#!/usr/bin/env python3
"""
VisionSub Enhanced UI Components - Integration Testing Script
专业级前端UI组件集成测试脚本

作者: Agions
版本: 1.0.0
日期: 2025-08-15
"""

import sys
import os
import time
import threading
import traceback
from typing import Dict, List, Any
from PyQt6.QtWidgets import QApplication, QMessageBox, QFileDialog, QVBoxLayout, QWidget, QLabel
from PyQt6.QtCore import Qt, QTimer, QThread, pyqtSignal, QObject
from PyQt6.QtGui import QPixmap, QImage, QColor, QFont
from PyQt6.QtTest import QTest

# 添加项目路径
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))

class IntegrationTestRunner(QObject):
    """集成测试运行器"""
    
    test_progress = pyqtSignal(str)
    test_result = pyqtSignal(str, bool, str)
    test_complete = pyqtSignal()
    
    def __init__(self):
        super().__init__()
        self.app = None
        self.test_results = []
        self.current_test = 0
        self.total_tests = 0
        
    def initialize_application(self):
        """初始化应用程序"""
        self.test_progress.emit("初始化应用程序...")
        
        if QApplication.instance() is None:
            self.app = QApplication(sys.argv)
        
        # 设置应用程序信息
        self.app.setApplicationName("VisionSub Integration Test")
        self.app.setApplicationVersion("1.0.0")
        self.app.setStyle("Fusion")
        
        self.test_progress.emit("应用程序初始化完成")
        return True
    
    def run_all_tests(self):
        """运行所有集成测试"""
        self.test_progress.emit("开始集成测试...")
        
        tests = [
            self.test_ui_component_initialization,
            self.test_theme_system_integration,
            self.test_file_handling_integration,
            self.test_ocr_preview_integration,
            self.test_subtitle_editor_integration,
            self.test_settings_dialog_integration,
            self.test_video_player_integration,
            self.test_main_window_integration,
            self.test_performance_integration,
            self.test_security_integration
        ]
        
        self.total_tests = len(tests)
        
        for i, test_func in enumerate(tests):
            self.current_test = i + 1
            test_name = test_func.__name__.replace("test_", "").replace("_", " ").title()
            self.test_progress.emit(f"运行测试 {self.current_test}/{self.total_tests}: {test_name}")
            
            try:
                result = test_func()
                self.test_result.emit(test_name, result, "测试通过" if result else "测试失败")
            except Exception as e:
                self.test_result.emit(test_name, False, f"测试异常: {str(e)}")
                traceback.print_exc()
        
        self.test_complete.emit()
    
    def test_ui_component_initialization(self):
        """测试UI组件初始化"""
        try:
            from visionsub.ui.enhanced_main_window import EnhancedMainWindow
            from visionsub.ui.enhanced_video_player import EnhancedVideoPlayer
            from visionsub.ui.enhanced_settings_dialog import EnhancedSettingsDialog
            from visionsub.ui.enhanced_ocr_preview import EnhancedOCRPreview
            from visionsub.ui.enhanced_subtitle_editor import EnhancedSubtitleEditor
            
            # 测试主窗口初始化
            mock_controller = MockController()
            main_window = EnhancedMainWindow(mock_controller)
            self.assertIsNotNone(main_window, "主窗口初始化失败")
            main_window.close()
            
            # 测试视频播放器初始化
            video_player = EnhancedVideoPlayer()
            self.assertIsNotNone(video_player, "视频播放器初始化失败")
            video_player.close()
            
            # 测试设置对话框初始化
            settings_dialog = EnhancedSettingsDialog()
            self.assertIsNotNone(settings_dialog, "设置对话框初始化失败")
            settings_dialog.close()
            
            # 测试OCR预览初始化
            ocr_preview = EnhancedOCRPreview()
            self.assertIsNotNone(ocr_preview, "OCR预览初始化失败")
            ocr_preview.close()
            
