"""
刷新相机设备按钮修复工具

此文件包含修复相机设备刷新按钮的工具函数
"""

import logging
from PySide6.QtWidgets import QPushButton

def fix_camera_refresh_button(settings_widget):
    """
    修复相机设置中的刷新设备按钮
    
    Args:
        settings_widget: 设置窗口实例
    
    Returns:
        bool: 是否成功修复
    """
    try:
        logging.info("尝试修复相机刷新设备按钮...")
        
        # 检查是否存在相机设置组件
        if not hasattr(settings_widget, 'camera_settings'):
            logging.error("设置窗口中没有camera_settings属性")
            return False
            
        # 检查是否存在刷新按钮
        if hasattr(settings_widget, 'refresh_button'):
            refresh_button = settings_widget.refresh_button
            logging.info(f"在settings_widget中找到刷新按钮: {refresh_button}")
        else:
            # 尝试查找刷新按钮
            refresh_button = None
            # 方法1: 直接在camera_tab中查找
            if hasattr(settings_widget, 'camera_tab'):
                for child in settings_widget.camera_tab.findChildren(QPushButton):
                    if child.text() == "刷新设备":
                        refresh_button = child
                        logging.info(f"在camera_tab中找到刷新按钮: {refresh_button}")
                        break
            
            # 方法2: 在camera_settings中查找
            if refresh_button is None and hasattr(settings_widget.camera_settings, 'refresh_button'):
                refresh_button = settings_widget.camera_settings.refresh_button
                logging.info(f"在camera_settings中找到刷新按钮: {refresh_button}")
        
        # 如果找到了刷新按钮，则绑定事件
        if refresh_button:
            # 断开所有现有连接
            try:
                refresh_button.clicked.disconnect()
            except:
                pass
                
            # 连接到refresh_devices方法
            refresh_button.clicked.connect(settings_widget.camera_settings.refresh_devices)
            logging.info("成功绑定刷新按钮到refresh_devices方法")
            
            # 测试调用一次
            try:
                settings_widget.camera_settings.refresh_devices()
                logging.info("已手动调用refresh_devices方法初始化设备列表")
            except Exception as e:
                logging.error(f"调用refresh_devices失败: {str(e)}")
            
            return True
        else:
            logging.error("未找到刷新设备按钮")
            return False
            
    except Exception as e:
        logging.error(f"修复相机刷新按钮时发生错误: {str(e)}")
        import traceback
        logging.error(traceback.format_exc())
        return False