#!/usr/bin/env python3
"""
Tests for GUI Application module
Comprehensive testing of enhanced Tkinter GUI functionality
"""

import pytest
import sys
import os
import unittest
import tkinter as tk
import threading
import time
import json
from unittest.mock import patch, MagicMock, Mock, mock_open
from io import StringIO

# Import the GUI module
from zoom_deep_clean.gui_app import ZoomCleanerGUI


class TestGUIAppInitialization(unittest.TestCase):
    """Test GUI application initialization and setup"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_gui_app_initialization(self, mock_tk):
        """Test GUI application initialization"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify initialization calls
        mock_root.title.assert_called_with(
            "Zoom Deep Clean Enhanced v2.2.0 - by PHLthy215"
        )
        # geometry() gets called for initial size and centering
        self.assertTrue(mock_root.geometry.called)
        mock_root.minsize.assert_called_with(900, 700)

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_setup_styles_called(self, mock_tk):
        """Test that style setup is called during initialization"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify method exists
        self.assertTrue(hasattr(gui, "setup_styles"))

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_setup_variables_called(self, mock_tk):
        """Test that variable setup is called during initialization"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify method exists
        self.assertTrue(hasattr(gui, "setup_variables"))


class TestGUIAppComponents(unittest.TestCase):
    """Test GUI application component creation"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_widget_creation_methods_exist(self, mock_tk):
        """Test that widget creation methods exist"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for expected methods
        expected_methods = [
            "setup_styles",
            "setup_variables",
            "create_widgets",
            "create_toolbar",
            "create_main_content",
            "create_status_bar",
        ]

        for method in expected_methods:
            if hasattr(gui, method):
                self.assertTrue(callable(getattr(gui, method)))

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_advanced_features_integration(self, mock_tk):
        """Test integration with AdvancedFeatures"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Should have reference to advanced features
        # This tests the import and potential usage
        from zoom_deep_clean.gui_app import AdvancedFeatures

        self.assertTrue(AdvancedFeatures is not None)


class TestGUIAppFunctionality(unittest.TestCase):
    """Test GUI application core functionality"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.ZoomDeepCleanerEnhanced")
    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_cleaner_integration(self, mock_tk, mock_cleaner_class):
        """Test integration with ZoomDeepCleanerEnhanced"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify cleaner class is accessible
        self.assertTrue(hasattr(gui, "cleaner") or "cleaner" in dir(gui))

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_threading_capabilities(self, mock_tk):
        """Test GUI threading capabilities"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for thread-related attributes
        thread_attrs = ["is_running", "worker_thread", "thread_lock"]

        for attr in thread_attrs:
            if hasattr(gui, attr):
                # If attribute exists, verify it's properly initialized
                value = getattr(gui, attr)
                if attr == "is_running":
                    self.assertIsInstance(value, bool)


class TestGUIAppEventHandling(unittest.TestCase):
    """Test GUI application event handling"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_button_handlers_exist(self, mock_tk):
        """Test that button event handlers exist"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for common button handlers
        handler_methods = [
            "start_cleanup",
            "cancel_cleanup",
            "open_logs",
            "show_about",
            "export_results",
        ]

        for method in handler_methods:
            if hasattr(gui, method):
                self.assertTrue(callable(getattr(gui, method)))

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_window_event_handlers(self, mock_tk):
        """Test window event handlers"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for window event handlers
        window_handlers = ["on_closing", "on_resize", "on_focus"]

        for handler in window_handlers:
            if hasattr(gui, handler):
                self.assertTrue(callable(getattr(gui, handler)))


class TestGUIAppProgressTracking(unittest.TestCase):
    """Test GUI application progress tracking features"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_progress_methods_exist(self, mock_tk):
        """Test that progress tracking methods exist"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for progress-related methods
        progress_methods = [
            "update_progress",
            "update_status",
            "update_log",
            "show_progress",
            "hide_progress",
        ]

        for method in progress_methods:
            if hasattr(gui, method):
                self.assertTrue(callable(getattr(gui, method)))

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_status_tracking_attributes(self, mock_tk):
        """Test status tracking attributes"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for status-related attributes
        status_attrs = ["current_status", "progress_value", "log_entries"]

        for attr in status_attrs:
            if hasattr(gui, attr):
                # Attribute exists, verify it's properly initialized
                value = getattr(gui, attr)
                self.assertIsNotNone(value)


class TestGUIAppFileOperations(unittest.TestCase):
    """Test GUI application file operation features"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_file_operation_methods(self, mock_tk):
        """Test file operation methods exist"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for file operation methods
        file_methods = [
            "save_log",
            "load_config",
            "save_config",
            "export_report",
            "import_settings",
        ]

        for method in file_methods:
            if hasattr(gui, method):
                self.assertTrue(callable(getattr(gui, method)))

