from services import webcrumbs_host_data_service as svc


def test_webcrumbs_host_data_maps_price_alert_exact_rows(monkeypatch):
    engine = object()

    monkeypatch.setattr(
        svc,
        "fetch_top_competitor_risks",
        lambda passed_engine, limit: [
            {
                "sku": "SKU-REVIEW",
                "name": "需人工覆核的非直接告警候選",
                "momo_price": 999,
                "pchome_price": 500,
                "gap_pct": 99.8,
                "match_score": 0.95,
                "alert_tier": "identity_review",
                "match_type": "exact",
                "price_basis": "total_price",
            },
            {
                "sku": "SKU-1",
                "name": "Derma Angel 護妍天使 集中抗痘精華",
                "momo_price": 420,
                "pchome_price": 250,
                "gap_pct": 68.0,
                "match_score": 0.91,
                "alert_tier": "price_alert_exact",
                "match_type": "exact",
                "price_basis": "total_price",
                "pchome_id": "DABC123",
                "pchome_name": "Derma Angel 集中抗痘精華",
                "crawled_at": "05/31 20:50",
            }
        ],
    )
    monkeypatch.setattr(
        svc,
        "fetch_competitor_coverage",
        lambda passed_engine: {"valid_matches": 88, "match_rate": 12.3},
    )

    payload = svc.build_webcrumbs_marketplace_host_data(engine=engine, limit=5)

    assert payload["marketSnapshot"][0]["name"].startswith("SKU-1")
    assert payload["marketSnapshot"][0]["price"] == 250
    assert payload["marketSnapshot"][0]["change_pct"] == 68.0
    assert payload["aiCandidate"]["ticker"] == "SKU-1"
    assert payload["aiCandidate"]["confidence_score"] == 0.91
    assert "MOMO NT$420 vs PChome NT$250" in payload["aiCandidate"]["thesis"]
    assert payload["aiCandidate"]["release_status"] == "review_required"
    assert payload["metadata"]["writes_database"] is False
    assert payload["metadata"]["calls_llm"] is False
    assert payload["metadata"]["fetches_external"] is False
    assert all(row["freshness_status"] == "price_alert_exact" for row in payload["marketSnapshot"])


def test_webcrumbs_host_data_uses_empty_state_without_risks(monkeypatch):
    monkeypatch.setattr(svc, "fetch_top_competitor_risks", lambda engine, limit: [])
    monkeypatch.setattr(svc, "fetch_competitor_coverage", lambda engine: {"valid_matches": 0})

    payload = svc.build_webcrumbs_marketplace_host_data(engine=object(), limit=5)

    assert payload["marketSnapshot"][0]["freshness_status"] == "no_current_exact_risk"
    assert payload["aiCandidate"]["release_status"] == "blocked"
    assert "非同款、單位價或變體候選" in payload["aiCandidate"]["thesis"]


def test_webcrumbs_seed_data_fallback_does_not_expose_demo_values(monkeypatch):
    from services import external_tool_payload_service as payload_service

    def boom(limit):
        raise RuntimeError("db unavailable")

    monkeypatch.setattr(payload_service, "build_webcrumbs_marketplace_host_data", boom)

    payload = payload_service.build_webcrumbs_seed_data(limit=5)

    assert payload["marketSnapshot"][0]["freshness_status"] == "diagnostic_unavailable"
    assert payload["aiCandidate"]["release_status"] == "blocked"
    assert "fallback demo" in payload["aiCandidate"]["thesis"]
    assert "TAIEX" not in str(payload)


def test_webcrumbs_auth_required_seed_data_is_non_sensitive():
    from services.external_tool_payload_service import build_webcrumbs_auth_required_seed_data

    payload = build_webcrumbs_auth_required_seed_data()

    assert payload["marketSnapshot"][0]["freshness_status"] == "auth_required"
    assert payload["aiCandidate"]["release_status"] == "blocked"
    assert payload["metadata"]["source"] == "auth_required"
    assert "MOMO NT$" not in str(payload)
    assert "PChome NT$" not in str(payload)