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

namespace CPF.Mac.CoreImage
{
	[Register("CIPlugIn", true)]
	public class CIPlugIn : NSObject
	{
		private static readonly IntPtr selLoadAllPlugInsHandle = Selector.GetHandle("loadAllPlugIns");

		private static readonly IntPtr selLoadNonExecutablePlugInsHandle = Selector.GetHandle("loadNonExecutablePlugIns");

		private static readonly IntPtr selLoadPlugInAllowNonExecutable_Handle = Selector.GetHandle("loadPlugIn:allowNonExecutable:");

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

		public override IntPtr ClassHandle => class_ptr;

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("init")]
		public CIPlugIn()
			: 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 CIPlugIn(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 CIPlugIn(NSObjectFlag t)
			: base(t)
		{
		}

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

		[Export("loadAllPlugIns")]
		public static void LoadAllPlugIns()
		{
			Messaging.void_objc_msgSend(class_ptr, selLoadAllPlugInsHandle);
		}

		[Export("loadNonExecutablePlugIns")]
		public static void LoadNonExecutablePlugIns()
		{
			Messaging.void_objc_msgSend(class_ptr, selLoadNonExecutablePlugInsHandle);
		}

		[Export("loadPlugIn:allowNonExecutable:")]
		public static void LoadPlugIn(NSUrl pluginUrl, bool allowNonExecutable)
		{
			if (pluginUrl == null)
			{
				throw new ArgumentNullException("pluginUrl");
			}
			Messaging.void_objc_msgSend_IntPtr_bool(class_ptr, selLoadPlugInAllowNonExecutable_Handle, pluginUrl.Handle, allowNonExecutable);
		}
	}
}
