"""
Memory enrichment Celery task — runs asynchronously after ingest to generate
summaries, facts, and timeline events without blocking the memoir hot path.
"""

from celery import shared_task
from sqlalchemy.orm import Session

from app.core.config import settings
from app.core.db import get_sync_db
from app.core.logging import get_logger

logger = get_logger(__name__)


@shared_task(bind=True, max_retries=2, default_retry_delay=30)
def enrich_memory_source(self, user_id: str, source_id: str):
    """
    Post-ingest enrichment: session summary, rolling summary, facts, timeline.
    Runs outside the memoir Phase1 hot path so narrative generation isn't blocked.
    """
    if not settings.memory_enrichment_enabled:
        return {"status": "disabled"}

    try:
        with get_sync_db() as db:
            from app.features.memory.enrichment import enrich_memory_after_ingest_sync

            enrich_memory_after_ingest_sync(db, user_id, source_id, llm=None)
            db.commit()
            logger.info(
                "event=memory_enrichment_done user_id={} source_id={}",
                user_id,
                source_id,
            )
            return {"status": "success", "source_id": source_id}
    except Exception as e:
        logger.warning(
            "event=memory_enrichment_failed user_id={} source_id={} exc={} exc_type={}",
            user_id,
            source_id,
            e,
            type(e).__name__,
        )
        raise self.retry(exc=e) from e