from services.shared.intents import CONTROL_INTENTS, UNKNOWN_INTENT, normalize_intent


def test_control_intent_passes_through_unchanged():
    assert normalize_intent("handoff_request") == "handoff_request"
    assert normalize_intent("kb_answer", known_topic_codes=["VOUCHER_ACTIVATION"]) == "kb_answer"


def test_matching_topic_code_passes_through_case_insensitively():
    assert normalize_intent("voucher_activation", known_topic_codes=["VOUCHER_ACTIVATION"]) == "VOUCHER_ACTIVATION"
    assert normalize_intent("  Voucher_Activation  ", known_topic_codes=["voucher_activation"]) == "VOUCHER_ACTIVATION"


def test_unknown_topic_code_falls_back_to_unknown():
    assert normalize_intent("made_up_intent", known_topic_codes=["VOUCHER_ACTIVATION"]) == UNKNOWN_INTENT
    assert normalize_intent("voucher_activation", known_topic_codes=[]) == UNKNOWN_INTENT


def test_empty_or_missing_intent_falls_back_to_unknown():
    assert normalize_intent(None) == UNKNOWN_INTENT
    assert normalize_intent("") == UNKNOWN_INTENT
    assert normalize_intent("   ") == UNKNOWN_INTENT


def test_control_intents_frozenset_matches_documented_values():
    assert CONTROL_INTENTS == {
        "identity_question",
        "handoff_request",
        "sensitive_request",
        "resolution_confirmed",
        "clarification",
        "kb_answer",
        "unknown",
    }