from app.engine.legal_risk import LegalRiskEngine, Precedent, load_precedents


def _case() -> Precedent:
    return Precedent(
        case_id="case-1",
        title="테스트 판례",
        source_url="https://example.test/case-1",
        work_types=("literary",),
        legal_tags=("reproduction",),
        criteria=("실질적 유사성",),
        holding_summary="테스트 요약",
    )


def test_empty_precedents_never_claim_legal_conclusion():
    result = LegalRiskEngine([]).assess(
        max_similarity=0.95, coverage=0.8, longest_span=300,
        legal_tags=["reproduction"],
    )
    assert result.status == "insufficient_precedent_data"
    assert result.risk_level is None


def test_risk_requires_missing_facts_and_only_registered_case_ids():
    result = LegalRiskEngine([_case()]).assess(
        max_similarity=0.9, coverage=0.5, longest_span=200,
        legal_tags=["reproduction"],
    )
    assert result.status == "review_required"
    assert result.risk_level == "high"
    assert result.precedent_ids == ("case-1",)
    assert len(result.missing_factors) == 3


def test_repository_seed_is_valid():
    cases = load_precedents("data/precedents/precedents.jsonl")
    assert cases
    assert cases[0].case_id == "2012다73493"