# scraper/tasks/save_tasks.py
print(">>> [IMPORT] save_tasks.py loaded")

from celery import shared_task
from logbus.publisher import log
import os


@shared_task(bind=True, queue="save", ignore_result=False)
def save_chapter(self, parsed: dict, base_path: str):
    print(f">>> [save_tasks] save_chapter() CALLED for chapter {parsed.get('chapter')}")

    try:
        chapter_number = parsed.get("chapter")
        url = parsed.get("url")
        text = parsed.get("text", "")

        if not chapter_number:
            raise ValueError("Missing chapter_number in parsed payload")

        os.makedirs(base_path, exist_ok=True)

        filename = f"{chapter_number:05d}.txt"
        path = os.path.join(base_path, filename)

        with open(path, "w", encoding="utf-8") as f:
            f.write(text)

        log(f"[SAVE] Saved chapter {chapter_number} → {path}")
        print(f">>> [save_tasks] SAVED {path}")

        return {"chapter": chapter_number, "path": path}

    except Exception as exc:
        log(f"[SAVE] ERROR saving chapter from {url}: {exc}")
        print(f">>> [save_tasks] ERROR: {exc}")
        raise