import sys
from os import getenv
from dotenv import load_dotenv

load_dotenv()


def _required(key: str) -> str:
    val = getenv(key)
    if not val:
        print(f"missing required env var: {key}", file=sys.stderr)
        sys.exit(1)
    return val


LANGUAGE: str = getenv("LANGUAGE", "en")
TIME_INTERVALL: int = int(getenv("SLEEP_INTERVALL", "60"))

# web backend: alert POSTs discovered flats here
WEB_URL: str = getenv("WEB_URL", "http://web:8000")
INTERNAL_API_KEY: str = _required("INTERNAL_API_KEY")

# secrets
GMAPS_API_KEY: str = _required("GMAPS_API_KEY")
BERLIN_WOHNEN_USERNAME: str = _required("BERLIN_WOHNEN_USERNAME")
BERLIN_WOHNEN_PASSWORD: str = _required("BERLIN_WOHNEN_PASSWORD")