#!/usr/bin/env python3

import gradio as gr
import time
from datetime import datetime

# Simple fallback functions
def simple_process_query(query):
    return f"Echo response: {query} (processed at {datetime.now().strftime('%H:%M:%S')})"

def simple_chat(message, history):
    if not message.strip():
        return history, ""
    
    response = simple_process_query(message)
    new_history = history + [[message, response]]
    return new_history, ""

# Create simple demo
with gr.Blocks(title="Simple Wisal Demo") as demo:
    gr.Markdown("# 🧠 Wisal - Simple Demo")
    
    with gr.Row():
        with gr.Column():
            chatbot = gr.Chatbot(
                label="💬 Chat with Wisal",
                height=400
            )
            
            with gr.Row():
                msg = gr.Textbox(
                    placeholder="Type your message here...",
                    label="Message",
                    scale=4
                )
                send_btn = gr.Button("Send", variant="primary")
            
            clear_btn = gr.Button("Clear Chat")
    
    # Event handlers
    send_btn.click(
        simple_chat,
        inputs=[msg, chatbot],
        outputs=[chatbot, msg]
    )
    
    msg.submit(
        simple_chat,
        inputs=[msg, chatbot], 
        outputs=[chatbot, msg]
    )
    
    clear_btn.click(
        lambda: ([], ""),
        outputs=[chatbot, msg]
    )

if __name__ == "__main__":
    print("Starting simple demo...")
    demo.launch(
        server_name="localhost",
        server_port=7862,
        share=False,
        show_error=True
    )