"""Web Push용 VAPID 키쌍을 생성합니다. 출력값을 .env의 VAPID_PUBLIC_KEY/VAPID_PRIVATE_KEY에 붙여넣으세요.

사용법: python scripts/generate_vapid_keys.py
"""

from cryptography.hazmat.primitives import serialization
from py_vapid import Vapid02, b64urlencode

if __name__ == "__main__":
    vapid = Vapid02()
    vapid.generate_keys()

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

    print("VAPID_PUBLIC_KEY=" + b64urlencode(public_raw))
    print("VAPID_PRIVATE_KEY=" + b64urlencode(private_raw))