main.py

import ptbot
import os
from pytimeparse import parse

TG_TOKEN = os.getenv('TELEGRAM_TOKEN') 
TG_CHAT_ID = os.getenv('TG_CHAT_ID')  
bot = ptbot.Bot(TG_TOKEN)

current_timer = None
timer_paused = False
remaining_time = 0

def wait(chat_id, question):
    global current_timer, timer_paused, remaining_time

    if question.lower() == 'pause':
        if current_timer and not timer_paused:
            timer_paused = True
            bot.send_message(chat_id, "Timer paused.")
        else:
            bot.send_message(chat_id, "No active timer to pause.")
        return
    elif question.lower() == 'reset':
        if current_timer:
            current_timer.schedule_removal()
            current_timer = None
            timer_paused = False
            remaining_time = 0
            bot.send_message(chat_id, "Timer reset.")
        else:
            bot.send_message(chat_id, "No active timer to reset.")
        return

    reply_secs = parse(question)
    remaining_time = reply_secs
    message_id = bot.send_message(chat_id, "Remaining seconds: {}\n{}".format(
        reply_secs, render_progressbar(reply_secs, 0)))
    current_timer = bot.create_countdown(reply_secs, notify_progress, chat_id=chat_id, 
                                         message_id=message_id, reply_secs=reply_secs)
    bot.create_timer(reply_secs, notify, chat_id=chat_id)

def notify_progress(secs_left, chat_id, message_id, reply_secs):
    global timer_paused, remaining_time

    if timer_paused:
        remaining_time = secs_left
        return

    bot.update_message(chat_id, message_id, 
                       "Remaining seconds: {}\n{}".format(secs_left, 
                        render_progressbar(reply_secs, (reply_secs - secs_left))))

def render_progressbar(total, iteration, prefix='', suffix='', length=30, 
                       fill='█', zfill='░'):
    iteration = min(total, iteration)
    percent = "{0:.1f}"
    percent = percent.format(100 * (iteration / float(total)))
    filled_length = int(length * iteration // total)
    pbar = fill * filled_length + zfill * (length - filled_length)
    return '{0} |{1}| {2}% {3}'.format(prefix, pbar, percent, suffix)

def notify(chat_id):
    bot.send_message(chat_id, "Time's up")

bot = ptbot.Bot(TG_TOKEN)
bot.reply_on_message(wait) 
bot.run_bot()