"""Unit tests for optional adapter interfaces (Tier 2 / Tier 3)."""

from src.tools.adapters.embeddings import LocalEmbeddingsAdapter
from src.tools.adapters.llm import LLMFallbackAdapter
from src.tools.classifier import InherenceClassifier
from src.tools.models import ECPSnapshot


def test_embeddings_adapter_interface():
    adapter = LocalEmbeddingsAdapter()
    assert isinstance(adapter.is_available(), bool)
    assert adapter.evaluate_similarity("test text", ["term1", "term2"]) == 0.0


def test_llm_adapter_interface():
    adapter = LLMFallbackAdapter()
    assert isinstance(adapter.is_available(), bool)


def test_classifier_with_adapter_flags():
    classifier = InherenceClassifier(enable_embeddings=True, enable_llm=True)
    assert classifier._embeddings_adapter is not None
    assert classifier._llm_adapter is not None

    ecp = ECPSnapshot(
        target_entity_id="ent_test",
        target_name="TestCorp",
        aliases=["TestCorp"],
        domain="Tech",
        anchors=["software"],
    )
    res = classifier.classify(ecp, "TestCorp builds enterprise cloud software.")
    assert res.decision.value == "DIRECT_INHERENT"
    assert res.is_inherent is True