"""Tests for script explainer module."""

import pytest
from unittest.mock import Mock, patch

from shellgenius.explainer import ShellExplainer, explain_script, LineExplanation, ScriptExplanation


class TestShellExplainer:
    def test_basic_explanation(self):
        """Test basic script explanation."""
        with patch('shellgenius.explainer.get_ollama_client') as mock_client:
            mock_client.return_value.generate.return_value = {"success": False}
            
            explainer = ShellExplainer()
            result = explainer.explain("echo hello", detailed=False)
            
            assert result.shell_type == "bash"
            assert len(result.line_explanations) >= 1
    
    def test_detect_shell_purpose(self):
        """Test detection of script purpose."""
        with patch('shellgenius.explainer.get_ollama_client') as mock_client:
            mock_client.return_value.generate.return_value = {"success": False}
            
            explainer = ShellExplainer()
            
            git_script = "git clone repo\ngit status"
            result = explainer.explain(git_script, detailed=False)
            
            assert "Git" in result.overall_purpose or "git" in result.overall_purpose.lower()


class TestExplainScript:
    def test_convenience_function(self):
        """Test the convenience function for explaining scripts."""
        with patch('shellgenius.explainer.get_ollama_client') as mock_client:
            mock_client.return_value.generate.return_value = {"success": False}
            
            result = explain_script("echo hello", detailed=False)
            
            assert isinstance(result, ScriptExplanation)
            assert result.shell_type == "bash"