from __future__ import annotations

import os
from pathlib import Path


def _native_search_paths() -> list[Path]:
    package = Path(__file__).resolve().parent
    return [package / "lib", package / "lib64", package / "bin"]


_dll_directory_handles = []
if os.name == "nt" and hasattr(os, "add_dll_directory"):
    for _directory in _native_search_paths():
        if _directory.is_dir():
            _dll_directory_handles.append(os.add_dll_directory(str(_directory)))

from ._core import capabilities, mfem_version, serial_poisson_dofs  

__all__ = [
    "capabilities",
    "get_cmake_prefix",
    "get_include",
    "get_lib",
    "mfem_version",
    "serial_poisson_dofs",
]


def _package_dir() -> Path:
    return Path(__file__).resolve().parent


def get_include() -> str:
    """Return the wheel-local include directory containing MFEM headers."""
    return str(_package_dir() / "include")


def get_lib() -> str:
    """Return the wheel-local directory containing MFEM runtime libraries."""
    return str(_package_dir() / "lib")


def get_cmake_prefix() -> str:
    """Return the prefix that can be appended to CMAKE_PREFIX_PATH."""
    return str(_package_dir())