"""Authentification admin — session cookie simple."""

from functools import wraps
from fastapi import Request
from fastapi.responses import RedirectResponse


def is_authenticated(request: Request) -> bool:
    return request.session.get("authenticated") is True


def require_auth(func):
    """Décorateur pour les routes admin."""
    @wraps(func)
    async def wrapper(request: Request, *args, **kwargs):
        if not is_authenticated(request):
            return RedirectResponse(url="/admin/login", status_code=302)
        return await func(request, *args, **kwargs)
    return wrapper