"""定时任务模块（骨架：不注册业务任务）"""
import logging

from apscheduler.schedulers.background import BackgroundScheduler

logger = logging.getLogger(__name__)
scheduler = BackgroundScheduler()


def init_scheduled_tasks(get_db_session):
    """初始化定时任务（骨架工程无默认任务）"""
    if scheduler.running:
        return
    scheduler.start()
    logger.info("定时任务调度器已启动（骨架模式：无业务 Job）")


def shutdown_scheduler():
    if scheduler.running:
        scheduler.shutdown(wait=False)
        logger.info("定时任务调度器已关闭")


__all__ = [
    "scheduler",
    "init_scheduled_tasks",
    "shutdown_scheduler",
]