app.py

import gradio as gr
import datetime
from inference import generate_response
from logger import log_feedback
from init_model import initialize_evo_model
from init_save import retrain_model

print(f"===== Application Startup at {datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')} =====")

# Reinitialize EvoTransformer model on startup
initialize_evo_model()

# Gradio app logic
def evo_chat(goal, sol1, sol2):
    if not goal.strip() or not sol1.strip() or not sol2.strip():
        return "❌ Please fill all fields.", "", "", "", "", gr.update(visible=False)

    suggestion = generate_response(goal, sol1, sol2)
    return "", "", "", suggestion, "", gr.update(visible=True)

def log_user_feedback(goal, sol1, sol2, winner):
    status = log_feedback(goal, sol1, sol2, winner)
    return status

def retrain_evo_model():
    success = retrain_model()
    return "✅ Retrained successfully." if success else "⚠️ Retrain failed."

with gr.Blocks(css=".gradio-container {font-family: 'Segoe UI'; font-size: 16px;}") as demo:
    gr.Markdown("## 🧠 EvoTransformer v2.1 – Compare Options and Learn")

    with gr.Row():
        goal = gr.Textbox(label="Goal", placeholder="e.g. Escape from house on fire")
    
    with gr.Row():
        sol1 = gr.Textbox(label="Option 1", placeholder="e.g. Exit house through main door")
        sol2 = gr.Textbox(label="Option 2", placeholder="e.g. Hide under bed")

    with gr.Row():
        error_box = gr.Textbox(label="Error", visible=False)
    
    model_suggestion = gr.Textbox(label="Model Suggestion")
    
    compare_button = gr.Button("🔍 Compare")
    compare_button.click(evo_chat, inputs=[goal, sol1, sol2], outputs=[error_box, sol1, sol2, model_suggestion, goal, compare_button])

    with gr.Row():
        winner_choice = gr.Radio(["Solution 1", "Solution 2"], label="Which was better?")
        feedback_btn = gr.Button("✅ Log Feedback")
        feedback_status = gr.Textbox(label="", interactive=False)
        feedback_btn.click(log_user_feedback, inputs=[goal, sol1, sol2, winner_choice], outputs=[feedback_status])

    gr.Markdown("## 📊 Dashboard")
    with gr.Row():
        retrain_button = gr.Button("♻️ Retrain Evo")
        retrain_output = gr.Textbox(label="Retrain Status")
        retrain_button.click(retrain_evo_model, outputs=[retrain_output])

# Launch with SSR and shareable link if needed
demo.launch(share=True, server_name="0.0.0.0", server_port=7860, show_error=True, ssr_mode=True)