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#
#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

import logging
import uuid
from collections.abc import Iterator
from contextlib import contextmanager
from datetime import timedelta
from typing import Any

from superset.distributed_lock.utils import get_key
from superset.exceptions import CreateKeyValueDistributedLockFailedException
from superset.key_value.types import JsonKeyValueCodec, KeyValueResource

logger = logging.getLogger(__name__)

CODEC = JsonKeyValueCodec()
LOCK_EXPIRATION = timedelta(seconds=30)
RESOURCE = KeyValueResource.LOCK


@contextmanager
def KeyValueDistributedLock(  # pylint: disable=invalid-name  # noqa: N802
    namespace: str,
    **kwargs: Any,
) -> Iterator[uuid.UUID]:
    """
    KV global lock for refreshing tokens.

    This context manager acquires a distributed lock for a given namespace, with
    optional parameters (eg, namespace="cache", user_id=1). It yields a UUID for the
    lock that can be used within the context, and corresponds to the key in the KV
    store.

    :param namespace: The namespace for which the lock is to be acquired.
    :param kwargs: Additional keyword arguments.
    :yields: A unique identifier (UUID) for the acquired lock (the KV key).
    :raises CreateKeyValueDistributedLockFailedException: If the lock is taken.
    """

    # pylint: disable=import-outside-toplevel
    from superset.commands.distributed_lock.create import CreateDistributedLock
    from superset.commands.distributed_lock.delete import DeleteDistributedLock
    from superset.commands.distributed_lock.get import GetDistributedLock

    key = get_key(namespace, **kwargs)
    value = GetDistributedLock(namespace=namespace, params=kwargs).run()
    if value:
        logger.debug("Lock on namespace %s for key %s already taken", namespace, key)
        raise CreateKeyValueDistributedLockFailedException("Lock already taken")

    logger.debug("Acquiring lock on namespace %s for key %s", namespace, key)
    try:
        CreateDistributedLock(namespace=namespace, params=kwargs).run()
    except CreateKeyValueDistributedLockFailedException as ex:
        logger.debug("Lock on namespace %s for key %s already taken", namespace, key)
        raise CreateKeyValueDistributedLockFailedException("Lock already taken") from ex

    yield key
    DeleteDistributedLock(namespace=namespace, params=kwargs).run()
    logger.debug("Removed lock on namespace %s for key %s", namespace, key)