#!/usr/bin/env python3

import config
import logging
import requests
import re
from emoji import demojize
from telegram.ext import Updater, MessageHandler, Filters

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


def get_text_or_type(msg, bot, truncate=False):
    message = ""

    # Set message contents
    if msg.text:
        if msg.from_user.username == bot.username:
            x = re.compile('(<.*?>)(.*)')
            y = x.search(msg.text)
            z = y.group(2)
            message += (z if len(z) <= 20 or not truncate else z[0:19] + "...")
        else:
            message += (msg.text if len(msg.text) <= 20 or not truncate else
                        msg.text[0:19] + "...")
    elif msg.audio:
        message += "[Audio]"
    elif msg.document:
        message += "[Document]"
    elif msg.animation:
        message += "[GIF]"
    elif msg.game:
        message += "[Game]"
    elif msg.photo:
        message += "[Photo]"
    elif msg.sticker:
        message += "[Sticker]"
    elif msg.video:
        message += "[Video]"
    elif msg.voice:
        message += "[Voice Note]"
    elif msg.video_note:
        message += "[Video Note]"
    elif msg.contact:
        message += "[Contact]"
    elif msg.location:
        message += "[Location]"
    elif msg.venue:
        message += "[Venue]"
    else:
        message += "[Unknown type]"

    # If caption exists
    if msg.caption:
        message += (msg.caption if len(msg.caption) <= 20 or not truncate else
                    msg.caption[0:19] + "...")

    # Set sender
    return_message = ""
    for i in message.strip().split("\n"):
        if msg.from_user.username != bot.username:
            if msg.from_user.username:
                return_message += f"@{msg.from_user.username}: "
            else:
                return_message += f"{msg.from_user.first_name}: "
        else:
            x = re.compile('(<.*?>)(.*)')
            y = x.search(msg.text)
            return_message = y.group(1) + ": " + i + "\n"
        # Set the replied to message's contents
        if msg.reply_to_message:
            return_message += ("[> " +
                               get_text_or_type(msg.reply_to_message, bot,
                                                True).split("\n")[0] +
                               f"] ")
        return_message += i + "\n"

    return return_message.strip()


def message_handling(bot, update):
    if update.message.chat.id in config.groups:
        message = get_text_or_type(update.message, bot)
        params = {"message": demojize(message)}
        requests.post("http://localhost:" + str(config.port) + "/post",
                      data=params)


updater = Updater(token=config.api_key)
dispatcher = updater.dispatcher
dispatcher.add_handler(MessageHandler(Filters.all, message_handling))
updater.start_polling()