#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2016
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# 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/].

"""This module contains a object that represents a Telegram
InlineKeyboardMarkup"""

from telegram import ReplyMarkup, InlineKeyboardButton


class InlineKeyboardMarkup(ReplyMarkup):
    """This object represents a Telegram InlineKeyboardMarkup."""

    def __init__(self,
                 inline_keyboard):
        # Required
        self.inline_keyboard = inline_keyboard

    @staticmethod
    def de_json(data):
        if not data:
            return None

        data['inline_keyboard'] = \
            [InlineKeyboardButton.de_list(inline_keyboard) for inline_keyboard
             in data['inline_keyboard']]

        return InlineKeyboardMarkup(**data)

    def to_dict(self):
        data = super(InlineKeyboardMarkup, self).to_dict()

        data['inline_keyboard'] = []
        for inline_keyboard in self.inline_keyboard:
            data['inline_keyboard'].append(
                [x.to_dict() for x in inline_keyboard])

        return data