import telegram
  from telegram.ext import Updater, CommandHandler, MessageHandler, Filters
  import data # Import your data handling functions from `data.py`
  BOT_TOKEN = "7728880427:AAFOnNdOpFw9imBxkwtVnZKET-cbcjJVYIM"
  def start(update, context):
    user_id = update.message.from_user.id
    user_data = data.load_data()

    if user_id not in user_data:
      user_data[user_id] = {"points": 0, "referrals": []} 
      data.save_data(user_data)
      update.message.reply_text(
        "Welcome! Start earning points by completing tasks."
      )
    else:
      update.message.reply_text("Welcome back!")
        def complete_task(update, context):
    user_id = update.message.from_user.id
    user_data = data.load_data()

    if user_id in user_data:
      user_data[user_id]["points"] += 10 # Award points for completing a task
      data.save_data(user_data)
      update.message.reply_text("Task completed! +10 points.")
    else:
      update.message.reply_text("Start by using /start.")
        def refer(update, context):
    user_id = update.message.from_user.id
    user_data = data.load_data()

    if user_id in user_data:
      referral_link = f"https://t.me/your_bot_username?start=ref_{user_id}" # Your bot's username
      update.message.reply_text(
        f"Share this link to refer your friends: {referral_link}"
      )
    else:
      update.message.reply_text("Start by using /start.")
        updater = Updater(BOT_TOKEN, use_context=True)
  dispatcher = updater.dispatcher

  dispatcher.add_handler(CommandHandler("start", start))
  dispatcher.add_handler(CommandHandler("task", complete_task))
  dispatcher.add_handler(CommandHandler("refer", refer))
  dispatcher.add_handler(MessageHandler(Filters.regex("^ref_[0-9]+$"), handle_referral))

  updater.start_polling()
  updater.idle()