from fastapi.testclient import TestClient

from web.app import app


client = TestClient(app)


def test_healthz_returns_ok_shape():
    response = client.get('/healthz')
    assert response.status_code == 200
    payload = response.json()
    assert payload['status'] in {'ok', 'degraded'}
    assert 'db' in payload
    assert 'state_storage_mode' in payload
    assert 'cities_count' in payload


def test_system_status_returns_summary_shape():
    response = client.get('/api/system/status')
    assert response.status_code == 200
    payload = response.json()
    assert 'db' in payload
    assert 'features' in payload
    assert 'integrations' in payload
    assert 'cache' in payload
    assert 'probability' in payload
    assert 'rollout' in payload['probability']
    assert payload['probability']['rollout']['decision']['decision'] in {'hold', 'observe', 'promote'}
    assert 'cities_count' in payload


def test_metrics_endpoint_returns_prometheus_payload():
    response = client.get('/metrics')
    assert response.status_code == 200
    assert 'polyweather_http_requests_total' in response.text


def test_payment_runtime_endpoint_returns_shape():
    response = client.get('/api/payments/runtime')
    assert response.status_code == 200
    payload = response.json()
    assert 'checkout' in payload
    assert 'rpc' in payload
    assert 'event_loop_state' in payload
    assert 'recent_audit_events' in payload