# scraper/tasks/download_tasks.py

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


@shared_task(bind=True, queue="download", ignore_result=False)
def download_chapter(self, chapter_number: int, chapter_url: str):
    """
    Download a chapter page and return raw HTML for parsing.
    Does NOT save anything; that is done by save_tasks.py
    """

    log(f"[DL] Downloading chapter {chapter_number}: {chapter_url}")

    try:
        resp = requests.get(chapter_url, timeout=15)
        resp.raise_for_status()
        html = resp.text

        log(f"[DL] OK {chapter_number}: {len(html)} bytes")

        # Dit resultaat wordt doorgegeven aan parse_task
        return {
            "chapter": chapter_number,
            "url": chapter_url,
            "html": html,
        }

    except Exception as exc:
        log(f"[DL] ERROR downloading {chapter_url}: {exc}")
        raise