            # 测试字幕编辑器初始化
            subtitle_editor = EnhancedSubtitleEditor()
            self.assertIsNotNone(subtitle_editor, "字幕编辑器初始化失败")
            subtitle_editor.close()
            
            return True
            
        except Exception as e:
            print(f"UI组件初始化测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_theme_system_integration(self):
        """测试主题系统集成"""
        try:
            from visionsub.ui.enhanced_main_window import EnhancedMainWindow
            
            mock_controller = MockController()
            main_window = EnhancedMainWindow(mock_controller)
            
            # 测试主题切换
            themes = ["light", "dark", "high_contrast"]
            for theme in themes:
                main_window.switch_theme(theme)
                self.assertEqual(main_window.current_theme, theme, f"主题切换失败: {theme}")
            
            main_window.close()
            return True
            
        except Exception as e:
            print(f"主题系统集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_file_handling_integration(self):
        """测试文件处理集成"""
        try:
            from visionsub.ui.enhanced_main_window import EnhancedMainWindow
            
            mock_controller = MockController()
            main_window = EnhancedMainWindow(mock_controller)
            
            # 测试文件验证
            valid_files = ["test.mp4", "video.avi", "movie.mkv"]
            for file_path in valid_files:
                is_valid = main_window.is_valid_video_file(file_path)
                self.assertTrue(is_valid, f"文件验证失败: {file_path}")
            
            # 测试无效文件
            invalid_files = ["test.exe", "script.js", "malware.py"]
            for file_path in invalid_files:
                is_valid = main_window.is_valid_video_file(file_path)
                self.assertFalse(is_valid, f"应该拒绝无效文件: {file_path}")
            
            main_window.close()
            return True
            
        except Exception as e:
            print(f"文件处理集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_ocr_preview_integration(self):
        """测试OCR预览集成"""
        try:
            from visionsub.ui.enhanced_ocr_preview import EnhancedOCRPreview
            
            ocr_preview = EnhancedOCRPreview()
            
            # 测试OCR结果显示
            ocr_results = [
                {"text": "测试文本1", "confidence": 0.95, "bbox": [10, 10, 100, 30]},
                {"text": "测试文本2", "confidence": 0.75, "bbox": [10, 50, 100, 30]},
                {"text": "测试文本3", "confidence": 0.45, "bbox": [10, 90, 100, 30]}
            ]
            
            ocr_preview.display_ocr_results(ocr_results)
            self.assertEqual(len(ocr_preview.ocr_results), 3, "OCR结果显示失败")
            
            # 测试置信度过滤
            ocr_preview.set_confidence_threshold(0.8)
            filtered_results = ocr_preview.get_filtered_results()
            for result in filtered_results:
                self.assertGreaterEqual(result["confidence"], 0.8, "置信度过滤失败")
            
            # 测试搜索功能
            ocr_preview.search_text("测试")
            search_results = ocr_preview.get_search_results()
            self.assertGreater(len(search_results), 0, "搜索功能失败")
            
            ocr_preview.close()
            return True
            
        except Exception as e:
            print(f"OCR预览集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_subtitle_editor_integration(self):
        """测试字幕编辑器集成"""
        try:
            from visionsub.ui.enhanced_subtitle_editor import EnhancedSubtitleEditor
            
            subtitle_editor = EnhancedSubtitleEditor()
            
            # 测试字幕数据加载
            subtitle_data = [
                {"index": 1, "start_time": "00:00:01", "end_time": "00:00:03", "text": "第一句字幕"},
                {"index": 2, "start_time": "00:00:04", "end_time": "00:00:06", "text": "第二句字幕"}
            ]
            
            subtitle_editor.load_subtitles(subtitle_data)
            self.assertEqual(len(subtitle_editor.subtitle_data), 2, "字幕数据加载失败")
            
            # 测试编辑操作
            subtitle_editor.edit_subtitle(0, "text", "修改后的字幕")
            self.assertEqual(subtitle_editor.subtitle_data[0]["text"], "修改后的字幕", "字幕编辑失败")
            
            # 测试撤销/重做
            subtitle_editor.undo()
            subtitle_editor.redo()
            
            subtitle_editor.close()
            return True
            
        except Exception as e:
            print(f"字幕编辑器集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_settings_dialog_integration(self):
        """测试设置对话框集成"""
        try:
            from visionsub.ui.enhanced_settings_dialog import EnhancedSettingsDialog
            
            settings_dialog = EnhancedSettingsDialog()
            
