using System;
using System.Collections.Generic;
using Sicentury.Core;

namespace MECF.Framework.Common.Account.Extends
{
	/// <summary>
	/// 
	/// </summary>
	[Serializable]
	public class AppMenu : BindableBase
	{
		#region Variables

		private string _menuID;
		private string _menuViewModel;
		private string _resKey;
		private string _system;
		private int _permission;
		private AppMenu _parent;
		private List<AppMenu> _subMenus;
		private bool _selected;
		private bool _isAlarm;
		private string _alarmModule;
		private string _description;

		#endregion
		
		#region Constructors

		public AppMenu()
		{
		}

		public AppMenu(string menuID, string menuViewModel, string resKey, List<AppMenu> subMenus, string description = "")
		{
			_menuID = menuID;
			_menuViewModel = menuViewModel;
			_resKey = resKey;
			_subMenus = subMenus;
			_description = description;
		}


		#endregion

		#region Properties

		public string MenuID
		{
			get => _menuID;
			set => _menuID = value;
		}

        public string ResKey
		{
			get => _resKey;
			set => _resKey = value;
		}

		public List<AppMenu> MenuItems
		{
			get => _subMenus;
			set => _subMenus = value;
		}

		public string ViewModel
		{
			get => _menuViewModel;
			set => _menuViewModel = value;
		}

		public int Permission
		{
			get => _permission;
			set => _permission = value;
		}

		public string System
		{
			get => _system;
			set => _system = value;
		}

		/// <summary>
		/// 设置或返回当前菜单的父菜单。
		/// </summary>
		public AppMenu Parent
		{
			get => _parent;
			set => _parent = value;
		}

		/// <summary>
		/// 设置或返回当前菜单是否被选中。
		/// </summary>
		public bool Selected
		{
			get => _selected;
			set => Set(ref _selected, value);
		}

		/// <summary>
		/// 设置或返回是否在当前菜单是否有报警。
		/// </summary>
		public bool IsAlarm
		{
			get => _isAlarm;
			set => Set(ref _isAlarm, value);
		}

		/// <summary>
		/// 设置或返回报警模组。
		/// </summary>
		public string AlarmModule
		{
			get => _alarmModule;
			set => Set(ref _alarmModule, value);
		}

		public object Model { get; set; }

		/// <summary>
		/// 设置或返回被选中的子菜单。
		/// </summary>
		public AppMenu LastSelectedSubMenu { get; set; }

		/// <summary>
		/// 返回当前菜单的描述。
		/// </summary>
		public string Description
		{
			get => _description;
			set => _description = value;
		}
		
		#endregion

		#region Methods

		public object Clone(AppMenu parent)
		{
			var appMenu = new AppMenu();
			appMenu.MenuID = MenuID;
			appMenu.ResKey = ResKey;
			appMenu.ViewModel = ViewModel;
			appMenu.Permission = Permission;
			appMenu.Selected = Selected;
			appMenu.System = System;
			appMenu.Parent = parent;
			appMenu.IsAlarm = IsAlarm;
			appMenu.AlarmModule = AlarmModule;
			appMenu.Description = Description;
			if (MenuItems != null)
			{
				appMenu.MenuItems = new List<AppMenu>();
				foreach (var menuItem in MenuItems)
				{
					appMenu.MenuItems.Add((AppMenu)menuItem.Clone(appMenu));
				}
			}

			return appMenu;
		}

		#endregion

		/*public event PropertyChangedEventHandler PropertyChanged;

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

		protected bool Set<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
		{
			if (EqualityComparer<T>.Default.Equals(field, value)) return false;
			field = value;
			OnPropertyChanged(propertyName);
			return true;
		}*/
	}
}