using HandyControl.Controls;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows;
using System.Reflection;

namespace Models.Editor
{
    public class EnumPropertyEditor : PropertyEditorBase
    {
        // 重写对应的控件构建类，用于返回UI需要显示的控件实例
        public override FrameworkElement CreateElement(PropertyItem propertyItem)
        {
            // 初始化 propertyItem.Value，防止为 null
            if (propertyItem.Value == null)
            {
                throw new ArgumentException("PropertyItem.Value cannot be null.");
            }

            PropertyInfo property = (propertyItem.Value as SystemConfigPropertyGridDemoModel).GetType().GetProperty(propertyItem.PropertyName);

            var range = property.GetValue(propertyItem.Value as SystemConfigPropertyGridDemoModel);


            var enumType = range.GetType();

            // 创建 ComboBox
            var comboBox = new System.Windows.Controls.ComboBox
            {
                Margin = new Thickness(2),
                VerticalAlignment = VerticalAlignment.Center
            };

            // 将枚举值添加到 ComboBox
            foreach (var enumValue in Status.GetValues(enumType))
            {
                var enumMember = enumType.GetMember(enumValue.ToString()).FirstOrDefault();
                var description = enumMember?.GetCustomAttributes(typeof(System.ComponentModel.DescriptionAttribute), false)
                    .Cast<System.ComponentModel.DescriptionAttribute>()
                    .FirstOrDefault()?.Description ?? enumValue.ToString();

                comboBox.Items.Add(new ComboBoxItem
                {
                    Content = description,
                    Tag = enumValue
                });
            }

            // 设置 ComboBox 的选中值
            comboBox.SelectedValuePath = "Tag";
            comboBox.SelectedItem = comboBox.Items
                .Cast<ComboBoxItem>()
                .FirstOrDefault(item => item.Tag.Equals(propertyItem.Value));

            // 绑定选中的值到属性
            var binding = new Binding("SelectedValue")
            {
                Source = comboBox,
                Mode = BindingMode.TwoWay,
                UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
            };
            comboBox.SetBinding(System.Windows.Controls.ComboBox.SelectedValueProperty, binding);

            return comboBox;
        }

        // 设置对应实体属性与控件关联的依赖属性
        public override DependencyProperty GetDependencyProperty()
        {
            // 返回枚举属性的 DependencyProperty，表示默认绑定属性
            return System.Windows.Controls.ComboBox.SelectedValueProperty;
        }
    }
}

public enum Status
{
    [Description("正在处理")]
    Processing,

    [Description("已完成")]
    Completed,

    [Description("已取消")]
    Canceled
}