import telebot
import random

token = "803819573:AAFZjTgEaYcoUE6drkvhzUHB-smQ-oUiSys"

bot = telebot.TeleBot(token)

upd = bot.get_updates()


def get_last_message(upd):
    return upd[-1]

def get_id(last_message):
    return last_message.message.chat.id

def get_name(last_message):
    return last_message.message.chat.first_name

def get_message_text(last_message):
    return last_message.message.text

message_id = 0

commands = ["привет", "пока", "мем"]
memes = ["https://pp.userapi.com/c845017/v845017177/1f3507/vZ6UQnPDW3U.jpg", "https://pp.userapi.com/c844321/v844321177/1e9097/bl-bfuetusk.jpg", "https://pp.userapi.com/c850624/v850624680/fd106/PdaosyT7QXI.jpg"]

while True:
    updates = bot.get_updates()

    last_message = get_last_message(updates)

    message_id_last = last_message.update_id

    text = get_message_text(last_message)

    id  = get_id(last_message)

    name = get_name(last_message)

    if message_id_last != message_id:
        message_id = message_id_last

        if text.lower() == "привет":
            bot.send_message(id, "Привет " + name)
        elif text.lower() == "пока":
            bot.send_message(id, "Пока даун, не пиши мне больше")
        elif text.lower() == "мем":
            bot.send_message(id, random.choice(memes))
        elif text.lower() == "команды":
            bot.send_message(id, "Список команд:\n" + "\n".join(commands))