"""Models for Recorder."""
from __future__ import annotations

from contextlib import suppress
from functools import lru_cache
import logging
from uuid import UUID

from homeassistant.util.ulid import bytes_to_ulid, ulid_to_bytes

_LOGGER = logging.getLogger(__name__)


def ulid_to_bytes_or_none(ulid: str | None) -> bytes | None:
    """Convert an ulid to bytes."""
    if ulid is None:
        return None
    try:
        return ulid_to_bytes(ulid)
    except ValueError as ex:
        _LOGGER.exception("Error converting ulid %s to bytes: %s", ulid, ex)
        return None


def bytes_to_ulid_or_none(_bytes: bytes | None) -> str | None:
    """Convert bytes to a ulid."""
    if _bytes is None:
        return None
    try:
        return bytes_to_ulid(_bytes)
    except ValueError as ex:
        _LOGGER.exception("Error converting bytes %s to ulid: %s", _bytes, ex)
        return None


@lru_cache(maxsize=16)
def uuid_hex_to_bytes_or_none(uuid_hex: str | None) -> bytes | None:
    """Convert a uuid hex to bytes."""
    if uuid_hex is None:
        return None
    with suppress(ValueError):
        return UUID(hex=uuid_hex).bytes
    return None


@lru_cache(maxsize=16)
def bytes_to_uuid_hex_or_none(_bytes: bytes | None) -> str | None:
    """Convert bytes to a uuid hex."""
    if _bytes is None:
        return None
    with suppress(ValueError):
        return UUID(bytes=_bytes).hex
    return None