"""Tests for configuration module."""

import pytest
import tempfile
import os
from pathlib import Path

from shellgenius.config import Config, get_config


class TestConfig:
    def test_default_config(self):
        """Test default configuration values."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.yaml', delete=False) as f:
            f.write("")
            f.flush()
            
            config = Config(f.name)
            
            assert config.get("ollama.host") == "localhost:11434"
            assert config.get("ollama.model") == "codellama"
            assert config.get("safety.level") == "moderate"
            
            os.unlink(f.name)
    
    def test_get_nested_value(self):
        """Test getting nested configuration values."""
        config = Config()
        
        assert config.get("ollama.host") is not None
        assert config.get("nonexistent.key", "default") == "default"
    
    def test_environment_override(self):
        """Test environment variable overrides."""
        os.environ["OLLAMA_MODEL"] = "custom-model"
        
        config = Config()
        assert config.ollama_model == "custom-model"
        
        del os.environ["OLLAMA_MODEL"]
    
    def test_ollama_properties(self):
        """Test Ollama configuration properties."""
        config = Config()
        
        assert "localhost" in config.ollama_host
        assert config.ollama_model in ["codellama", "llama2", "mistral"]
        assert config.safety_level in ["strict", "moderate", "permissive"]