# -*- coding: UTF-8 -*-
# coding: UTF-8
#
# Copyright 2010-2012 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.

"""Setup file for pygit2."""

from __future__ import print_function

import os
from subprocess import Popen, PIPE
import sys
from distutils.core import setup, Extension, Command
from distutils.command.build import build
from distutils.command.sdist import sdist
from distutils import log


# Use environment variable LIBGIT2 to set your own libgit2 configuration.
libgit2_path = os.getenv("LIBGIT2")
if libgit2_path is None:
    if os.name == 'nt':
        program_files = os.getenv("ProgramFiles")
        libgit2_path = '%s\libgit2' % program_files
    else:
        libgit2_path = '/usr/local'

libgit2_bin = os.path.join(libgit2_path, 'bin')
libgit2_include = os.path.join(libgit2_path, 'include')
libgit2_lib =  os.path.join(libgit2_path, 'lib')
pygit2_exts = [os.path.join('src', 'pygit2.c')] + [
                os.path.join('src', 'pygit2', entry)
                for entry in os.listdir('src/pygit2')
                if entry.endswith('.c')]

class TestCommand(Command):
    """Command for running unittests without install."""

    user_options = [("args=", None, '''The command args string passed to
                                    unittest framework, such as
                                     --args="-v -f"''')]

    def initialize_options(self):
        self.args = ''
        pass

    def finalize_options(self):
        pass

    def run(self):
        self.run_command('build')
        bld = self.distribution.get_command_obj('build')
        #Add build_lib in to sys.path so that unittest can found DLLs and libs
        sys.path = [os.path.abspath(bld.build_lib)] + sys.path

        import shlex
        import unittest
        test_argv0 = [sys.argv[0] + ' test --args=']
        #For transfering args to unittest, we have to split args
        #by ourself, so that command like:
        #python setup.py test --args="-v -f"
        #can be executed, and the parameter '-v -f' can be
        #transfering to unittest properly.
        test_argv = test_argv0 + shlex.split(self.args)
        unittest.main(module=None, defaultTest='test.test_suite', argv=test_argv)


class BuildWithDLLs(build):

    # On Windows, we install the git2.dll too.
    def _get_dlls(self):
        # return a list of 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
        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.environ.get("PATH","").split(os.pathsep)
        target = os.path.abspath(self.build_lib)
        for bin in libgit2_dlls:
            for look in look_dirs:
                f = os.path.join(look, bin)
                if os.path.isfile(f):
                    ret.append((f, target))
                    break
            else:
                log.warn("Could not find required DLL %r to include", bin)
                log.debug("(looked in %s)", look_dirs)
        return ret

    def run(self):
        build.run(self)
        if os.name == 'nt':
            # On Windows we package up the dlls with the plugin.
            for s, d in self._get_dlls():
                self.copy_file(s, d)


class sdist_files_from_git(sdist):
    def get_file_list(self):
        popen = Popen(['git', 'ls-files'], stdout=PIPE, stderr=PIPE)
        stdoutdata, stderrdata = popen.communicate()
        if popen.returncode != 0:
            print(stderrdata)
            sys.exit()

        for line in stdoutdata.splitlines():
            # Skip hidden files at the root
            if line[0] == '.':
                continue
            self.filelist.append(line)

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



cmdclass = {
    'test': TestCommand,
    'sdist': sdist_files_from_git}

if os.name == 'nt':
    # BuildWithDLLs can copy external DLLs into source directory.
    cmdclass['build'] = BuildWithDLLs

classifiers = [
    "Development Status :: 3 - Alpha",
    "Intended Audience :: Developers",
    "Topic :: Software Development :: Version Control"]


with open('README.rst') as readme:
    long_description = readme.read()

setup(name='pygit2',
      description='Python bindings for libgit2.',
      keywords='git',
      version='0.17.2',
      url='http://github.com/libgit2/pygit2',
      classifiers=classifiers,
      license='GPLv2',
      maintainer='J. David Ibáñez',
      maintainer_email='jdavid.ibp@gmail.com',
      long_description=long_description,
      packages = ['pygit2'],
      ext_modules=[
          Extension('_pygit2', pygit2_exts,
                    include_dirs=[libgit2_include, 'include'],
                    library_dirs=[libgit2_lib],
                    libraries=['git2']),
          ],
      cmdclass=cmdclass)
