# backend/app/worker/runner.py — 스케줄러 전용 컨테이너 진입점 (phase-15)
# WORKER_ENABLED=true 일 때만 주기 잡 실행. APScheduler 있으면 사용, 없으면 단순 루프 폴백.
import time

from ..config import get_settings
from ..observability.logging import configure_logging, get_logger
from .main import register


def _fallback_loop() -> None:
    """APScheduler 미설치 시: sync_interval 마다 능동/동기화 잡 실행."""
    from sqlmodel import Session

    from ..db import engine
    from .jobs.proactive import run_proactive
    from .sync_jobs import run_periodic_sync

    log = get_logger("ari.worker")
    interval = max(60, get_settings().sync_interval_minutes * 60)
    while True:
        try:
            with Session(engine) as s:
                run_proactive(s)
                run_periodic_sync(s)
            log.info("worker.tick", extra={"event": "worker.tick"})
        except Exception:  # 잡 실패가 워커를 죽이지 않음
            log.exception("worker.tick failed")
        time.sleep(interval)


def main() -> None:
    configure_logging(get_settings().log_level)
    log = get_logger("ari.worker")
    if not get_settings().worker_enabled:
        log.info("WORKER_ENABLED=false — 워커 미가동(수동 트리거 /api/worker/run/{job} 사용)")
        return
    try:
        from apscheduler.schedulers.blocking import BlockingScheduler  # type: ignore

        sched = BlockingScheduler(timezone="UTC")
        register(sched)
        log.info("worker scheduler started (APScheduler)")
        sched.start()
    except ImportError:
        log.info("APScheduler 미설치 — 단순 루프 폴백")
        _fallback_loop()


if __name__ == "__main__":
    main()