import json
from io import BytesIO

from phase_memory.service_app import ServiceAppConfig, create_wsgi_app, main, service_app_metadata


def test_service_app_metadata_exposes_deployable_routes_without_listener(tmp_path) -> None:
    config = ServiceAppConfig(host="127.0.0.1", port=8123, local_store_path=str(tmp_path))

    metadata = service_app_metadata(config)

    assert metadata["schema_version"] == "phase_memory.service.app.v1"
    assert metadata["config"]["port"] == 8123
    assert metadata["readiness"]["ok"] is True
    assert metadata["routes"]["operations"] == "/operations/{operation}"


def test_service_wsgi_app_can_dispatch_without_opening_listener(tmp_path) -> None:
    app = create_wsgi_app(ServiceAppConfig(local_store_path=str(tmp_path)))
    statuses: list[str] = []

    payload = json.dumps({"selection": {"schema_version": "markitect.memory.selection.v1", "id": "svc", "nodes": [], "events": []}}).encode("utf-8")
    body = b"".join(
        app(
            {
                "REQUEST_METHOD": "POST",
                "PATH_INFO": "/operations/package.compile",
                "CONTENT_LENGTH": str(len(payload)),
                "wsgi.input": BytesIO(payload),
            },
            lambda status, _headers: statuses.append(status),
        )
    )

    response = json.loads(body.decode("utf-8"))
    assert statuses == ["200 OK"]
    assert response["operation"] == "package.compile"


def test_service_main_check_builds_app_without_serving(tmp_path) -> None:
    assert main(["--check", "--store", str(tmp_path), "--port", "8124"]) == 0