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# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from functools import lru_cache
from pathlib import Path


@lru_cache(maxsize=None)
def _get_cache_path() -> Path:
    """
    Get the path to the cache directory.

    :return: The path to the cache directory.
    """
    cache_path = Path.home() / '.cache' / 'docarray'
    if "DOCARRAY_CACHE" in os.environ:
        cache_path = Path(os.environ["DOCARRAY_CACHE"])
    cache_path.mkdir(parents=True, exist_ok=True)
    return cache_path