# SPDX-License-Identifier: Apache-2.0

# Standard
import sys

# First Party
from lmcache.logging import init_logger

# --------------------------
# Backend instance & Device detection
# --------------------------
from lmcache.v1.platform import get_backend
from lmcache.v1.platform import torch_dev as torch_dev
from lmcache.v1.platform import torch_device_type as torch_device_type

try:
    # First Party
    from lmcache._version import __version__
except ImportError:
    __version__ = "unknown"

logger = init_logger(__name__)

__all__ = ["__version__", "torch_dev", "torch_device_type"]

_ops = get_backend(torch_device_type)
if _ops is not None:
    # Override lmcache.c_ops with merged module,
    # in which:
    #     python_ops_fallback as base,
    #     use backend implementation if exists
    sys.modules["lmcache.c_ops"] = _ops
else:
    logger.warning(
        "No compute backend loaded; CLI-only mode (torch/numba not installed)"
    )