"""Tests for configuration."""

import pytest
from src.utils import Config, LLMProvider


def test_config_default_provider():
    """Test default provider is mock."""
    cfg = Config()
    assert cfg.llm_provider == LLMProvider.MOCK


def test_config_model_name():
    """Test model name selection."""
    cfg = Config()
    cfg.llm_provider = LLMProvider.OPENAI
    assert "gpt" in cfg.model_name.lower()

    cfg.llm_provider = LLMProvider.LOCAL
    assert "mistral" in cfg.model_name.lower()


def test_config_validate_openai_missing_key():
    """Test validation fails for OpenAI without API key."""
    cfg = Config()
    cfg.llm_provider = LLMProvider.OPENAI
    cfg.openai_api_key = None

    with pytest.raises(ValueError, match="OPENAI_API_KEY"):
        cfg.validate()


def test_config_validate_success():
    """Test validation passes with correct config."""
    cfg = Config()
    cfg.llm_provider = LLMProvider.MOCK
    cfg.validate()  # Should not raise