"""Interface 52 belongs to the GPU worker; the gateway keeps its legacy routes."""
import asyncio
import importlib

from starlette.requests import Request


def test_legacy_hairline_forwarding(monkeypatch):
    name, path = "hairline_generate", "/api/v1/hairline/generate"
    gateway = importlib.import_module("gateway.app")
    request = Request({"type": "http", "method": "POST", "path": path, "headers": []})
    calls = []

    async def proxy(actual_request, actual_path):
        assert actual_request is request
        calls.append(actual_path)
        return {"forwarded_to": actual_path}

    monkeypatch.setattr(gateway, "_proxy", proxy)
    endpoint = getattr(gateway, name)
    assert next(route for route in gateway.app.routes if getattr(route, "path", None) == path).endpoint is endpoint
    assert asyncio.run(endpoint(request)) == {"forwarded_to": path}
    assert calls == [path]


def test_interface52_is_not_exposed_by_gateway():
    gateway = importlib.import_module("gateway.app")
    assert not any(getattr(route, "path", None) == "/api/v1/hairline/generate-52"
                   for route in gateway.app.routes)