app.py

import gradio as gr
from fastapi import FastAPI
import sys
import os

# Ensure the current directory is in the path so imports work correctly
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

# 1. Import the PureVersation Gradio UI
# The original UI is defined in main.py as 'demo'
try:
    from main import demo as pureversation_ui
except ImportError as e:
    print(f"Warning: Could not import main.py demo: {e}")
    # Fallback placeholder
    with gr.Blocks() as pureversation_ui:
        gr.Markdown("# PureVersation UI Loading...")

# 2. Import the PureKITchat FastAPI app
try:
    from api import app as purekitchat_api
except ImportError as e:
    print(f"Warning: Could not import api.py: {e}")
    purekitchat_api = FastAPI()

# 3. Mount the Gradio UI onto the FastAPI app
# This makes FastAPI the master server. It handles /api routes natively,
# and passes all other traffic (like /) to the Gradio UI.
app = gr.mount_gradio_app(purekitchat_api, pureversation_ui, path="/")

if __name__ == "__main__":
    import uvicorn
    # HuggingFace Spaces defaults to port 7860
    uvicorn.run("app:app", host="0.0.0.0", port=7860, reload=False)