"""ASGI entry point.

HTTP is Django as usual. The websocket carries presence and the document deltas
the server broadcasts after a write — never writes, which stay on HTTP. See
docs/architecture.md, Collaboration.
"""
import os

from django.core.asgi import get_asgi_application

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "server.settings")
django_asgi_app = get_asgi_application()

from channels.auth import AuthMiddlewareStack  # noqa: E402
from channels.routing import ProtocolTypeRouter, URLRouter  # noqa: E402
from channels.security.websocket import AllowedHostsOriginValidator  # noqa: E402

from clips.routing import websocket_urlpatterns  # noqa: E402

application = ProtocolTypeRouter({
    "http": django_asgi_app,
    "websocket": AllowedHostsOriginValidator(
        AuthMiddlewareStack(URLRouter(websocket_urlpatterns))
    ),
})