import aiohttp
import asyncio
import emoji
import logging
import re
import settings
from telethon import TelegramClient, events

bot = TelegramClient('bot', settings.API_ID, settings.API_HASH).start(bot_token=settings.API_TOKEN)
web = None
api = lambda route: settings.DYNMAP_ADDRESS + route
emojis = list(emoji.unicode_codes.UNICODE_EMOJI_ENGLISH.keys())
logging.basicConfig(level=logging.INFO)

logging.info('Bridge initialized')

@bot.on(events.NewMessage(incoming=True))
async def new_message(event):
    text = event.raw_text
    sender = await event.get_sender()

    if event.chat.id != settings.CHAT_ID:
        logging.info('Wrong chat ID')
        return

    if not text:
        logging.info('No text found')
        return

    name = re.sub(r'\W+', '', sender.first_name) + '(TG)'
    name = name.replace('Somebody', 'Applezaus')

    logging.info('[SEND] {}: {}'.format(name, text))

    data = dict(name=name, message=text)
    await web.post(api('/up/sendmessage'), json=data)

async def main():
    global web
    web = aiohttp.ClientSession()
    last_time = 0
    last_msg = ''
    logging.info('Bridge loaded')

    while True:
        async with web.get(api('/up/world/world/' + str(last_time))) as res:
            j = await res.json(content_type='text/plain;charset=utf-8')
            last_time = j['timestamp']
            for update in j['updates']:
                if update['type'] != 'chat': continue
                if update['playerName'].endswith('(TG)'): continue

                name = update['playerName']
                icon = emojis[hash(name) % len(emojis)]
                message = '{} <{}> {}'.format(icon, name, update['message'])
                if message == last_msg: continue

                logging.info('[RECV] ' + message)
                await bot.send_message(settings.CHAT_ID, message)
                last_msg = message

        await asyncio.sleep(1)

with bot:
    bot.loop.run_until_complete(main())