# Copyright 2010-2025 The pygit2 contributors
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
#
# In addition to the permissions in the GNU General Public License,
# the authors give you unlimited permission to link the compiled
# version of this file into combinations with other programs,
# and to distribute those combinations without any restriction
# coming from the use of this file.  (The General Public License
# restrictions do apply in other respects; for example, they cover
# modification of the file, and distribution when not linked into
# a combined executable.)
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING.  If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.

# mypy: disable-error-code="import-not-found, import-untyped"

# Import setuptools before distutils to avoid user warning
import os
import sys
from distutils import log  # type: ignore[attr-defined]
from distutils.command.build import build
from distutils.command.sdist import sdist
from pathlib import Path
from subprocess import PIPE, Popen

from setuptools import Extension, setup

# Import stuff from pygit2/_utils.py without loading the whole pygit2 package
sys.path.insert(0, 'pygit2')
from _build import __version__, get_libgit2_paths

del sys.path[0]


libgit2_bin, libgit2_kw = get_libgit2_paths()


class sdist_files_from_git(sdist):
    def get_file_list(self) -> None:
        popen = Popen(
            ['git', 'ls-files'], stdout=PIPE, stderr=PIPE, universal_newlines=True
        )
        stdoutdata, stderrdata = popen.communicate()
        if popen.returncode != 0:
            print(stderrdata)
            sys.exit()

        def exclude(line: str) -> bool:
            for prefix in ['.', 'appveyor.yml', 'docs/', 'misc/']:
                if line.startswith(prefix):
                    return True
            return False

        for line in stdoutdata.splitlines():
            if not exclude(line):
                self.filelist.append(line)

        # Ok
        self.filelist.sort()
        self.filelist.remove_duplicates()
        self.write_manifest()


classifiers = [
    'Development Status :: 5 - Production/Stable',
    'Intended Audience :: Developers',
    'Programming Language :: Python',
    'Programming Language :: Python :: 3',
    'Programming Language :: Python :: 3.10',
    'Programming Language :: Python :: 3.11',
    'Programming Language :: Python :: 3.12',
    'Programming Language :: Python :: 3.13',
    'Programming Language :: Python :: Implementation :: PyPy',
    'Programming Language :: Python :: Implementation :: CPython',
    'Topic :: Software Development :: Version Control',
    'Typing :: Typed',
]

__dir__ = Path(__file__).parent
long_description = (__dir__ / 'README.md').read_text()

cmdclass = {
    'sdist': sdist_files_from_git,
}


# On Windows, we install the git2.dll too.
class BuildWithDLLs(build):
    def _get_dlls(self) -> list[tuple[Path, Path]]:
        # return a list of (FQ-in-name, relative-out-name) tuples.
        ret = []
        bld_ext = self.distribution.get_command_obj('build_ext')
        compiler_type = bld_ext.compiler.compiler_type  # type: ignore[attr-defined]
        libgit2_dlls = []
        if compiler_type == 'msvc':
            libgit2_dlls.append('git2.dll')
        elif compiler_type == 'mingw32':
            libgit2_dlls.append('libgit2.dll')
        look_dirs = [libgit2_bin] + os.getenv('PATH', '').split(os.pathsep)

        target = Path(self.build_lib).absolute() / 'pygit2'
        for dll in libgit2_dlls:
            for look in look_dirs:
                f = Path(look) / dll
                if f.is_file():
                    ret.append((f, target))
                    break
            else:
                log.warn(f'Could not find required DLL {dll} to include')
                log.debug(f'(looked in {look_dirs})')
        return ret

    def run(self) -> None:
        build.run(self)
        for s, d in self._get_dlls():
            self.copy_file(s, d)


# On Windows we package up the dlls with the plugin.
if os.name == 'nt':
    cmdclass['build'] = BuildWithDLLs  # type: ignore[assignment]

src = __dir__ / 'src'
pygit2_exts = [str(path) for path in sorted(src.iterdir()) if path.suffix == '.c']
ext_modules = [Extension('pygit2._pygit2', pygit2_exts, **libgit2_kw)]

setup(
    name='pygit2',
    description='Python bindings for libgit2.',
    keywords='git',
    version=__version__,
    classifiers=classifiers,
    license='GPLv2 with linking exception',
    maintainer='J. David Ibáñez',
    maintainer_email='jdavid.ibp@gmail.com',
    long_description=long_description,
    long_description_content_type='text/markdown',
    packages=['pygit2'],
    package_data={'pygit2': ['decl/*.h', '*.pyi', 'py.typed']},
    zip_safe=False,
    cmdclass=cmdclass,
    cffi_modules=['pygit2/_run.py:ffi'],
    ext_modules=ext_modules,
    # Requirements
    python_requires='>=3.10',
    setup_requires=['cffi>=1.17.0'],
    install_requires=['cffi>=1.17.0'],
    # URLs
    url='https://github.com/libgit2/pygit2',
    project_urls={
        'Documentation': 'https://www.pygit2.org/',
        'Changelog': 'https://github.com/libgit2/pygit2/blob/master/CHANGELOG.md',
        'Funding': 'https://github.com/sponsors/jdavid',
    },
)