"""Celery application for async background tasks."""

from celery import Celery

from app.config import settings

celery_app = Celery(
    "loghive",
    broker=settings.CELERY_BROKER_URL,
    backend=settings.CELERY_RESULT_BACKEND,
    include=["celery_worker.tasks"],
)

celery_app.conf.update(
    task_serializer="json",
    accept_content=["json"],
    result_serializer="json",
    timezone="UTC",
    enable_utc=True,
    task_track_started=True,
    task_acks_late=True,
    worker_prefetch_multiplier=1,
    beat_schedule={
        "evaluate-alert-rules": {
            "task": "celery_worker.tasks.evaluate_alerts",
            "schedule": settings.ALERT_CHECK_INTERVAL_SECONDS,
        },
        "cleanup-old-log-indices": {
            "task": "celery_worker.tasks.cleanup_old_indices",
            "schedule": 3600,  # once per hour
        },
    },
)