security.py

from datetime import UTC, datetime, timedelta
from typing import Optional, Union

from fastapi.security import OAuth2PasswordBearer
from jose import jwt

from app.core.config import settings

oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login")


def create_access_token(subject: Union[str, int], expires_delta: Optional[timedelta] = None) -> str:
    """
    Create a JWT token with the provided subject (typically user ID)
    """
    if expires_delta:
        expire = datetime.now(UTC) + expires_delta
    else:
        expire = datetime.now(UTC) + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)

    to_encode = {"exp": expire, "sub": str(subject)}
    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
    return encoded_jwt