"""Prüfer-Router: build_spec aus sensor_classification + method-agnostischer
Dispatch. CONTENT/LLM -> Haiku-Sufficiency-Tier (validiert), unbekannte
decision_methods -> fail-safe present=None."""
import pytest
from unittest.mock import AsyncMock, patch

from compliance.services.checkers.base import DocContext
from compliance.services.checkers.router import build_spec, route_and_check

_ANTHROPIC = "compliance.services.llm_cascade._call_anthropic"


def test_build_spec_content_llm_uses_haiku():
    s = build_spec("X", {"verification_method": "CONTENT", "decision_method": "LLM"},
                   label="L", criteria=["a", "b"])
    assert s.verification_method == "CONTENT" and s.decision_method == "LLM"
    assert s.extra.get("judge") == "haiku"
    assert s.paraphrases == ["a", "b"]


def test_build_spec_embedding_no_haiku():
    s = build_spec("X", {"verification_method": "CONTENT", "decision_method": "EMBEDDING"})
    assert s.extra.get("judge") is None


@pytest.mark.asyncio
async def test_route_unknown_decision_is_failsafe():
    s = build_spec("X", {"verification_method": "BEHAVIOR", "decision_method": "PLAYWRIGHT"})
    r = await route_and_check(s, DocContext(text="x" * 200))
    assert r.present is None and "no_checker" in r.source


@pytest.mark.asyncio
async def test_route_content_llm_haiku_fehlt():
    s = build_spec("X", {"verification_method": "CONTENT", "decision_method": "LLM"},
                   label="Speicherdauer", criteria=["Höchstdauer pro Kategorie"])
    fake = AsyncMock(return_value='{"erfuellt": false, "confidence": 0.9, "begruendung": "fehlt"}')
    with patch(_ANTHROPIC, new=fake):
        r = await route_and_check(s, DocContext(text="Wir nutzen Cookies. " * 30))
    assert r.present is False and r.source == "haiku"
    assert fake.call_count >= 1


@pytest.mark.asyncio
async def test_route_content_llm_haiku_erfuellt():
    s = build_spec("X", {"verification_method": "CONTENT", "decision_method": "LLM"},
                   label="L", criteria=["x"])
    fake = AsyncMock(return_value='{"erfuellt": true, "confidence": 0.8}')
    with patch(_ANTHROPIC, new=fake):
        r = await route_and_check(s, DocContext(text="text " * 40))
    assert r.present is True