#!/usr/bin/env python
# -*- coding: utf-8 -*-

from telegram.ext import Updater, CommandHandler, MessageHandler, Filters
from telegram import ParseMode
from db import Db
import logging
import os
import random
import requests
import datetime
import cat
import pydog

DIETS = {
        "veggy" : "fleischlos",
        "fleisch" : "mit Fleisch",
        "fisch" : "mit Fisch/ Meeresfrüchten"
        }

WEEKDAYS = {
        "montag" : 1,
        "dienstag" : 2,
        "mittwoch" : 3,
        "donnerstag" : 4,
        "freitag" : 5,
        "samstag" : 6
        }

MENSA_URL = {
        "zentral": "zentralmensa",
        "nord": "nordmensa",
        "turm": "turmmensa",
        "italia": "mensaitalia",
        "fasthochschule": "bistrohawk"
        }

MENSA_NAME = {
        "zentral": "Zentralmensa",
        "nord": "Nordmensa",
        "turm": "Turmmensa",
        "italia": "Mensa Italia",
        "fasthochschule": "Bistro Fasthochschule"
        }

HIDE_CATEGORIES_LIGHT = {
        "CampusCurry",
        "natürlich fit",
        "Fitnesscenter",
        "Salatbuffet",
        "Studentenfutter",
        "Süße Versuchung",
        "Süße Spezial Tagesangebot",
        "Vollwert & Co. Stärke",
        "Vollwert & Co. Gemüse",
        "Bio-Beilagen",
        "Dessertbuffet",
        "Last Minute ab 14:30 Uhr",
        ## Nordmensa:
        "Salatbuffet/Pastapoint",
        "Last Minute ab 13:30 Uhr",
        ## Turmmensa:
        "Beilagen",
        "Last Minute ab 14:00Uhr"
        }

HIDE_CATEGORIES_FULL = {
        "Last Minute ab 14:30 Uhr",
        "Last Minute ab 13:30 Uhr",
        "Last Minute ab 14:00Uhr"
        }

MODES = {
        "light" : HIDE_CATEGORIES_LIGHT,
        "full" : HIDE_CATEGORIES_FULL
        }
STOLL = open("stoll.txt", "r+")
BRO = open("bro.txt", "r+")
WAACK = open("waack.txt", "r+")

with open("manta.txt", "r") as tmp_file:
    MANTA = tmp_file.readlines()

with open("goodlife.txt", "r") as tmp_file:
    GOOD_LIFE = tmp_file.readlines()


QUOTEPERSONS = {
        "stoll" : "Dr. Axel Stoll",
        "brosenne" : "Dr. Henrik Brosenne",
        "waack" : "Dr. Stephan Waack"
}

QUOTEFILES = {
        "stoll" : STOLL,
        "brosenne" : BRO,
        "waack" : WAACK
}

# Enable logging
logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
        level=logging.INFO)

logger = logging.getLogger(__name__)

# Define a few command handlers. These usually take the two arguments bot and
# update. Error handlers also receive the raised TelegramError object in error.
def start(bot, update):
    """Was ist das hier für eins Bot?"""
    update.message.reply_text("""Hallo, ich bin ein Bot.
    Ich liefere tolle Informationen über die Mensa. Die Infos kommen von
    https://mensa.schneider-hosting.de
    Mhmm, lecker. Guten Appetit!""")

def help(bot, update):
    """Send a message when the command /help is issued."""
    update.message.reply_text("""Commands:
    *Mensa*:
    /mensa _mensa_  - prints filtered list of meals for _mensa_ (if no _mensa_ given, zentralmensa is used)
    /mensa _mensa_ full - prints full list of meals for _mensa_ (if no _mensa_ given, zentralmensa is used)

