app.py

import gradio as gr
from transformers import pipeline

# Load text generation model
chatbot = pipeline("text-generation", model="distilgpt2")

def respond(message, history):
    # Combine chat history into context
    prompt = ""
    for user, bot in history:
        prompt += f"User: {user}\nBot: {bot}\n"
    prompt += f"User: {message}\nBot:"

    # Generate response
    response = chatbot(
        prompt,
        max_length=200,
        do_sample=True,
        temperature=0.7
    )

    bot_reply = response[0]["generated_text"].split("Bot:")[-1].strip()
    return bot_reply

# WhatsApp-style interface
demo = gr.ChatInterface(
    respond,
    title="💬 WhatsApp-Style AI Chatbot",
    description="Type a message and chat with AI"
)

demo.launch()