def test_list_vehicles_filters_by_status(ops_client):
    response = ops_client.get("/api/v1/vehicles", params={"status": "maintenance"})
    assert response.status_code == 200
    vehicles = response.json()
    assert len(vehicles) > 0
    assert all(v["operational_status"] == "maintenance" for v in vehicles)


def test_attention_only_filters_flagged_vehicles(ops_client):
    response = ops_client.get("/api/v1/vehicles", params={"attention_only": True})
    assert response.status_code == 200
    vehicles = response.json()
    assert len(vehicles) > 0
    assert all(v["attention"] for v in vehicles)


def test_vehicle_detail_includes_related_records(ops_client):
    response = ops_client.get("/api/v1/vehicles/MO-016")
    assert response.status_code == 200
    body = response.json()
    assert body["public_ref"] == "MO-016"
    assert len(body["quality_issues"]) >= 1


def test_vehicle_detail_404_for_unknown_ref(ops_client):
    response = ops_client.get("/api/v1/vehicles/MO-999")
    assert response.status_code == 404