from vbv_lernwelt.core.models import User


def create_or_update_user(
    email: str, first_name: str = "", last_name: str = "", sso_id: str = None
):
    user = None
    if sso_id:
        user_qs = User.objects.filter(sso_id=sso_id)
        if user_qs.exists():
            user = user_qs.first()

    if not user:
        user_qs = User.objects.filter(email=email)
        if user_qs.exists():
            user = user_qs.first()

    if not user:
        # create user
        user = User(sso_id=sso_id, email=email, username=email)

    user.email = email
    user.sso_id = sso_id
    user.username = email
    user.first_name = first_name
    user.last_name = last_name
    user.set_unusable_password()
    user.save()

    return user