#!/usr/bin/env python3
import time

import telebot
from telebot import types

key_api = input("Укажите ключ бота")
dodo_bot = telebot.Telebot(f"{key_api}", parse_mode=None)


@dodo_bot.message_handler(commans=['start', 'help'])
def start_bot(message):
    dodo_bot.reply_to(message, message.text)


@dodo_bot.message_handler(content_types=['text'])
def menu(a):
    if a.text == "Inline_menu":
        mainmenu = types.InlineKeyboardMarkup()
        key1 = types.InlineKeyboardButton(text='Кнопка 1', callback_data='key1')
        key2 = types.InlineKeyboardButton(text='Кнопка 2', callback_data='key2')
        mainmenu.add(key1, key2)
        dodo_bot.send_message(a.chat.id, 'Это главное меню!', reply_markup=mainmenu)


@dodo_bot.callback_query_handler(func=lambda call: True)
def back(call):
    if call.data == "mainmenu":
        mainmenu = types.InlineKeyboardMarkup()
        key1 = types.InlineKeyboardButton(text='Кнопка 1', callback_data='key1')
        key2 = types.InlineKeyboardButton(text='Кнопка 2', callback_data='key2')
        mainmenu.add(key1, key2)
        dodo_bot.edit_message_reply_markup(call.message.chat.id, call.message.message_id, reply_markup=mainmenu)
    elif call.data == "key1":
        next_menu = types.InlineKeyboardMarkup()
        key3 = types.InlineKeyboardButton(text='Кнопка 3', callback_data='key3')
        back = types.InlineKeyboardButton(text='Назад', callback_data='mainmenu')
        next_menu.add(key3, back)
        dodo_bot.edit_message_text('Это меню уровня 2, для кнопки1!', call.message.chat.id, call.message.message_id,
                              reply_markup=next_menu)
    elif call.data == "key2":
        next_menu2 = types.InlineKeyboardMarkup()
        key4 = types.InlineKeyboardButton(text='Кнопка 4', callback_data='key4')
        back = types.InlineKeyboardButton(text='Назад', callback_data='mainmenu')
        next_menu2.add(key4, back)
        dodo_bot.edit_message_text('Это меню уровня 2, для кнопки2!', call.message.chat.id, call.message.message_id,
                              reply_markup=next_menu2)


dodo_bot.polling()