using MaterialDesignThemes.Wpf;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace SamplePreSystem.UI.ViewModel.ConfigManager
{
    public class TreeItemModel : INotifyPropertyChanged
    {
        public bool IsUpdate = true;

        private bool _isChecked;
        public bool IsChecked
        {
            get { return _isChecked; }
            set
            {
                _isChecked = value;

                OnPropertyChanged();

                if (Children.Count > 0)
                {
                    SetChildrenCheck(value);                  
                }
                else
                {
                    //if (Parent != null) Parent.IsChecked = value;
                }
            }
        }

        public int Id { get; set; }
        public string Name { get; set; }
        

        // 父节点改变子节点
        private void SetChildrenCheck(bool isChecked)
        {
            foreach (var child in Children)
            {
                child.IsChecked = isChecked;
            }
           
        }

        // 子节点改变后，更新父节点状态
        private void UpdateParentState(bool isChecked)
        {
            if (Parent == null) return;

            //bool anyChecked = Parent.Children.Any(x => x.IsChecked);
            Parent.IsChecked = isChecked;
        }



        // 子节点
        public List<TreeItemModel> Children { get; set; } = new List<TreeItemModel>();

        // 父节点（用于联动）
        public TreeItemModel Parent { get; set; }

        public PackIconKind IconKind { get; set; }

        public event PropertyChangedEventHandler PropertyChanged;
        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }




    }
}