            # 测试设置修改
            test_settings = {
                "theme": "dark",
                "language": "zh-CN",
                "max_file_size": 100,
                "auto_save": True
            }
            
            for key, value in test_settings.items():
                settings_dialog.set_setting(key, value)
                retrieved_value = settings_dialog.get_setting(key)
                self.assertEqual(retrieved_value, value, f"设置修改失败: {key}")
            
            # 测试设置验证
            validation_result = settings_dialog.validate_settings()
            self.assertTrue(validation_result["valid"], "设置验证失败")
            
            settings_dialog.close()
            return True
            
        except Exception as e:
            print(f"设置对话框集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_video_player_integration(self):
        """测试视频播放器集成"""
        try:
            from visionsub.ui.enhanced_video_player import EnhancedVideoPlayer
            
            video_player = EnhancedVideoPlayer()
            
            # 测试播放控制
            self.assertIsNotNone(video_player.findChild(objectName="play_button"), "播放按钮未找到")
            self.assertIsNotNone(video_player.findChild(objectName="progress_bar"), "进度条未找到")
            self.assertIsNotNone(video_player.findChild(objectName="volume_slider"), "音量控制未找到")
            
            # 测试ROI功能
            video_player.enable_roi_selection(True)
            self.assertTrue(video_player.roi_selection_enabled, "ROI选择功能失败")
            
            # 测试缩放功能
            video_player.zoom_in()
            video_player.zoom_out()
            video_player.reset_zoom()
            
            video_player.close()
            return True
            
        except Exception as e:
            print(f"视频播放器集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_main_window_integration(self):
        """测试主窗口集成"""
        try:
            from visionsub.ui.enhanced_main_window import EnhancedMainWindow
            
            mock_controller = MockController()
            main_window = EnhancedMainWindow(mock_controller)
            
            # 测试菜单项
            self.assertIsNotNone(main_window.findChild(objectName="file_menu"), "文件菜单未找到")
            self.assertIsNotNone(main_window.findChild(objectName="edit_menu"), "编辑菜单未找到")
            self.assertIsNotNone(main_window.findChild(objectName="help_menu"), "帮助菜单未找到")
            
            # 测试工具栏
            self.assertIsNotNone(main_window.findChild(objectName="main_toolbar"), "工具栏未找到")
            
            # 测试状态栏
            self.assertIsNotNone(main_window.statusBar(), "状态栏未找到")
            
            # 测试安全状态显示
            main_window.update_security_status("secure")
            
            main_window.close()
            return True
            
        except Exception as e:
            print(f"主窗口集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_performance_integration(self):
        """测试性能集成"""
        try:
            from visionsub.ui.enhanced_main_window import EnhancedMainWindow
            
            mock_controller = MockController()
            main_window = EnhancedMainWindow(mock_controller)
            
            # 测试渲染性能
            start_time = time.time()
            main_window.show()
            main_window.repaint()
            end_time = time.time()
            
            render_time = end_time - start_time
            self.assertLess(render_time, 0.1, f"渲染性能不佳: {render_time:.3f}秒")
            
            # 测试内存使用
            import psutil
            process = psutil.Process()
            memory_info = process.memory_info()
            memory_mb = memory_info.rss / 1024 / 1024
            
            self.assertLess(memory_mb, 200, f"内存使用过高: {memory_mb:.1f}MB")
            
            main_window.close()
            return True
            
        except Exception as e:
            print(f"性能集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def test_security_integration(self):
        """测试安全集成"""
        try:
            from visionsub.ui.enhanced_main_window import EnhancedMainWindow
            
            mock_controller = MockController()
            main_window = EnhancedMainWindow(mock_controller)
            
            # 测试输入净化
            malicious_input = "<script>alert('xss')</script>"
            sanitized = main_window.sanitize_input(malicious_input)
            self.assertNotIn("<script>", sanitized, "输入净化失败")
            
