from precis_i18n import get_profile

_localpart_disallowed_chars = set("\"&'/:<>@")


def enforce_precis_username(localpart: str) -> str:
    if _localpart_disallowed_chars & set(localpart):
        raise ValueError("Input contains prohibited codepoint: %s" % localpart)

    username = get_profile("UsernameCaseMapped")
    return username.enforce(localpart)


def enforce_precis_opaque(resourcepart: str) -> str:
    opaque = get_profile("OpaqueString")
    return opaque.enforce(resourcepart)