#!/usr/bin/env python3
"""
WSGI entry point for production servers (Waitress, Gunicorn, etc.).
"""
import asyncio
import logging
from a2wsgi import ASGIMiddleware
from app.core.app import create_app

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# Create the FastAPI application instance
app = create_app()

def create_wsgi_app():
    """
    Create a WSGI application with route refresh on startup.
    
    This function is intended for production WSGI servers (e.g., Waitress).
    Since WSGI does not support ASGI lifespan events, we manually refresh
    routes from the database once when the WSGI app is created.
    """
    loop = None
    try:
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
        route_manager = app.state.route_manager
        logger.info("Refreshing routes from database (WSGI startup)...")
        loop.run_until_complete(route_manager.refresh_routes())
        logger.info(f"Registered {len(route_manager.registered_routes)} routes")
    except Exception as e:
        logger.warning(f"Failed to refresh routes on startup: {e}")
        # Continue anyway; routes can be refreshed later via admin interface
    finally:
        if loop is not None:
            loop.close()

    # Wrap FastAPI ASGI app with WSGI adapter
    wsgi_app = ASGIMiddleware(app)
    return wsgi_app

# Create WSGI application
wsgi_app = create_wsgi_app()

if __name__ == "__main__":
    # For testing WSGI app directly
    from wsgiref.simple_server import make_server
    print("Starting WSGI server on http://localhost:8000")
    server = make_server('localhost', 8000, wsgi_app)
    server.serve_forever()