"""WSGI entrypoint for production deployments.

This module is what Gunicorn imports.
We also start background tasks that are normally started in run.py:
- UDP trigger listener
- event expiry monitor
"""

from __future__ import annotations

import os

from app import create_app
from models import db
from sockets import start_event_monitor
from udp_listener import start_udp_listener


app = create_app()

# Ensure DB exists on first boot (SQLite-based default).
with app.app_context():
    db.create_all()


def _start_background_tasks() -> None:
    start_udp_listener(app)
    start_event_monitor(app)


# With Gunicorn the module can be imported multiple times (worker processes).
# This app is designed for LAN/kiosk setups; we intentionally run a single worker
# by default to avoid duplicated UDP listeners.
if os.environ.get("SYNCPLAYER_START_TASKS", "1") in ("1", "true", "yes"):
    _start_background_tasks()


# Note: create_app() calls socketio.init_app(app), which wraps app.wsgi_app.
# For Gunicorn, we can export the Flask app directly.