from __future__ import annotations

import os

SETTINGS_PREFIX = "OPENBAO__SETTINGS__"
REQUIRED_KEYCLOAK_SETTINGS = (
    "KEYCLOAK_CLIENT_ID",
    "KEYCLOAK_CLIENT_SECRET",
    "KEYCLOAK_AUTHORIZE_URL",
    "KEYCLOAK_TOKEN_URL",
    "KEYCLOAK_LOGOUT_URL",
    "KEYCLOAK_JWKS_URL",
    "KEYCLOAK_REDIRECT_URI",
    "KEYCLOAK_SCOPE",
    "KEYCLOAK_JWT_ALGORITHM",
)


def get_setting(name: str) -> str:
    prefixed = os.getenv(f"{SETTINGS_PREFIX}{name}", "").strip()
    if prefixed:
        return prefixed
    return os.getenv(name, "").strip()


def get_missing_settings() -> list[str]:
    return [name for name in REQUIRED_KEYCLOAK_SETTINGS if not get_setting(name)]


def get_location() -> str:
    return get_setting("LOCATION").lower()