from pathlib import Path
import secrets

root = Path(__file__).resolve().parent.parent
target = root / ".env"
if target.exists():
    print("La configuración local ya existe; no se modifica.")
else:
    template = (root / ".env.example").read_text()
    for placeholder in [
        "replace-with-a-random-value",
        "replace-with-another-random-value",
        "replace-with-at-least-32-random-characters",
    ]:
        template = template.replace(placeholder, secrets.token_urlsafe(48))
    target.write_text(template)
    target.chmod(0o600)
    print("Configuración local creada. No se han generado cuentas de usuario.")