_structured_extractor(video_url: str, api_token: str) -> Optional[str]:
@@ -683,18 +707,6 @@ async def _run_apify_actor_for_web_content(url: str, api_token: str, actor_id: s
     except httpx.RequestError as e: logger.error(f"{log_prefix} Request error during API interaction for {url}: {e}"); return None
     except Exception as e: logger.error(f"{log_prefix} Unexpected error during {actor_name} call for {url}: {e}", exc_info=True); return None
 
-async def get_transcript_via_apify(video_url: str, api_token: str) -> Optional[str]:
-    """Fallback YT 2: Fetches YouTube transcript using default Apify Actor via generic function."""
-    global APIFY_ACTOR_ID
-    # The specific run_input logic is now handled within _run_apify_actor_for_web_content
-    # when it detects the actor_id matches APIFY_ACTOR_ID
-    logger.debug(f"[get_transcript_via_apify] Calling generic runner for URL: {video_url}")
-    return await _run_apify_actor_for_web_content(
-        url=video_url,  # Pass video_url as the 'url' parameter
-        api_token=api_token,
-        actor_id=APIFY_ACTOR_ID,
-        actor_name="Apify YT" # Keep specific name for logging clarity
-    )
 
 async def get_website_content_via_apify_crawler(url: str, api_token: str) -> Optional[str]:
     """Fallback 4: Fetches website content using Apify Website Content Crawler."""