import asyncio
import logging

from app.config import get_settings
from app.db.base import SessionLocal
from app.reminders_scoped.fire import process_due_reminders

logger = logging.getLogger(__name__)

WATCH_INTERVAL_SEC = 30


async def reminders_watcher_loop() -> None:
    while True:
        try:
            await asyncio.sleep(WATCH_INTERVAL_SEC)
            if not get_settings().reminders_enabled:
                continue
            await _tick()
        except asyncio.CancelledError:
            raise
        except Exception:
            logger.exception("Reminders watcher error")


async def _tick() -> None:
    db = SessionLocal()
    try:
        await process_due_reminders(db)
    finally:
        db.close()