#!/usr/bin/env python3
"""Lit et valide le registre des domaines publics Set-OPS (instance/plan/domaines.yml)."""

from __future__ import annotations

import os

import argparse
import sys
from pathlib import Path

from inventory_rules import (
    charger_applications,
    charger_domaines,
    expositions_des_applications,
    valider_domaines,
)

RACINE = Path(__file__).resolve().parents[1]
INSTANCE = Path(os.environ.get("SETOPS_INSTANCE") or (RACINE / "instance"))
FICHIER = INSTANCE / "plan/domaines.yml"
FICHIER_APPLICATIONS = INSTANCE / "plan/applications.yml"


def lister(registre: dict, applications: dict) -> None:
    domaines = registre.get("domaines_publics", {})
    if not domaines:
        print("Aucun domaine public declare.")
        return
    expos = expositions_des_applications(applications, registre)
    for nom_domaine, conf in domaines.items():
        secondaires = conf.get("secondaires") or []
        dnssec = "oui" if conf.get("dnssec") else "non"
        print(f"{nom_domaine}  [autorite {conf.get('autorite', '?')}, edge {conf.get('edge', '-')}, dnssec {dnssec}]")
        print(f"  secondaires: {', '.join(secondaires) if secondaires else '(aucun)'}")
        for e in [x for x in expos if x["domaine"] == nom_domaine]:
            print(f"  exposition: {e['fqdn']} -> application {e['application']} (sur {e['hote']})")


def main() -> int:
    parser = argparse.ArgumentParser(description="Registre des domaines publics Set-OPS.")
    sub = parser.add_subparsers(dest="commande", required=True)
    sub.add_parser("lister", help="Affiche domaines, autorite et expositions (depuis les applications).")
    sub.add_parser("verifier", help="Valide la coherence du registre.")

    args = parser.parse_args()
    try:
        registre = charger_domaines(FICHIER)
        if args.commande == "lister":
            lister(registre, charger_applications(FICHIER_APPLICATIONS))
        elif args.commande == "verifier":
            valider_domaines(registre)
            print("Registre des domaines valide.")
    except Exception as exc:
        print(f"erreur: {exc}", file=sys.stderr)
        return 2
    return 0


if __name__ == "__main__":
    raise SystemExit(main())