"""Tests del CompositeGuardrailEngine."""

from uuid import uuid4

import pytest

from forja_core.domain.policy import PolicyDefinition
from forja_core.guardrails.composite import CompositeGuardrailEngine
from forja_core.guardrails.guardrails_ai import GuardrailsAIEngine
from forja_core.guardrails.nemo import NeMoGuardrailsEngine


@pytest.fixture
def policy() -> PolicyDefinition:
    return PolicyDefinition(
        name="t",
        version="v1",
        description="t",
        input_validators=[],
        output_validators=[],
    )


async def test_composite_agrega_violaciones_de_todos(policy: PolicyDefinition) -> None:
    engine = CompositeGuardrailEngine(
        [GuardrailsAIEngine(), NeMoGuardrailsEngine(allowed_keywords=["sip"])]
    )
    violations = await engine.validate_input("texto sin tema", policy, uuid4())
    assert isinstance(violations, list)
    # NeMo debe marcar off-topic (warning, no bloqueo)
    assert any(v.validator == "NeMoTopicalRails" for v in violations)


async def test_composite_no_agrega_si_match_topic(policy: PolicyDefinition) -> None:
    engine = CompositeGuardrailEngine(
        [GuardrailsAIEngine(), NeMoGuardrailsEngine(allowed_keywords=["sip"])]
    )
    violations = await engine.validate_input("incidente sip en cscf", policy, uuid4())
    assert not [v for v in violations if v.validator == "NeMoTopicalRails"]


def test_composite_rechaza_lista_vacia() -> None:
    with pytest.raises(ValueError):
        CompositeGuardrailEngine([])