using libsecondlife;
using libsecondlife.Packets;

namespace OpenSim.Framework.Types
{
    public enum ProfileShape : byte
    {
        Circle = 0,
        Square = 1,
        IsometricTriangle = 2,
        EquilateralTriangle = 3,
        RightTriangle = 4,
        HalfCircle = 5
    }
    
    public enum HollowShape : byte
    {
        Same = 0,
        // Fill in...
    }

    public class PrimitiveBaseShape
    {
        private static byte[] m_defaultTextureEntry;
        
        public byte PCode;
        public ushort PathBegin;
        public ushort PathEnd;
        public byte PathScaleX;
        public byte PathScaleY;
        public byte PathShearX;
        public byte PathShearY;
        public sbyte PathSkew;
        public ushort ProfileBegin;
        public ushort ProfileEnd;
        public LLVector3 Scale;
        public byte PathCurve;
        public byte ProfileCurve;
        public ushort ProfileHollow;
        public sbyte PathRadiusOffset;
        public byte PathRevolutions;
        public sbyte PathTaperX;
        public sbyte PathTaperY;
        public sbyte PathTwist;
        public sbyte PathTwistBegin;
        public byte[] TextureEntry; // a LL textureEntry in byte[] format
        public byte[] ExtraParams;

        public ProfileShape ProfileShape
        {
            get
            {
                return (ProfileShape)(ProfileCurve & 0xf);
            }
            set
            {
                byte oldValueMasked = (byte)(ProfileCurve & 0xf0);
                ProfileCurve = (byte)(oldValueMasked | (byte)value);
            }
        }

        public HollowShape HoleShape
        {
            get
            {
                return (HollowShape)(ProfileHollow & 0xf0);
            }
            set
            {
                byte oldValueMasked = (byte)(ProfileHollow & 0xf0);
                ProfileHollow = (byte)(oldValueMasked | (byte)value);
            }
        }

        public LLVector3 PrimScale
        {
            get
            {
                return this.Scale;
            }
        }

        static PrimitiveBaseShape()
        {
            m_defaultTextureEntry = new LLObject.TextureEntry(new LLUUID("00000000-0000-0000-9999-000000000005")).ToBytes();
        }
        
        public PrimitiveBaseShape()
        {
            ExtraParams = new byte[1];
            TextureEntry = m_defaultTextureEntry;
        }
        
        //void returns need to change of course
        public virtual void GetMesh()
        {

        }

        public PrimitiveBaseShape Copy()
        {
            return (PrimitiveBaseShape)this.MemberwiseClone();
        }
    }

    public class GenericShape : PrimitiveBaseShape
    {        
        public GenericShape() : base()
        {
            
        }                       
    }
    
    public class BoxShape : PrimitiveBaseShape
    {
        public BoxShape() : base()
        {
            PathCurve = 16;
            ProfileShape = ProfileShape.Square;
            PCode = 9;
            PathScaleX = 100;
            PathScaleY = 100;
        }
        
        public void SetSide( float side )
        {
            Scale = new LLVector3( side, side, side );
        }

        public static BoxShape Default
        {
            get
            {
                BoxShape boxShape = new BoxShape();

                boxShape.SetSide( 0.5f );
                
                return boxShape;
            }
        }
    }
}