#!/usr/bin/env python
import os
from importlib.util import module_from_spec, spec_from_file_location

from setuptools import find_packages, setup

_PATH_ROOT = os.path.realpath(os.path.dirname(__file__))
_PATH_REQUIRE = os.path.join(_PATH_ROOT, "requirements")


def _load_py_module(fname, pkg="torchmetrics"):
    spec = spec_from_file_location(os.path.join(pkg, fname), os.path.join(_PATH_ROOT, pkg, fname))
    py = module_from_spec(spec)
    spec.loader.exec_module(py)
    return py


about = _load_py_module("__about__.py")
setup_tools = _load_py_module("setup_tools.py")
long_description = setup_tools._load_readme_description(
    _PATH_ROOT,
    homepage=about.__homepage__,
    version=f"v{about.__version__}",
)


def _prepare_extras():
    extras = {
        "image": setup_tools._load_requirements(path_dir=_PATH_REQUIRE, file_name="image.txt"),  # skipcq: PYL-W0212
        "text": setup_tools._load_requirements(path_dir=_PATH_REQUIRE, file_name="text.txt"),  # skipcq: PYL-W0212
        "detection": setup_tools._load_requirements(  # skipcq: PYL-W0212
            path_dir=_PATH_REQUIRE, file_name="detection.txt"
        ),
        "audio": setup_tools._load_requirements(path_dir=_PATH_REQUIRE, file_name="audio.txt"),
    }
    # create an 'all' keyword that install all possible denpendencies
    extras["all"] = [package for extra in extras.values() for package in extra]

    return extras


# https://packaging.python.org/discussions/install-requires-vs-requirements /
# keep the meta-data here for simplicity in reading this file... it's not obvious
# what happens and to non-engineers they won't know to look in init ...
# the goal of the project is simplicity for researchers, don't want to add too much
# engineer specific practices
setup(
    name="torchmetrics",
    version=about.__version__,
    description=about.__docs__,
    author=about.__author__,
    author_email=about.__author_email__,
    url=about.__homepage__,
    download_url=os.path.join(about.__homepage__, "archive", "master.zip"),
    license=about.__license__,
    packages=find_packages(exclude=["tests", "tests.*", "docs"]),
    long_description=long_description,
    long_description_content_type="text/markdown",
    include_package_data=True,
    zip_safe=False,
    keywords=["deep learning", "machine learning", "pytorch", "metrics", "AI"],
    python_requires=">=3.6",
    setup_requires=[],
    install_requires=setup_tools._load_requirements(_PATH_ROOT),
    project_urls={
        "Bug Tracker": os.path.join(about.__homepage__, "issues"),
        "Documentation": "https://torchmetrics.rtfd.io/en/latest/",
        "Source Code": about.__homepage__,
    },
    classifiers=[
        "Environment :: Console",
        "Natural Language :: English",
        # How mature is this project? Common values are
        #   3 - Alpha, 4 - Beta, 5 - Production/Stable
        "Development Status :: 3 - Alpha",
        # Indicate who your project is intended for
        "Intended Audience :: Developers",
        "Topic :: Scientific/Engineering :: Artificial Intelligence",
        "Topic :: Scientific/Engineering :: Image Recognition",
        "Topic :: Scientific/Engineering :: Information Analysis",
        # Pick your license as you wish
        # 'License :: OSI Approved :: BSD License',
        "Operating System :: OS Independent",
        # Specify the Python versions you support here. In particular, ensure
        # that you indicate whether you support Python 2, Python 3 or both.
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.6",
        "Programming Language :: Python :: 3.7",
        "Programming Language :: Python :: 3.8",
        "Programming Language :: Python :: 3.9",
    ],
    extras_require=_prepare_extras(),
)
