"""
Test suite for Flask application routes and API endpoints.

This test module validates the main Flask application functionality,
route handling, and API responses.
"""

import unittest
import sys
import os
from unittest.mock import patch, MagicMock

# Add parent directory to path for imports
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))


class TestFlaskApplication(unittest.TestCase):
    """Test class for Flask application and routes."""

    def setUp(self):
        """Set up test fixtures before each test method."""
        pass

    def test_app_imports(self):
        """Test that main app module can be imported without errors."""
        try:
            import app
            self.assertIsNotNone(app)
            print('✓ Main app module imports successfully')
            
        except Exception as e:
            self.fail(f'App import failed: {e}')

    @patch('app.Flask')
    def test_app_initialization_components(self, mock_flask):
        """Test that app initialization components are available."""
        try:
            # Test manager imports
            from keyboard_shortcuts import KeyboardShortcutManager
            from drag_drop import DragDropManager
            from accessibility_features import AccessibilityManager
            from user_preferences import UserPreferencesManager
            
            # Verify managers can be instantiated
            keyboard_manager = KeyboardShortcutManager()
            drag_manager = DragDropManager()
            accessibility_manager = AccessibilityManager()
            preferences_manager = UserPreferencesManager()
            
            self.assertIsNotNone(keyboard_manager)
            self.assertIsNotNone(drag_manager)
            self.assertIsNotNone(accessibility_manager)
            self.assertIsNotNone(preferences_manager)
            
            print('✓ App manager components available')
            
        except Exception as e:
            self.fail(f'App component test failed: {e}')


class TestAPIEndpoints(unittest.TestCase):
    """Test class for API endpoint validation."""

    def test_api_response_structure(self):
        """Test that API endpoints return proper JSON structure."""
        try:
            # Test that we can import the auth module for API responses
            from auth import SessionManager
            
            manager = SessionManager()
            
            # Test login API response structure
            response = manager.login('test_password')
            self.assertIsInstance(response, dict)
            self.assertIn('success', response)
            
            print('✓ API response structure validated')
            
        except Exception as e:
            self.fail(f'API endpoint test failed: {e}')


class TestJavaScriptGeneration(unittest.TestCase):
    """Test class for dynamic JavaScript generation."""

    def test_javascript_generation_no_syntax_errors(self):
        """Test that generated JavaScript doesn't contain Python syntax."""
        try:
            from multi_screen_support import MultiScreenSupportManager
            
            manager = MultiScreenSupportManager()
            js_code = manager.get_multiscreen_js()
            
            # Check for Python-specific syntax that shouldn't be in JS
            self.assertNotIn('True', js_code, 'JavaScript should use "true", not "True"')
            self.assertNotIn('False', js_code, 'JavaScript should use "false", not "False"')
            self.assertNotIn('None', js_code, 'JavaScript should use "null", not "None"')
            
            # Check for proper JSON serialization indicators
            self.assertIn('true', js_code.lower())
            self.assertIn('false', js_code.lower())
            
            print('✓ JavaScript generation syntax validated')
            
        except Exception as e:
            self.fail(f'JavaScript generation test failed: {e}')

    def test_f_string_escaping(self):
        """Test that f-strings are properly escaped in JavaScript generation."""
        try:
            from multi_screen_support import MultiScreenSupportManager
            
            manager = MultiScreenSupportManager()
            js_code = manager.get_multiscreen_js()
            
            # Ensure JavaScript object literals use proper syntax
            # Look for proper JavaScript object/function syntax
            self.assertGreater(len(js_code), 0)
            
            # Check that braces are properly used (not bare Python f-string braces)
            brace_count = js_code.count('{')
            self.assertGreater(brace_count, 0)
            
            print('✓ F-string escaping validated')
            
        except Exception as e:
            self.fail(f'F-string escaping test failed: {e}')


if __name__ == '__main__':
    unittest.main(verbosity=2, buffer=True)