            # 测试路径遍历保护
            malicious_paths = ["../../../etc/passwd", "..\\..\\..\\windows\\system32"]
            for path in malicious_paths:
                is_safe = main_window.is_safe_path(path)
                self.assertFalse(is_safe, f"路径遍历保护失败: {path}")
            
            main_window.close()
            return True
            
        except Exception as e:
            print(f"安全集成测试失败: {e}")
            traceback.print_exc()
            return False
    
    def assertNotNone(self, obj, message=""):
        """断言对象不为None"""
        if obj is None:
            raise AssertionError(message)
    
    def assertEqual(self, actual, expected, message=""):
        """断言相等"""
        if actual != expected:
            raise AssertionError(f"{message}: 期望 {expected}, 实际 {actual}")
    
    def assertTrue(self, condition, message=""):
        """断言为真"""
        if not condition:
            raise AssertionError(message)
    
    def assertFalse(self, condition, message=""):
        """断言为假"""
        if condition:
            raise AssertionError(message)
    
    def assertGreater(self, a, b, message=""):
        """断言大于"""
        if not a > b:
            raise AssertionError(f"{message}: 期望 {a} > {b}")
    
    def assertLess(self, a, b, message=""):
        """断言小于"""
        if not a < b:
            raise AssertionError(f"{message}: 期望 {a} < {b}")
    
    def assertGreaterEqual(self, a, b, message=""):
        """断言大于等于"""
        if not a >= b:
            raise AssertionError(f"{message}: 期望 {a} >= {b}")
    
    def assertNotIn(self, member, container, message=""):
        """断言不包含"""
        if member in container:
            raise AssertionError(f"{message}: {member} 在 {container} 中")


class MockController:
    """模拟控制器"""
    
    def process_video(self, file_path):
        """模拟视频处理"""
        return True
    
    def export_subtitles(self, format_type):
        """模拟字幕导出"""
        return True
    
    def get_settings(self):
        """模拟获取设置"""
        return {
            "theme": "light",
            "language": "zh-CN",
            "max_file_size": 100
        }
    
    def update_settings(self, settings):
        """模拟更新设置"""
        return True


class TestResultWidget(QWidget):
    """测试结果展示组件"""
    
    def __init__(self):
        super().__init__()
        self.init_ui()
    
    def init_ui(self):
        """初始化UI"""
        layout = QVBoxLayout()
        
        self.title_label = QLabel("集成测试结果")
        self.title_label.setFont(QFont("Arial", 16, QFont.Weight.Bold))
        layout.addWidget(self.title_label)
        
        self.results_label = QLabel("等待测试开始...")
        layout.addWidget(self.results_label)
        
        self.progress_label = QLabel("进度: 0/0")
        layout.addWidget(self.progress_label)
        
        self.setLayout(layout)
        self.setWindowTitle("VisionSub 集成测试")
        self.resize(600, 400)
    
    def update_progress(self, message):
        """更新进度"""
        self.progress_label.setText(f"进度: {message}")
    
    def add_test_result(self, test_name, success, details):
        """添加测试结果"""
        status = "✅ 通过" if success else "❌ 失败"
        current_text = self.results_label.text()
        new_text = f"{current_text}\n{status} {test_name}: {details}"
        self.results_label.setText(new_text)
    
    def testing_complete(self):
        """测试完成"""
        self.progress_label.setText("测试完成！")


def main():
    """主函数"""
    app = QApplication(sys.argv)
    
    # 创建测试结果窗口
    result_widget = TestResultWidget()
    result_widget.show()
    
    # 创建测试运行器
    test_runner = IntegrationTestRunner()
    
    # 连接信号
    test_runner.test_progress.connect(result_widget.update_progress)
    test_runner.test_result.connect(result_widget.add_test_result)
    test_runner.test_complete.connect(result_widget.testing_complete)
    
    # 初始化并运行测试
    if test_runner.initialize_application():
        # 在单独的线程中运行测试
        test_thread = threading.Thread(target=test_runner.run_all_tests)
        test_thread.daemon = True
        test_thread.start()
        
        # 运行应用程序
        sys.exit(app.exec())
    else:
        print("应用程序初始化失败")
        sys.exit(1)


if __name__ == "__main__":
    main()