from telethon import TelegramClient, events
from telethon.tl.types import PeerUser

from config import API_ID, API_HASH, WORDLIST


client = TelegramClient("notify me on untagged", API_ID, API_HASH)
client.parse_mode = "markdown"


@client.on(events.NewMessage())
async def handler(event: events.NewMessage.Event):
    me = await client.get_me()
    from_ = event.message.from_id
    chan = event.message.peer_id
    message = event.message

    if isinstance(event.message.peer_id, PeerUser):
        return
    if from_.user_id == me.id:
        return
    if message.message == "" or message.message is None:
        return
    if message.mentioned:
        return
    for word in WORDLIST:
        if word.upper() in message.message.upper():
            msg = f"[{from_.user_id}](tg://user?id={from_.user_id}) tagged you in"
            msg += f" [{chan.channel_id}](https://t.me/c/{chan.channel_id}/{str(message.id)}):\n"
            msg += f"{message.message}"
            await client.send_message("me", msg)
            return


def main():
    client.start()
    client.run_until_disconnected()


if __name__ == "__main__":
    main()