    *Fun*:
    /cat - random cat (using thecatapi.com)
    /dog - random dog (using dog.ceo/dog-api)
    /magie - random Axel Stoll quote
    /manta - random Opel Manta joke
    /goodlife - random good life quote
    /shrug - prints shrug
    /kill - kills you
    /revive - revives you
    /sudo kill/revive - force kill/revive
    /graveyard - shows the dead people 
    /help - this help text""", parse_mode=ParseMode.MARKDOWN)

def sendCat(bot, update):
    """CUTE"""
    catfile = cat.getCat();
    bot.send_photo(chat_id=update.message.chat_id, photo=open(catfile, 'rb'))
    os.remove(catfile)


def sendDog(bot, update):
    """CUTE 2.0"""
    dog = pydog.PyDog()
    bot.send_photo(chat_id=update.message.chat_id, photo=dog.get_random_image())

def kill(bot, update, sudocall = False):
    """kill me pls"""
    db = Db()
    user = update.message.from_user.first_name
    if db.is_dead(user, update.message.chat_id):
        if sudocall:
           update.message.reply_text("%s killed again" % user)
           return
        update.message.reply_text("%s is already dead" % user)
        return

    message = update.message.from_user.first_name + " died"
    if sudocall:
        message += " for real"
    db.kill(user, update.message.chat_id)
    update.message.reply_text(message)

def revive(bot, update, sudocall = False):
    """unkill me pls"""
    db = Db()
    user = update.message.from_user.first_name
    if not db.is_dead(user, update.message.chat_id):
        update.message.reply_text("Maybe %s should have a litte 'accident' before" % user)
        return
    if sudocall:
        update.message.reply_text("%s is living again, for real" % user)
        db.revive(user, update.message.chat_id)
        return
    update.message.reply_text("You fool! You cannot revive a dead person!")

SUDOCMDS = {
    "kill" : kill,
    "revive" : revive
}

def graveyard(bot, update):
    """List the dead"""
    db = Db()
    update.message.reply_text("Here are the dead people:\n%s" % db.get_dead_bodies(update.message.chat_id))

def sudo(bot, update, args):
    """for real"""
    if not args :
        update.message.reply_text("Unknown command")
        return
    for arg in args:
        if arg in SUDOCMDS:
            SUDOCMDS[arg](bot, update, True)
        else:
            update.message.reply_text("Unknown command")

def addquote(bot, update, args):
    """for real"""
    if not args :
        update.message.reply_text("missing params")
        return
    person = args[0]
    if person in QUOTEPERSONS:
        quote = ""
        quotefile = QUOTEFILES[person]
        argslenght = len(args)
        for argnum in range(1, argslenght):
            quote += args[argnum]
            if argnum != (argslenght - 1):
                quote += " "
        quotefile.write(quote + "\n")    
        reopen(quotefile)
        update.message.reply_text("Added quote \"%s\" for %s" % (quote, QUOTEPERSONS[person]))
    else:
        update.message.reply_text("wrong params")

def sendCatDog(bot, update):
    """Best of both worlds!"""
    catdog = "https://upload.wikimedia.org/wikipedia/en/6/64/CatDog.jpeg"
    bot.send_photo(chat_id=update.message.chat_id, photo=catdog)

def magie(bot, update):
    """MAGIEEEEEE"""
    rand = random.SystemRandom()
    update.message.reply_text(STOLL[rand.randrange(0, len(STOLL), 1)])

def manta(bot, update):
    """Boah ey, geile Karre!"""
    rand = random.SystemRandom()
    update.message.reply_text(MANTA[rand.randrange(0, len(MANTA), 1)])

def goodlife(bot, update):
    """GOOD LIFE MY A..."""
    rand = random.SystemRandom()
    update.message.reply_text(GOOD_LIFE[rand.randrange(0, len(GOOD_LIFE), 1)])

def shrug(bot, update):
    """SHRUG"""
    update.message.reply_text("¯\_(ツ)_/¯")

def simon(bot, update):
    "KAUF DIR N HUND"
    update.message.reply_text("@Justus_vonRamme bitte kauf dir einen Hund oder eine Katze, du hast zu viel Zeit")

