#!/usr/bin/env python
"""RQ worker entrypoint."""

from __future__ import annotations

import argparse
import sys
from pathlib import Path

ROOT_DIR = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(ROOT_DIR))
BACKEND_ROOT = ROOT_DIR / "backend"
sys.path.insert(0, str(BACKEND_ROOT))

from app.services.queue_worker import run_worker


def cmd_worker(args: argparse.Namespace) -> int:
    try:
        run_worker()
    except KeyboardInterrupt:
        return 0
    return 0


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(description="RQ background worker helpers.")
    subparsers = parser.add_subparsers(dest="command", required=True)

    worker_parser = subparsers.add_parser(
        "worker",
        help="Continuously process queued background work.",
    )
    worker_parser.set_defaults(func=cmd_worker)

    return parser


def main() -> None:
    parser = build_parser()
    args = parser.parse_args()
    sys.exit(args.func(args))


if __name__ == "__main__":
    main()