import os
from apscheduler.schedulers.asyncio import AsyncIOScheduler

_scheduler = AsyncIOScheduler(timezone="UTC")

VK_HOUR   = int(os.getenv("VK_IMPORT_HOUR",   "6"))
VK_MINUTE = int(os.getenv("VK_IMPORT_MINUTE", "0"))


def start():
    from vk_parser import run_import
    _scheduler.add_job(
        run_import,
        trigger="cron",
        hour=VK_HOUR,
        minute=VK_MINUTE,
        id="vk_daily_import",
        replace_existing=True,
    )
    _scheduler.start()
    print(f"[Scheduler] VK-импорт запланирован на {VK_HOUR:02d}:{VK_MINUTE:02d} UTC каждый день")


def shutdown():
    if _scheduler.running:
        _scheduler.shutdown(wait=False)