"""
daemon.py - Background polling loop for scheduled tasks

Override poll_callback() with your domain-specific logic.
"""

import time
import logging

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

POLL_INTERVAL = int(os.environ.get("POLL_INTERVAL", 60))


def poll_callback():
    """
    Override this function with your domain logic.
    Called every POLL_INTERVAL seconds.
    """
    pass


def daemon_loop():
    logger.info("Scheduler daemon starting")
    while True:
        try:
            poll_callback()
        except Exception as e:
            logger.error(f"Poll callback error: {e}")
        time.sleep(POLL_INTERVAL)


if __name__ == "__main__":
    import os

    daemon_loop()