from __future__ import annotations

from py_vapid import Vapid01, b64urlencode
from cryptography.hazmat.primitives import serialization


def main() -> None:
    vapid = Vapid01()
    vapid.generate_keys()

    public_key = b64urlencode(
        vapid.public_key.public_bytes(
            encoding=serialization.Encoding.X962,
            format=serialization.PublicFormat.UncompressedPoint,
        )
    )
    private_value = vapid.private_key.private_numbers().private_value
    private_key = b64urlencode(private_value.to_bytes(32, "big"))

    print(f"NOURI_VAPID_PUBLIC_KEY={public_key}")
    print(f"NOURI_VAPID_PRIVATE_KEY={private_key}")
    print("NOURI_VAPID_SUBJECT=mailto:mail@hnz.io")


if __name__ == "__main__":
    main()