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

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

		private static readonly IntPtr selXHandle = Selector.GetHandle("X");

		private static readonly IntPtr selYHandle = Selector.GetHandle("Y");

		private static readonly IntPtr selZHandle = Selector.GetHandle("Z");

		private static readonly IntPtr selWHandle = Selector.GetHandle("W");

		private static readonly IntPtr selVectorWithValuesCount_Handle = Selector.GetHandle("vectorWithValues:count:");

		private static readonly IntPtr selVectorWithX_Handle = Selector.GetHandle("vectorWithX:");

		private static readonly IntPtr selVectorWithXY_Handle = Selector.GetHandle("vectorWithX:Y:");

		private static readonly IntPtr selVectorWithXYZ_Handle = Selector.GetHandle("vectorWithX:Y:Z:");

		private static readonly IntPtr selVectorWithXYZW_Handle = Selector.GetHandle("vectorWithX:Y:Z:W:");

		private static readonly IntPtr selVectorWithString_Handle = Selector.GetHandle("vectorWithString:");

		private static readonly IntPtr selInitWithValuesCount_Handle = Selector.GetHandle("initWithValues:count:");

		private static readonly IntPtr selInitWithX_Handle = Selector.GetHandle("initWithX:");

		private static readonly IntPtr selInitWithXY_Handle = Selector.GetHandle("initWithX:Y:");

		private static readonly IntPtr selInitWithXYZ_Handle = Selector.GetHandle("initWithX:Y:Z:");

		private static readonly IntPtr selInitWithXYZW_Handle = Selector.GetHandle("initWithX:Y:Z:W:");

		private static readonly IntPtr selInitWithString_Handle = Selector.GetHandle("initWithString:");

		private static readonly IntPtr selValueAtIndex_Handle = Selector.GetHandle("valueAtIndex:");

		private static readonly IntPtr selStringRepresentationHandle = Selector.GetHandle("stringRepresentation");

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

		private double this[int index] => ValueAtIndex(index);

		public override IntPtr ClassHandle => class_ptr;

		public virtual int Count
		{
			[Export("count")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.int_objc_msgSend(base.Handle, selCountHandle);
				}
				return Messaging.int_objc_msgSendSuper(base.SuperHandle, selCountHandle);
			}
		}

		public virtual double X
		{
			[Export("X")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.Double_objc_msgSend(base.Handle, selXHandle);
				}
				return Messaging.Double_objc_msgSendSuper(base.SuperHandle, selXHandle);
			}
		}

		public virtual double Y
		{
			[Export("Y")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.Double_objc_msgSend(base.Handle, selYHandle);
				}
				return Messaging.Double_objc_msgSendSuper(base.SuperHandle, selYHandle);
			}
		}

		public virtual double Z
		{
			[Export("Z")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.Double_objc_msgSend(base.Handle, selZHandle);
				}
				return Messaging.Double_objc_msgSendSuper(base.SuperHandle, selZHandle);
			}
		}

		public virtual double W
		{
			[Export("W")]
			get
			{
				if (IsDirectBinding)
				{
					return Messaging.Double_objc_msgSend(base.Handle, selWHandle);
				}
				return Messaging.Double_objc_msgSendSuper(base.SuperHandle, selWHandle);
			}
		}

		private unsafe static IntPtr GetPtr(double[] values)
		{
			if (values == null)
			{
				throw new ArgumentNullException("values");
			}
			fixed (double* value = &values[0])
			{
				return (IntPtr)(void*)value;
			}
		}

		public CIVector(double[] values)
			: this(GetPtr(values), values.Length)
		{
		}

		public unsafe static CIVector FromValues(double[] values)
		{
			if (values == null)
			{
				throw new ArgumentNullException("values");
			}
			fixed (double* value = &values[0])
			{
				return _FromValues((IntPtr)(void*)value, values.Length);
			}
		}

		public override string ToString()
		{
			return StringRepresentation();
		}

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

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

		[Export("vectorWithValues:count:")]
		internal static CIVector _FromValues(IntPtr values, long count)
		{
			return (CIVector)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr_Int64(class_ptr, selVectorWithValuesCount_Handle, values, count));
		}

