#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015 Leandro Toledo de Souza <leandrotoeldodesouza@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser 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 Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program.  If not, see [http://www.gnu.org/licenses/].


from telegram import TelegramObject


class Audio(TelegramObject):
    def __init__(self,
                 file_id,
                 duration,
                 mime_type=None,
                 file_size=None):
        self.file_id = file_id
        self.duration = duration
        self.mime_type = mime_type
        self.file_size = file_size

    @staticmethod
    def de_json(data):
        return Audio(file_id=data.get('file_id', None),
                     duration=data.get('duration', None),
                     mime_type=data.get('mime_type', None),
                     file_size=data.get('file_size', None))

    def to_dict(self):
        data = {'file_id': self.file_id,
                'duration': self.duration}
        if self.mime_type:
            data['mime_type'] = self.mime_type
        if self.file_size:
            data['file_size'] = self.file_size
        return data