"""Tests for transcription.api.health."""

from fastapi import FastAPI
from fastapi.testclient import TestClient

from transcription.api.health import router
from transcription.worker import WorkerHealthSnapshot


class TestHealthEndpoint:
    """Verify /healthz endpoint behavior."""

    def test_healthz_returns_ok_status_with_unknown_worker_when_uninitialized(self):
        """GET /healthz returns a healthy status payload."""
        app = FastAPI()
        app.include_router(router)
        client = TestClient(app)

        response = client.get("/healthz")

        assert response.status_code == 200
        assert response.json() == {"status": "ok", "worker": {"state": "unknown"}}

    def test_healthz_returns_worker_failure_metadata_when_available(self):
        app = FastAPI()
        app.state.worker_health = WorkerHealthSnapshot(
            state="failed",
            error_id="abc12345",
            error_category="internal_unexpected_error",
        )
        app.include_router(router)
        client = TestClient(app)

        response = client.get("/healthz")

        assert response.status_code == 200
        assert response.json() == {
            "status": "ok",
            "worker": {
                "state": "failed",
                "error_id": "abc12345",
                "error_category": "internal_unexpected_error",
            },
        }