# -*- coding: utf-8 -*-
#
# Copyright © 2012 - 2020 Michal Čihař <michal@cihar.com>
#
# This file is part of Weblate <https://weblate.org/>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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.  If not, see <https://www.gnu.org/licenses/>.
#
from __future__ import unicode_literals

from weblate.trans.management.commands import WeblateComponentCommand
from weblate.trans.models.change import Change


class Command(WeblateComponentCommand):
    help = 'List translators for a component'

    def add_arguments(self, parser):
        super(Command, self).add_arguments(parser)
        parser.add_argument(
            '--language-code',
            action='store_true',
            dest='code',
            default=False,
            help='Use language code instead of language name',
        )

    def handle(self, *args, **options):
        data = []
        for component in self.get_components(*args, **options):
            for translation in component.translation_set.iterator():
                authors = Change.objects.filter(translation=translation).authors_list()
                if not authors:
                    continue
                if options['code']:
                    key = translation.language.code
                else:
                    key = translation.language.name
                data.append({key: sorted(set(authors))})
        for language in data:
            name, translators = language.popitem()
            self.stdout.write('[{0}]\n'.format(name))
            for translator in translators:
                self.stdout.write('{1} <{0}>\n'.format(*translator))
