# app/modules/loyalty/tasks/point_expiration.py
"""
Point expiration task.

Handles expiring points that are older than the configured
expiration period (future enhancement).
"""

import logging

from celery import shared_task

logger = logging.getLogger(__name__)


@shared_task(name="loyalty.expire_points")
def expire_points() -> dict:
    """
    Expire points that are past their expiration date.

    This is a placeholder for future functionality where points
    can be configured to expire after a certain period.

    Returns:
        Summary of expired points
    """
    # Future implementation:
    # 1. Find programs with point expiration enabled
    # 2. Find cards with points earned before expiration threshold
    # 3. Calculate points to expire
    # 4. Create adjustment transactions
    # 5. Update card balances
    # 6. Notify customers (optional)

    logger.info("Point expiration task running (no-op for now)")

    return {
        "status": "success",
        "cards_processed": 0,
        "points_expired": 0,
    }