using CPF.Mac.ObjCRuntime;
using System;
using System.ComponentModel;

namespace CPF.Mac.Foundation
{
	[Register("NSEnumerator", true)]
	public class NSEnumerator : NSObject
	{
		private static readonly IntPtr selNextObjectHandle = Selector.GetHandle("nextObject");

		private static readonly IntPtr class_ptr = Class.GetHandle("NSEnumerator");

		public override IntPtr ClassHandle => class_ptr;

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("init")]
		public NSEnumerator()
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend(base.Handle, Selector.Init);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, Selector.Init);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("initWithCoder:")]
		public NSEnumerator(NSCoder coder)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr(base.Handle, Selector.InitWithCoder, coder.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr(base.SuperHandle, Selector.InitWithCoder, coder.Handle);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public NSEnumerator(NSObjectFlag t)
			: base(t)
		{
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public NSEnumerator(IntPtr handle)
			: base(handle)
		{
		}

		[Export("nextObject")]
		public virtual NSObject NextObject()
		{
			if (IsDirectBinding)
			{
				return Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selNextObjectHandle));
			}
			return Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selNextObjectHandle));
		}
	}
}
