#!/usr/bin/python3

import os
import distutils
from distutils.command.build import build
from distutils.log import warn, info, error
from DistUtilsExtra import auto

from epour import __version__


class sdist_auto(auto.sdist_auto):
    filter_suffix = ['.pyc', '.mo', '~', '.swp', '-workspace', '-project']


def _data_files_append(distribution, target, files):
    """ Tiny util to append to data_files, ensuring data_file is defined """
    if not isinstance(files, (list, tuple)):
        files = [files]
    if distribution.data_files is None:
        data_files = distribution.data_files = []
    else:
        data_files = distribution.data_files
    data_files.append((target, files))


class build_edc(distutils.cmd.Command):
    description = 'compile all the edje themes using edje_cc'
    user_options = [('themes-dir=', 'd', 'directory that holds the themes '
                                         '(default: data/themes)'),
                    ('main-name=', 'n', 'main edc file name of the themes '
                                        '(default: main.edc)')]

    def initialize_options(self):
        self.themes_dir = None
        self.main_name = None

    def finalize_options(self):
        if self.themes_dir is None:
            self.themes_dir = 'themes'
        if self.main_name is None:
            self.main_name = 'main.edc'

    def run(self):
        distutils.dir_util.mkpath('data/themes', verbose=False)
        for name in os.listdir(self.themes_dir):
            edc_file = os.path.join(self.themes_dir, name, self.main_name)
            if os.path.isfile(edc_file):
                self.compile_theme(name, edc_file)

    def compile_theme(self, name, edc_file):
        """
        Compile edc file to using edje_cc, and put the generated theme file
        in the data_files list so it got installed.
        """
        theme_dir = os.path.dirname(edc_file)
        sources = []
        for root, dirs, files in os.walk(theme_dir):
            sources.extend( os.path.join(root, name) for name in files )

        edj_file = os.path.join('data', 'themes', '%s.edj' % name)
        if distutils.dep_util.newer_group(sources, edj_file):
            info('compiling theme "%s" from edc file: "%s"' % (name, edc_file))
            cmd = ['edje_cc', '-v',
                   '-id', theme_dir, '-id', os.path.join(theme_dir, 'images'),
                   '-fd', theme_dir, '-fd', os.path.join(theme_dir, 'fonts'),
                   '-sd', theme_dir, '-sd', os.path.join(theme_dir, 'sounds'),
                   edc_file, edj_file]
            self.spawn(cmd)

        info("changing mode of %s to 644", edj_file)
        os.chmod(edj_file, 0o0644) # stupid edje_cc create files as 0600 :/

        target = os.path.join('share', self.distribution.get_name(), 'themes')
        _data_files_append(self.distribution, target, edj_file)

def has_themes(bar):
    return True

build.sub_commands.append(('build_edc', has_themes))

auto.setup(
    name='epour',
    version=__version__,
    author='Kai Huuhko',
    author_email='kai.huuhko@gmail.com',
    maintainer='Kai Huuhko',
    maintainer_email='kai.huuhko@gmail.com',
    description='A BitTorrent client',
    long_description=(
        'Epour is a BitTorrent client based on EFL and rb-libtorrent.'
        ),
    url='https://phab.enlightenment.org/w/projects/epour/',
    download_url='http://enlightenment.org/p.php?p=download',
    license='GNU GPL',
    platforms='linux',
    requires=[
        'libtorrent (>=1.1)',
        'efl',
        'xdg',
        'dbus',
    ],
    cmdclass={
        'sdist': sdist_auto,
        'build_edc': build_edc,
    },
)