import pytest
from app.core.config import get_settings
from app.core.exceptions import AppException
from app.services.llm_client import LLMClient


def test_llm_endpoint_supports_openai_v1_base_url(monkeypatch: pytest.MonkeyPatch) -> None:
    get_settings.cache_clear()
    monkeypatch.setenv("RISK_LLM_API_KEY", "test-key")
    monkeypatch.setenv("RISK_LLM_BASE_URL", "https://example.test/v1")
    client = LLMClient()

    assert client.configured
    assert client.endpoint == "https://example.test/v1/chat/completions"
    get_settings.cache_clear()


def test_llm_client_accepts_reference_project_environment(monkeypatch: pytest.MonkeyPatch) -> None:
    get_settings.cache_clear()
    monkeypatch.delenv("RISK_LLM_API_KEY", raising=False)
    monkeypatch.setenv("OPENAI_API_KEY", "reference-key")
    monkeypatch.setenv("LLM_BASE_URL", "https://reference.test/v1")
    monkeypatch.setenv("LLM_MODEL", "reference-model")
    client = LLMClient()

    assert client.configured
    assert client.endpoint == "https://reference.test/v1/chat/completions"
    assert client.model == "reference-model"
    get_settings.cache_clear()


def test_llm_client_parses_json_and_rejects_non_object() -> None:
    parsed = LLMClient._parse_json('```json\n{"intent":"assessment","confidence":0.9}\n```')

    assert parsed["intent"] == "assessment"
    assert parsed["confidence"] == 0.9
    with pytest.raises(AppException):
        LLMClient._parse_json("[]")