from datetime import datetime
import jwt
from settings import JWT_ALGORITHM, JWT_SECRET_KEY
from auth.validations import PayLoad, User


class JWTCodec:
    @staticmethod
    def encode(user: User, exp: datetime, device: str = "pc") -> str:
        payload = {
            "user_id": user.id,
            "device": device,
            "exp": exp,
            "iat": datetime.utcnow(),
        }
        return jwt.encode(payload, JWT_SECRET_KEY, JWT_ALGORITHM)

    @staticmethod
    def decode(token: str, verify_exp: bool = True) -> PayLoad:
        payload = jwt.decode(
            token,
            key=JWT_SECRET_KEY,
            options={"verify_exp": verify_exp},
            algorithms=[JWT_ALGORITHM],
        )
        return PayLoad(**payload)