#!/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/>.

from telegram import ParseMode
from telegram.ext import CommandHandler

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

@user_locale
def help_handler(bot, update):
    """Handler for the /help command"""
    help_text = _("Follow these steps:\n\n"
      "1. Add this bot to a group\n"
      "2. In the group, start a new game with /new or join an already"
      " running game with /join\n"
      "3. After at least two players have joined, start the game with"
      " /start\n"
      "4. Type <code>@unobot</code> into your chat box and hit "
      "<b>space</b>, or click the <code>via @unobot</code> text "
      "next to messages. You will see your cards (some greyed out), "
      "any extra options like drawing, and a <b>?</b> to see the "
      "current game state. The <b>greyed out cards</b> are those you "
      "<b>can not play</b> at the moment. Tap an option to execute "
      "the selected action.\n"
      "Players can join the game at any time. To leave a game, "
      "use /leave. If a player takes more than 90 seconds to play, "
      "you can use /skip to skip that player. Use /notify_me to "
      "receive a private message when a new game is started.\n\n"
      "<b>Language</b> and other settings: /settings\n"
      "Other commands (only game creator):\n"
      "/close - Close lobby\n"
      "/open - Open lobby\n"
      "/kill - Terminate the game\n"
      "/kick - Select a player to kick "
      "by replying to him or her\n"
      "/enable_translations - Translate relevant texts into all "
      "languages spoken in a game\n"
      "/disable_translations - Use English for those texts\n\n"
      "<b>Experimental:</b> Play in multiple groups at the same time. "
      "Press the <code>Current game: ...</code> button and select the "
      "group you want to play a card in.\n"
      "If you enjoy this bot, "
      "<a href=\"https://telegram.me/storebot?start=mau_mau_bot\">"
      "rate me</a>, join the "
      "<a href=\"https://telegram.me/unobotupdates\">update channel</a>"
      " and buy an UNO card game.")

    send_async(bot, update.message.chat_id, text=help_text,
               parse_mode=ParseMode.HTML, disable_web_page_preview=True)

@user_locale
def modes(bot, update):
    """Handler for the /help command"""
    modes_explanation = _("This UNO bot has three game modes: Classic, Sanic and Wild.\n\n"
      " 🎻 The Classic mode uses the conventional UNO deck and there is no auto skip.\n"
      " 🚀 The Sanic mode uses the conventional UNO deck and the bot automatically skips a player if he/she takes too long to play its turn\n"
      " 🐉 The Wild mode uses a deck with more special cards, less number variety and no auto skip.\n\n"
      "To change the game mode, the GAME CREATOR has to type the bot nickname and a space, "
      "just like when playing a card, and all gamemode options should appear.")
    send_async(bot, update.message.chat_id, text=modes_explanation,
               parse_mode=ParseMode.HTML, disable_web_page_preview=True)

@user_locale
def source(bot, update):
    """Handler for the /help command"""
    source_text = _("This bot is Free Software and licensed under the AGPL. "
      "The code is available here: \n"
      "https://github.com/jh0ker/mau_mau_bot")
    attributions = _("Attributions:\n"
      'Draw icon by '
      '<a href="http://www.faithtoken.com/">Faithtoken</a>\n'
      'Pass icon by '
      '<a href="http://delapouite.com/">Delapouite</a>\n'
      "Originals available on http://game-icons.net\n"
      "Icons edited by ɳick")

    send_async(bot, update.message.chat_id, text=source_text + '\n' +
                                                 attributions,
               parse_mode=ParseMode.HTML, disable_web_page_preview=True)


@user_locale
def news(bot, update):
    """Handler for the /news command"""
    send_async(bot, update.message.chat_id,
               text=_("All news here: https://telegram.me/unobotupdates"),
               disable_web_page_preview=True)


@user_locale
def stats(bot, update):
    user = update.message.from_user
    us = UserSetting.get(id=user.id)
    if not us or not us.stats:
        send_async(bot, update.message.chat_id,
                   text=_("You did not enable statistics. Use /settings in "
                          "a private chat with the bot to enable them."))
    else:
        stats_text = list()

        n = us.games_played
        stats_text.append(
            _("{number} game played",
              "{number} games played",
              n).format(number=n)
        )

        n = us.first_places
        stats_text.append(
            _("{number} first place",
              "{number} first places",
              n).format(number=n)
        )

        n = us.cards_played
        stats_text.append(
            _("{number} card played",
              "{number} cards played",
              n).format(number=n)
        )

        send_async(bot, update.message.chat_id,
                   text='\n'.join(stats_text))


def register():
    dispatcher.add_handler(CommandHandler('help', help_handler))
    dispatcher.add_handler(CommandHandler('source', source))
    dispatcher.add_handler(CommandHandler('news', news))
    dispatcher.add_handler(CommandHandler('stats', stats))
    dispatcher.add_handler(CommandHandler('modes', modes))