module Bot

export find_username

using Logging
using Telegram, Telegram.API
import ..fetch_in_env

TG_TOKEN = fetch_in_env("TG_TOKEN_MARKOV")
CHAT_ID = parse(Int, fetch_in_env("TG_CHAT_ID"))

TELEGRAM_BOT = TelegramClient(TG_TOKEN, use_globally=false)

function find_username(user_id)
    global TELEGRAM_BOT, CHAT_ID
    @debug "Fetching user" user_id
    u = getChatMember(TELEGRAM_BOT, user_id=user_id, chat_id=CHAT_ID)
    u[:user][:username]
end

function register_command(commands...)
    global TELEGRAM_BOT
    setMyCommands(TELEGRAM_BOT, commands)
end

end