#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Telegram bot to play UNO in group chats
# Copyright (c) 2016 Jannes Höke <uno@jhoeke.de>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.


import logging

from telegram import ReplyKeyboardMarkup, Emoji
from telegram.ext import CommandHandler, RegexHandler

from utils import send_async
from user_setting import UserSetting
from utils import _, user_locale
from shared_vars import dispatcher

OFFSET = 127462 - ord('A')


def flag(code):
    return chr(ord(code[0]) + OFFSET) + chr(ord(code[1]) + OFFSET)


available_locales = [['en_US - ' + flag('US') + ' English (US)'],
                     ['de_DE - ' + flag('DE') + ' Deutsch (DE)'],
                     ['es_ES - ' + flag('ES') + ' Español (ES)'],
                     ['id_ID - ' + flag('ID') + ' Bahasa Indonesia'],
                     ['it_IT - ' + flag('IT') + ' Italiano'],
                     ['pt_BR - ' + flag('BR') + ' Português Brasileiro'],
                     ['zh_HK - ' + flag('HK') + ' 廣東話'],
                     ['zh_TW - ' + flag('TW') + ' 中文(香港)']]


@user_locale
def show_settings(bot, update):
    chat = update.message.chat

    if update.message.chat.type != 'private':
        send_async(bot, chat.id,
                   text=_("Please edit your settings in a private chat with "
                          "the bot."))
        return

    us = UserSetting.get(id=update.message.from_user.id)

    if not us:
        us = UserSetting(id=update.message.from_user.id)

    if not us.stats:
        stats = Emoji.BAR_CHART + ' ' + _("Enable statistics")
    else:
        stats = Emoji.CROSS_MARK + ' ' + _("Delete all statistics")

    kb = [[stats], [Emoji.EARTH_GLOBE_EUROPE_AFRICA + ' ' + _("Language")]]
    send_async(bot, chat.id, text=Emoji.WRENCH + ' ' + _("Settings"),
               reply_markup=ReplyKeyboardMarkup(keyboard=kb,
                                                one_time_keyboard=True))


@user_locale
def kb_select(bot, update, groups):
    chat = update.message.chat
    user = update.message.from_user
    option = groups[0]

    if option == Emoji.BAR_CHART:
        us = UserSetting.get(id=user.id)
        us.stats = True
        send_async(bot, chat.id, text=_("Enabled statistics!"))

    elif option == Emoji.EARTH_GLOBE_EUROPE_AFRICA:
        send_async(bot, chat.id, text=_("Select locale"),
                   reply_markup=ReplyKeyboardMarkup(keyboard=available_locales,
                                                    one_time_keyboard=True))

    elif option == Emoji.CROSS_MARK:
        us = UserSetting.get(id=user.id)
        us.stats = False
        us.first_places = 0
        us.games_played = 0
        us.cards_played = 0
        send_async(bot, chat.id, text=_("Deleted and disabled statistics!"))


@user_locale
def locale_select(bot, update, groups):
    chat = update.message.chat
    user = update.message.from_user
    option = groups[0]

    if option in [locale.split()[0]
                  for row in available_locales
                  for locale in row]:
        us = UserSetting.get(id=user.id)
        us.lang = option
        _.push(option)
        send_async(bot, chat.id, text=_("Set locale!"))
        _.pop()


dispatcher.add_handler(CommandHandler('settings', show_settings))
dispatcher.add_handler(RegexHandler('^([' + Emoji.BAR_CHART +
                                    Emoji.EARTH_GLOBE_EUROPE_AFRICA +
                                    Emoji.CROSS_MARK + ']) .+$',
                                    kb_select, pass_groups=True))
dispatcher.add_handler(RegexHandler(r'^(\w\w_\w\w) - .*',
                                    locale_select, pass_groups=True))