app.py

import logging
import random
from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
from telegram.ext import ApplicationBuilder, CommandHandler, MessageHandler, filters, CallbackQueryHandler

# Enable logging
logging.basicConfig(
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    level=logging.INFO
)
logger = logging.getLogger(__name__)

# Fun fact list
fun_facts = [
    "Did you know? Honey never spoils.",
    "Fact: Bananas are berries, but strawberries aren't.",
    "Fun Fact: Octopuses have three hearts!",
    "Legendary: The Eiffel Tower can grow by 6 inches in summer due to heat expansion.",
    "Myth or fact? You can't hum while holding your nose closed."
]

# Start command
async def start(update: Update, context) -> None:
    await update.message.reply_text(
        f"Welcome to the legendary Error404Bot!\nI'm here to assist you with the best features.\nUse /help to see more commands."
    )

# Help command
async def help_command(update: Update, context) -> None:
    await update.message.reply_text(
        "/start - Start interacting with the bot.\n"
        "/welcome - Sends a custom welcome message.\n"
        "/fact - Get a fun fact."
    )

# Welcome message function
async def welcome(update: Update, context) -> None:
    user = update.effective_user
    welcome_text = f"Welcome, {user.first_name}, to the legendary Error404Bot community! Prepare to be amazed. 😎"
    
    keyboard = [
        [InlineKeyboardButton("Learn More", callback_data='learn_more')],
        [InlineKeyboardButton("Support", callback_data='support')]
    ]
    reply_markup = InlineKeyboardMarkup(keyboard)

    await update.message.reply_text(welcome_text, reply_markup=reply_markup)

# Fun fact feature
async def send_fun_fact(update: Update, context) -> None:
    fact = random.choice(fun_facts)
    await update.message.reply_text(fact)

# Button handler (for Learn More and Support)
async def button(update: Update, context) -> None:
    query = update.callback_query
    await query.answer()

    if query.data == 'learn_more':
        await query.edit_message_text(text="This bot is designed to provide legendary services and features.")
    elif query.data == 'support':
        await query.edit_message_text(text="Support is on the way! Please wait for a response or contact @support.")

# Error handler
async def error_handler(update: object, context) -> None:
    logger.error(msg="Exception while handling an update:", exc_info=context.error)

# Main function to run the bot
async def main() -> None:
    # Create the Application and pass it your bot's token.
    application = ApplicationBuilder().token("7813873560:AAFW6_I_n9OYgbycJZsL92ns1SuXsrYLTI0").build()

    # Register command handlers
    application.add_handler(CommandHandler("start", start))
    application.add_handler(CommandHandler("help", help_command))
    application.add_handler(CommandHandler("welcome", welcome))
    application.add_handler(CommandHandler("fact", send_fun_fact))
    
    # Button handler for interactive buttons
    application.add_handler(CallbackQueryHandler(button))

    # Log all errors
    application.add_error_handler(error_handler)

    # Start the bot
    await application.start_polling()
    await application.idle()

# Run the bot
if __name__ == '__main__':
    import asyncio
    asyncio.run(main())