"""Celery tasks for story audio cache maintenance."""

import asyncio

from app.core.celery_app import celery_app
from app.core.logging import get_logger
from app.db.database import _get_session_factory
from app.services.story_service import prune_story_audio_cache
from app.tasks.utils import run_with_disposed_engine

logger = get_logger(__name__)


@celery_app.task
def prune_story_audio_cache_task():
    """Daily task to prune expired story audio cache files."""
    logger.info("prune_story_audio_cache_task_started")

    async def _run():
        session_factory = _get_session_factory()
        async with session_factory() as session:
            return await prune_story_audio_cache(session)

    try:
        result = asyncio.run(run_with_disposed_engine(_run()))
        logger.info("prune_story_audio_cache_task_completed", **result)
        return result
    except Exception as exc:
        logger.error("prune_story_audio_cache_task_failed", error=str(exc))
        raise