import os
import re
import subprocess
import sys
from setuptools.command.test import test as TestCommand
from setuptools import setup, find_packages, Command
try:
    # Python 2 backwards compat
    from __builtin__ import raw_input as input
except ImportError:
    pass

readme = os.path.join(os.path.dirname(__file__), 'README.rst')
LONG_DESCRIPTION = open(readme).read()


def read_module_contents():
    with open('helga_koji/__init__.py') as init:
        return init.read()


module_file = read_module_contents()
metadata = dict(re.findall("__([a-z]+)__\s*=\s*'([^']+)'", module_file))
version = metadata['version']


class BumpCommand(Command):
    """ Bump the __version__ number and commit all changes. """

    user_options = [('version=', 'v', 'version number to use')]

    def initialize_options(self):
        new_version = metadata['version'].split('.')
        new_version[-1] = str(int(new_version[-1]) + 1)  # Bump the final part
        self.version = ".".join(new_version)

    def finalize_options(self):
        pass

    def run(self):

        print('old version: %s  new version: %s' %
              (metadata['version'], self.version))
        try:
            input('Press enter to confirm, or ctrl-c to exit >')
        except KeyboardInterrupt:
            raise SystemExit("\nNot proceeding")

        old = "__version__ = '%s'" % metadata['version']
        new = "__version__ = '%s'" % self.version
        module_file = read_module_contents()
        with open('helga_koji/__init__.py', 'w') as fileh:
            fileh.write(module_file.replace(old, new))

        old = 'Version:        %s' % metadata['version']
        new = 'Version:        %s' % self.version

        # Commit everything with a standard commit message
        cmd = ['git', 'commit', '-a', '-m', 'version %s' % self.version]
        print(' '.join(cmd))
        subprocess.check_call(cmd)


class ReleaseCommand(Command):
    """ Tag and push a new release. """

    user_options = [('sign', 's', 'GPG-sign the Git tag and release files')]

    def initialize_options(self):
        self.sign = False

    def finalize_options(self):
        pass

    def run(self):
        # Create Git tag
        tag_name = 'v%s' % version
        cmd = ['git', 'tag', '-a', tag_name, '-m', 'version %s' % version]
        if self.sign:
            cmd.append('-s')
        print(' '.join(cmd))
        subprocess.check_call(cmd)

        # Push Git tag to origin remote
        cmd = ['git', 'push', 'origin', tag_name]
        print(' '.join(cmd))
        subprocess.check_call(cmd)

        # Push master branch to origin remote
        cmd = ['git', 'push', 'origin', 'master']
        print(' '.join(cmd))
        subprocess.check_call(cmd)

        # Create source package
        cmd = ['python', 'setup.py', 'sdist']
        print(' '.join(cmd))
        subprocess.check_call(cmd)

        tarball = 'dist/%s-%s.tar.gz' % ('helga-koji', version)

        # GPG sign
        if self.sign:
            cmd = ['gpg2', '-b', '-a', tarball]
            print(' '.join(cmd))
            subprocess.check_call(cmd)

        # Upload
        cmd = ['twine', 'upload', tarball]
        if self.sign:
            cmd.append(tarball + '.asc')
        print(' '.join(cmd))
        subprocess.check_call(cmd)


class PyTest(TestCommand):
    user_options = [('pytest-args=', 'a', "Arguments to pass to py.test")]

    def initialize_options(self):
        TestCommand.initialize_options(self)
        self.pytest_args = []

    def finalize_options(self):
        TestCommand.finalize_options(self)
        self.test_args = []
        self.test_suite = True

    def run_tests(self):
        import pytest
        errno = pytest.main('helga_koji/tests', self.pytest_args)
        sys.exit(errno)


setup(name="helga-koji",
      version=version,
      description='Koji plugin for Helga',
      classifiers=['Development Status :: 4 - Beta',
                   'License :: OSI Approved :: MIT License',
                   'Intended Audience :: Developers',
                   'Operating System :: POSIX',
                   'Programming Language :: Python',
                   'Topic :: Software Development',
                   ],
      keywords='irc bot koji',
      author='ken dreyer',
      author_email='ktdreyer@ktdreyer.com',
      url='https://github.com/ktdreyer/helga-koji',
      license='MIT',
      long_description=LONG_DESCRIPTION,
      packages=find_packages(),
      install_requires=[
          'helga',
          'txkoji>=0.7.0',
      ],
      tests_require=[
          'pytest',
      ],
      entry_points=dict(
          helga_plugins=[
              'koji = helga_koji:HelgaKoji',
          ],
      ),
      cmdclass={'test': PyTest, 'bump': BumpCommand, 'release': ReleaseCommand},
)