def mensa(bot, update, args):
    which = "zentral"
    filter_categories = MODES["light"]
    diet = ""
    today = datetime.datetime.now().date().weekday() + 1
    if datetime.datetime.now().time() > datetime.time(hour=16):
        # Es ist zu spät am Tag, zeig das essen für morgen an
        today += 1

    today = today % 7
    for arg in args:
        arg = arg.lower()
        if arg in MENSA_NAME:
            which = arg
        elif arg in MODES:
            filter_categories = MODES[arg]
        elif arg in WEEKDAYS:
            today = WEEKDAYS[arg]
        elif arg in DIETS:
            diet = DIETS[arg]
        else: 
            update.message.reply_text("Falscher Aufruf! RTFM und versuchs nochmal.")
            return
    if today == 0:
        update.message.reply_text("Sonntags hat die Mensa zu")
        return
    url = "https://mensa.schneider-hosting.de/static/%s.%d.json" % (MENSA_URL[which], today)
    request = requests.get(url)
    request.encoding = 'utf-8'
    data = request.json()

    message = "Das Essen für %s in der %s \n\n" % (data["date"], MENSA_NAME[which])

    if len(data["meals"]) > 1:
        for meal in data["meals"]:
            if meal["category"] not in filter_categories and diet in meal["diet"]:
                meal_line = "*%s*\n" % meal["category"]
                meal_line += meal["title"].strip() + "\n"

        # Telegram only allows up to 4096 chars per message
                if len(message) + len(meal_line) > 4096:
                    update.message.reply_text(message, parse_mode=ParseMode.MARKDOWN)
                    message = meal_line + "\n"
                else:
                    message += meal_line + "\n"
        update.message.reply_text(message, parse_mode=ParseMode.MARKDOWN)
    else:
        update.message.reply_text("Nix zu futtern heute :(")


def echo(bot, update):
    """Echo the user message."""
    update.message.reply_text(update.message.text)


def error(bot, update, error):
    """Log Errors caused by Updates."""
    logger.warning('Update "%s" caused error "%s"', update, error)


def main():
    """Start the bot."""
    # Create the EventHandler and pass it your bot's token.
    token = open("token").read()
    updater = Updater(token.strip())

    # Get the dispatcher to register handlers
    dp = updater.dispatcher

    # on different commands - answer in Telegram
    dp.add_handler(CommandHandler("start", start))
    dp.add_handler(CommandHandler("help", help))
    dp.add_handler(CommandHandler("magie", magie))
    dp.add_handler(CommandHandler("manta", manta))
    dp.add_handler(CommandHandler("goodlife", goodlife))
    dp.add_handler(CommandHandler("mensa", mensa, pass_args=True))
    dp.add_handler(CommandHandler("addquote", addquote, pass_args=True))
#    dp.add_handler(CommandHandler("quote", quote, pass_args=True))
    dp.add_handler(CommandHandler("sudo", sudo, pass_args=True))
    dp.add_handler(CommandHandler("cat", sendCat))
    dp.add_handler(CommandHandler("dog", sendDog))
    dp.add_handler(CommandHandler("catdog", sendCatDog))
    dp.add_handler(CommandHandler("shrug", shrug))
    dp.add_handler(CommandHandler("kill", kill))
    dp.add_handler(CommandHandler("revive", revive))
    dp.add_handler(CommandHandler("simon", simon))
    dp.add_handler(CommandHandler("graveyard", graveyard))


    # log all errors
    dp.add_error_handler(error)

    # Start the Bot
    updater.start_polling()

    # Run the bot until you press Ctrl-C or the process receives SIGINT,
    # SIGTERM or SIGABRT. This should be used most of the time, since
    # start_polling() is non-blocking and will stop the bot gracefully.
    updater.idle()


if __name__ == '__main__':
    main()