#!/usr/bin/env python3
"""
__main__.py - Entry point for ns8-backup-monitor.

Usage:
    python3 -m ns8_backup_monitor
    python3 -m ns8_backup_monitor --config /etc/ns8-backup-monitor/config.yml
"""

import argparse
import sys

from .utils import load_config, setup_logging
from .receiver import run_server


def main():
    parser = argparse.ArgumentParser(
        description="NS8 Backup Monitor - Alertmanager webhook receiver and correlator"
    )
    parser.add_argument(
        "--config", "-c",
        metavar="PATH",
        help="Path to config.yml (default: auto-detect)",
        default=None,
    )
    args = parser.parse_args()

    try:
        config = load_config(args.config)
    except FileNotFoundError as e:
        print(f"ERROR: {e}", file=sys.stderr)
        sys.exit(1)

    setup_logging(config)

    run_server(config)


if __name__ == "__main__":
    main()