"""CLI para el Bot de Descargas PDF."""

from __future__ import annotations

import argparse
import sys

from bot_descarga.audit.events import BotEvent
from bot_descarga.config.settings import DEFAULT_SETTINGS
from bot_descarga.core.download_service import DownloadService


def _print_event(event: BotEvent) -> None:
    print(event.display_message(), flush=True)


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(
        description="Descarga facturas PDF desde Imaging y las organiza por NIT."
    )
    parser.add_argument(
        "--excel",
        required=True,
        help="Ruta al archivo Excel (col A=radicado, col B=NIT)",
    )
    parser.add_argument(
        "--carpeta",
        required=True,
        help="Carpeta destino de las descargas",
    )
    return parser


def main(argv: list[str] | None = None) -> int:
    args = build_parser().parse_args(argv)

    service = DownloadService(
        ruta_excel=args.excel,
        carpeta_descarga=args.carpeta,
        settings=DEFAULT_SETTINGS,
        event_callback=_print_event,
    )
    summary = service.run()

    audit_path = getattr(service.bus.jsonl_logger, "path", None)
    if audit_path:
        print(f"Auditoría JSONL: {audit_path}", flush=True)

    print(
        f"Resumen: {summary.exitosos}/{summary.total} exitosos, "
        f"{len(summary.fallidos)} fallidos",
        flush=True,
    )
    return 0 if not summary.fallidos else 1


if __name__ == "__main__":
    sys.exit(main())