		[Export("vectorWithX:")]
		public static CIVector Create(double x)
		{
			return (CIVector)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_Double(class_ptr, selVectorWithX_Handle, x));
		}

		[Export("vectorWithX:Y:")]
		public static CIVector Create(double x, double y)
		{
			return (CIVector)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_Double_Double(class_ptr, selVectorWithXY_Handle, x, y));
		}

		[Export("vectorWithX:Y:Z:")]
		public static CIVector Create(double x, double y, double z)
		{
			return (CIVector)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_Double_Double_Double(class_ptr, selVectorWithXYZ_Handle, x, y, z));
		}

		[Export("vectorWithX:Y:Z:W:")]
		public static CIVector Create(double x, double y, double z, double w)
		{
			return (CIVector)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_Double_Double_Double_Double(class_ptr, selVectorWithXYZW_Handle, x, y, z, w));
		}

		[Export("vectorWithString:")]
		public static CIVector FromString(string representation)
		{
			if (representation == null)
			{
				throw new ArgumentNullException("representation");
			}
			IntPtr intPtr = NSString.CreateNative(representation);
			CIVector result = (CIVector)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selVectorWithString_Handle, intPtr));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		[Export("initWithValues:count:")]
		internal CIVector(IntPtr values, long count)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr_Int64(base.Handle, selInitWithValuesCount_Handle, values, count);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr_Int64(base.SuperHandle, selInitWithValuesCount_Handle, values, count);
			}
		}

		[Export("initWithX:")]
		public CIVector(double x)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_Double(base.Handle, selInitWithX_Handle, x);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_Double(base.SuperHandle, selInitWithX_Handle, x);
			}
		}

		[Export("initWithX:Y:")]
		public CIVector(double x, double y)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_Double_Double(base.Handle, selInitWithXY_Handle, x, y);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_Double_Double(base.SuperHandle, selInitWithXY_Handle, x, y);
			}
		}

		[Export("initWithX:Y:Z:")]
		public CIVector(double x, double y, double z)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_Double_Double_Double(base.Handle, selInitWithXYZ_Handle, x, y, z);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_Double_Double_Double(base.SuperHandle, selInitWithXYZ_Handle, x, y, z);
			}
		}

		[Export("initWithX:Y:Z:W:")]
		public CIVector(double x, double y, double z, double w)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_Double_Double_Double_Double(base.Handle, selInitWithXYZW_Handle, x, y, z, w);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_Double_Double_Double_Double(base.SuperHandle, selInitWithXYZW_Handle, x, y, z, w);
			}
		}

		[Export("initWithString:")]
		public CIVector(string representation)
			: base(NSObjectFlag.Empty)
		{
			if (representation == null)
			{
				throw new ArgumentNullException("representation");
			}
			IntPtr intPtr = NSString.CreateNative(representation);
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr(base.Handle, selInitWithString_Handle, intPtr);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr(base.SuperHandle, selInitWithString_Handle, intPtr);
			}
			NSString.ReleaseNative(intPtr);
		}

		[Export("valueAtIndex:")]
		internal virtual double ValueAtIndex(long index)
		{
			if (IsDirectBinding)
			{
				return Messaging.Double_objc_msgSend_Int64(base.Handle, selValueAtIndex_Handle, index);
			}
			return Messaging.Double_objc_msgSendSuper_Int64(base.SuperHandle, selValueAtIndex_Handle, index);
		}

		[Export("stringRepresentation")]
		internal virtual string StringRepresentation()
		{
			if (IsDirectBinding)
			{
				return NSString.FromHandle(Messaging.IntPtr_objc_msgSend(base.Handle, selStringRepresentationHandle));
			}
			return NSString.FromHandle(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selStringRepresentationHandle));
		}
	}
}