using System;
using System.Collections.Generic;
using System.Text;
#if IOS || MACCATALYST
using PlatformView = UIKit.IUIMenuBuilder;
#elif MONOANDROID
using PlatformView = Android.Views.View;
#elif WINDOWS
using PlatformView = Microsoft.UI.Xaml.Controls.MenuBar;
#elif TIZEN
using PlatformView = Tizen.NUI.BaseComponents.View;
#elif (NETSTANDARD || !PLATFORM) || (NET6_0_OR_GREATER && !IOS && !ANDROID && !TIZEN)
using PlatformView = System.Object;
#endif
 
namespace Microsoft.Maui.Handlers
{
	public partial class MenuBarHandler : IMenuBarHandler
	{
 
		public static IPropertyMapper<IMenuBar, IMenuBarHandler> Mapper = new PropertyMapper<IMenuBar, IMenuBarHandler>(ElementMapper)
		{
#if WINDOWS
#endif
		};
 
		public static CommandMapper<IMenuBar, IMenuBarHandler> CommandMapper = new(ElementCommandMapper)
		{
			[nameof(IMenuBarHandler.Add)] = MapAdd,
			[nameof(IMenuBarHandler.Remove)] = MapRemove,
			[nameof(IMenuBarHandler.Clear)] = MapClear,
			[nameof(IMenuBarHandler.Insert)] = MapInsert,
		};
 
		public MenuBarHandler() : this(Mapper, CommandMapper)
		{
 
		}
 
		public MenuBarHandler(IPropertyMapper mapper, CommandMapper? commandMapper = null) : base(mapper, commandMapper)
		{
 
		}
 
		public static void MapAdd(IMenuBarHandler handler, IMenuBar layout, object? arg)
		{
			if (arg is MenuBarHandlerUpdate args)
			{
				handler.Add(args.MenuBarItem);
			}
		}
 
		public static void MapRemove(IMenuBarHandler handler, IMenuBar layout, object? arg)
		{
			if (arg is MenuBarHandlerUpdate args)
			{
				handler.Remove(args.MenuBarItem);
			}
		}
 
		public static void MapInsert(IMenuBarHandler handler, IMenuBar layout, object? arg)
		{
			if (arg is MenuBarHandlerUpdate args)
			{
				handler.Insert(args.Index, args.MenuBarItem);
			}
		}
 
		public static void MapClear(IMenuBarHandler handler, IMenuBar layout, object? arg)
		{
			handler.Clear();
		}
 
		IMenuBar IMenuBarHandler.VirtualView => VirtualView;
 
		PlatformView IMenuBarHandler.PlatformView => PlatformView;
 
		private protected override void OnDisconnectHandler(object platformView)
		{
			base.OnDisconnectHandler(platformView);
			foreach (var item in VirtualView)
				item?.Handler?.DisconnectHandler();
		}
	}
}