from __future__ import annotations

import importlib
import os

from packages.hub_runtime import SecretFileError, validate_required_secret_paths

from .dispatch import service_module


def main() -> None:
    try:
        validate_required_secret_paths(os.environ.get("REQUIRED_SECRET_FILES", ""))
    except (SecretFileError, ValueError):
        raise SystemExit("required runtime secret validation failed") from None
    module = importlib.import_module(service_module(os.environ.get("SERVICE_NAME", "")))
    runner = getattr(module, "run", None)
    if not callable(runner):
        raise SystemExit("configured service has no production runner")
    runner()


if __name__ == "__main__":
    main()