from __future__ import annotations

from datetime import datetime

from apscheduler.schedulers.background import BackgroundScheduler
from apscheduler.triggers.interval import IntervalTrigger

from app.config import settings
from app.scheduler.jobs import poll_isolarcloud_job, refresh_aer_plans_job


def build_scheduler() -> BackgroundScheduler:
    scheduler = BackgroundScheduler()
    scheduler.add_job(
        poll_isolarcloud_job,
        trigger=IntervalTrigger(minutes=settings.isolarcloud_poll_interval_minutes),
        id="poll_isolarcloud",
        next_run_time=datetime.now(),  # run once immediately on startup
        max_instances=1,
        coalesce=True,
    )
    scheduler.add_job(
        refresh_aer_plans_job,
        trigger=IntervalTrigger(hours=settings.aer_refresh_interval_hours),
        id="refresh_aer_plans",
        next_run_time=datetime.now(),
        max_instances=1,
        coalesce=True,
    )
    return scheduler