# -*- coding: utf-8 -*-
#
# Copyright © 2012 - 2019 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.machinery.base import MachineTranslation


class GlosbeTranslation(MachineTranslation):
    """Glosbe machine translation support."""
    name = 'Glosbe'
    max_score = 90

    def convert_language(self, language):
        """Convert language to service specific code."""
        return language.replace('_', '-').split('-')[0].lower()

    def is_supported(self, source, language):
        """Any language is supported."""
        return True

    def download_translations(self, source, language, text, unit, request):
        """Download list of possible translations from a service."""
        params = {
            'from': source,
            'dest': language,
            'format': 'json',
            'phrase': text,
        }
        response = self.json_req(
            'https://glosbe.com/gapi/translate',
            **params
        )

        if 'tuc' not in response:
            return []

        return [
            {
                'text': match['phrase']['text'],
                'quality': self.max_score,
                'service': self.name,
                'source': text
            }
            for match in response['tuc']
            if 'phrase' in match and match['phrase'] is not None
        ]