    @patch("zoom_deep_clean.gui_app.webbrowser")
    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_webbrowser_integration(self, mock_tk, mock_webbrowser):
        """Test webbrowser integration for help/links"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify webbrowser module is imported
        self.assertTrue(mock_webbrowser is not None)


class TestGUIAppConfigurationHandling(unittest.TestCase):
    """Test GUI application configuration handling"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.json")
    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_json_handling_capability(self, mock_tk, mock_json):
        """Test JSON handling for configuration"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify json module is imported for config handling
        self.assertTrue(mock_json is not None)

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_configuration_attributes(self, mock_tk):
        """Test configuration-related attributes"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for configuration attributes
        config_attrs = ["settings", "preferences", "config_file"]

        for attr in config_attrs:
            if hasattr(gui, attr):
                # Attribute exists, verify it's accessible
                value = getattr(gui, attr)
                # Just verify we can access it without error


class TestGUIAppErrorHandling(unittest.TestCase):
    """Test GUI application error handling"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_error_handling_methods(self, mock_tk):
        """Test error handling methods exist"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Check for error handling methods
        error_methods = [
            "show_error",
            "handle_exception",
            "log_error",
            "show_warning",
            "show_info",
        ]

        for method in error_methods:
            if hasattr(gui, method):
                self.assertTrue(callable(getattr(gui, method)))

    @patch("zoom_deep_clean.gui_app.messagebox")
    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_messagebox_integration(self, mock_tk, mock_messagebox):
        """Test messagebox integration for user notifications"""
        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        gui = ZoomCleanerGUI()

        # Verify messagebox is imported
        self.assertTrue(mock_messagebox is not None)


class TestGUIAppImports(unittest.TestCase):
    """Test GUI application import handling"""

    def test_required_imports_available(self):
        """Test that all required imports are available"""
        from zoom_deep_clean import gui_app

        # Verify main class exists
        self.assertTrue(hasattr(gui_app, "ZoomCleanerGUI"))

    @patch("zoom_deep_clean.gui_app.sys.exit")
    @patch("builtins.print")
    def test_tkinter_import_error_handling(self, mock_print, mock_exit):
        """Test handling of tkinter import errors"""
        import zoom_deep_clean.gui_app as gui_module

        # Verify the module has error handling structure
        source = open(gui_module.__file__).read()
        self.assertIn("ImportError", source)
        self.assertIn("tkinter not available", source)

    def test_cleaner_integration_import(self):
        """Test cleaner integration imports"""
        from zoom_deep_clean.gui_app import ZoomDeepCleanerEnhanced
        from zoom_deep_clean.gui_app import AdvancedFeatures

        # Verify imports work
        self.assertTrue(ZoomDeepCleanerEnhanced is not None)
        self.assertTrue(AdvancedFeatures is not None)


class TestGUIAppMethodCoverage(unittest.TestCase):
    """Test specific GUI app methods to improve coverage"""

    def setUp(self):
        """Set up test environment"""
        self.test_root = tk.Tk()
        self.test_root.withdraw()

    def tearDown(self):
        """Clean up after tests"""
        try:
            if hasattr(self, "gui") and self.gui:
                self.gui.root.destroy()
        except:
            pass
        try:
            self.test_root.destroy()
        except:
            pass

    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_main_entry_point_success(self, mock_tk):
        """Test main entry point functionality"""
        from zoom_deep_clean.gui_app import main

        mock_root = MagicMock()
        mock_tk.return_value = mock_root

        # Mock the run method to avoid mainloop
        with patch.object(mock_root, "mainloop"):
            # Test that main() can be called without exceptions
            try:
                main()
            except SystemExit:
                pass  # Expected behavior

    @patch("builtins.print")
    @patch("zoom_deep_clean.gui_app.sys.exit")
    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_main_entry_point_exception(self, mock_tk, mock_exit, mock_print):
        """Test main entry point exception handling"""
        from zoom_deep_clean.gui_app import main

        # Make Tk raise an exception
        mock_tk.side_effect = Exception("Test exception")

        # Test exception handling
        main()

        # Verify error handling was called
        mock_print.assert_called()
        mock_exit.assert_called_with(1)

    @patch("builtins.print")
    @patch("zoom_deep_clean.gui_app.sys.exit")
    @patch("zoom_deep_clean.gui_app.tk.Tk")
    def test_main_entry_point_keyboard_interrupt(self, mock_tk, mock_exit, mock_print):
        """Test main entry point keyboard interrupt handling"""
        from zoom_deep_clean.gui_app import main

        # Make Tk raise KeyboardInterrupt
        mock_tk.side_effect = KeyboardInterrupt()

        # Test interrupt handling
        main()

        # Verify interrupt message was printed
        mock_print.assert_called_with("\nApplication interrupted by user")


if __name__ == "__main__":
    unittest.main()
