using System;
 
namespace Microsoft.Maui.Handlers
{
	public abstract partial class ElementHandler<TVirtualView, TPlatformView> : ElementHandler, IElementHandler
		where TVirtualView : class, IElement
		where TPlatformView : class
	{
		[HotReload.OnHotReload]
		internal static void OnHotReload()
		{
		}
 
		protected ElementHandler(IPropertyMapper mapper, CommandMapper? commandMapper = null)
			: base(mapper, commandMapper)
		{
		}
 
		public new TPlatformView PlatformView
		{
			get => (TPlatformView?)base.PlatformView ?? throw new InvalidOperationException($"PlatformView cannot be null here");
			private set => base.PlatformView = value;
		}
 
		public new TVirtualView VirtualView
		{
			get => (TVirtualView?)base.VirtualView ?? throw new InvalidOperationException($"VirtualView cannot be null here");
			private protected set => base.VirtualView = value;
		}
 
		IElement? IElementHandler.VirtualView => base.VirtualView;
 
		object? IElementHandler.PlatformView => base.PlatformView;
 
		protected abstract TPlatformView CreatePlatformElement();
 
		protected virtual void ConnectHandler(TPlatformView platformView)
		{
		}
 
		protected virtual void DisconnectHandler(TPlatformView platformView)
		{
		}
 
		private protected override object OnCreatePlatformElement() =>
			CreatePlatformElement();
 
		private protected override void OnConnectHandler(object platformView) =>
			ConnectHandler((TPlatformView)platformView);
 
		private protected override void OnDisconnectHandler(object platformView) =>
			DisconnectHandler((TPlatformView)platformView);
	}
}