import argparse
import uvicorn
import threading
import os
import config
from app import app as gradio_app
from api import app as api_app

def run_api():
    """Run the FastAPI server"""
    uvicorn.run(
        api_app, 
        host=config.API_HOST, 
        port=config.API_PORT
    )

def run_gradio():
    """Run the Gradio interface"""
    gradio_app.launch(
        server_name=config.GRADIO_HOST, 
        server_port=config.GRADIO_PORT,
        share=False
    )

def main():
    parser = argparse.ArgumentParser(description="Run Diffusion Models App")
    parser.add_argument(
        "--mode", 
        type=str, 
        default="all", 
        choices=["all", "api", "ui"],
        help="Which component to run: 'all' (default), 'api', or 'ui'"
    )
    
    args = parser.parse_args()
    
    # Check if HF_TOKEN is set
    if not config.HF_TOKEN:
        print("Warning: HF_TOKEN environment variable is not set. Please set it for API access.")
        print("You can create a .env file with HF_TOKEN=your_token or set it in your environment.")
    
    if args.mode == "all":
        # Run both API and UI in separate threads
        api_thread = threading.Thread(target=run_api)
        api_thread.daemon = True
        api_thread.start()
        
        print(f"API server running at http://{config.API_HOST}:{config.API_PORT}")
        print(f"Starting Gradio UI at http://{config.GRADIO_HOST}:{config.GRADIO_PORT}")
        
        # Run Gradio in the main thread
        run_gradio()
    
    elif args.mode == "api":
        print(f"Starting API server at http://{config.API_HOST}:{config.API_PORT}")
        run_api()
    
    elif args.mode == "ui":
        print(f"Starting Gradio UI at http://{config.GRADIO_HOST}:{config.GRADIO_PORT}")
        run_gradio()

if __name__ == "__main__":
    main()