from fastapi.testclient import TestClient
from tailscalesd.main import Settings, app, get_settings

client = TestClient(app)


def get_settings_override() -> Settings:
    return Settings(test_mode=True, tailnet="test", api_key="test", bearer_token="test")


app.dependency_overrides[get_settings] = get_settings_override


def test_auth_works():
    response = client.get("/", headers={"Authorization": "Bearer test"})
    assert response.status_code == 200
    assert response.json() == []


def test_unauthorized_wrong_token():
    response = client.get("/", headers={"Authorization": "Bearer incorrect_token"})
    assert response.status_code == 401
    assert response.json() == {"detail": "Invalid authentication credentials"}


def test_unauthorized_no_token():
    response = client.get("/")
    assert response.status_code == 403
    assert response.json() == {"detail": "Not authenticated"}