"""
LLM classifier eval — opt-in, costs API calls.

Run before swapping the brain provider or after touching the
classification prompt:

    pytest evals/test_classify_intent.py -m llm

Without the -m llm filter the cases are skipped, so this file is safe
to leave in CI on every commit.
"""

import os
import pytest

from app.ai.agent.agent_hub import classify_intent
from evals.harness import load_cases, make_state


CASES = load_cases("classify_intent.yaml")

pytestmark = [
    pytest.mark.llm,
    pytest.mark.skipif(
        not (os.getenv("DEEPSEEK_API_KEY") or os.getenv("GEMINI_API_KEY") or os.getenv("MIMO_API_KEY")),
        reason="No brain LLM API key set; skipping LLM classifier eval.",
    ),
]


@pytest.mark.parametrize("case", CASES, ids=[c["id"] for c in CASES])
@pytest.mark.asyncio
async def test_classify_intent(case):
    state = make_state(
        user_role=case["user_role"],
        last_user_message=case["message"],
        active_agent=case.get("current_agent"),
    )

    result = await classify_intent(
        message=case["message"],
        state=state,
        current_agent=case.get("current_agent"),
    )

    assert result == case["expected"], (
        f"Case {case['id']!r} expected {case['expected']!r} got {result!r}. "
        f"Message: {case['message']!r}. Note: {case.get('note', '')}"
    )