"""CLI para validar la biblioteca curada del Sprint 0.

Uso:

    uv run vms-validate-library

    # equivalente:
    python -m vmssailor.tools.validate_library

Salida:
- Exit code 0 si no hay errores (warnings/info no bloquean).
- Exit code 1 si hay errores estructurales.
"""

from __future__ import annotations

import argparse
import sys
from pathlib import Path

from vmssailor.library import load_library
from vmssailor.shared.logging_setup import setup_logging


def main(argv: list[str] | None = None) -> int:
    parser = argparse.ArgumentParser(
        prog="vms-validate-library",
        description="Valida la biblioteca curada de VMS-Sailor.",
    )
    parser.add_argument(
        "--root",
        type=Path,
        default=None,
        help="Ruta raíz de la biblioteca (defecto: vmssailor/library/).",
    )
    parser.add_argument(
        "--verbose",
        action="store_true",
        help="Logging DEBUG.",
    )
    parser.add_argument(
        "--strict-warnings",
        action="store_true",
        help="Salir con error si hay warnings.",
    )
    args = parser.parse_args(argv)

    setup_logging(verbose=args.verbose)

    print("VMS-Sailor — Validador de biblioteca curada")
    print("=" * 60)
    result = load_library(args.root)
    print(result.format())
    print()

    if not result.ok():
        print(f"\nFAIL: {len(result.errors)} errores en la biblioteca.")
        return 1

    if args.strict_warnings and result.warnings:
        print(f"\nFAIL (strict): {len(result.warnings)} warnings.")
        return 1

    info_count = len([i for i in result.issues if i.severity == "info"])
    print(
        f"\nOK: biblioteca válida "
        f"({len(result.vessels)} vessels, {len(result.equipment_models)} equipment, "
        f"{len(result.rules)} rules, {info_count} info)."
    )
    return 0


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