using System.Drawing;

namespace Dashboard.Pal
{
    public interface ITextureExtension : IDeviceContextExtension
    {
        ITexture CreateTexture(TextureType type);
    }

    public enum TextureType
    {
        Texture1D,
        Texture2D,
        Texture2DArray,
        Texture2DCube,
        Texture3D,
    }

    public enum TextureFilter
    {
        Nearest,
        Linear,
        NearestMipmapNearest,
        LinearMipmapNearest,
        NearestMipmapLinear,
        LinearMipmapLinear,
        Anisotropic,
    }

    public enum TextureRepeat
    {
        Repeat,
        MirroredRepeat,
        ClampToEdge,
        ClampToBorder,
        MirrorClampToEdge,
    }

    public enum CubeMapFace
    {
        PositiveX,
        PositiveY,
        PositiveZ,
        NegativeX,
        NegativeY,
        NegativeZ,
    }

    public interface ITexture : IDisposable
    {
        public TextureType Type { get; }
        public PixelFormat Format { get; }

        public int Width { get; }
        public int Height { get; }
        public int Depth { get; }
        public int Levels { get; }

        public bool Premultiplied { get; set; }

        public ColorSwizzle Swizzle { get; set; }

        public TextureFilter MinifyFilter { get; set; }

        public TextureFilter MagnifyFilter { get; set; }

        public Color BorderColor { get; set; }

        public TextureRepeat RepeatS { get; set; }

        public TextureRepeat RepeatT { get; set; }

        public TextureRepeat RepeatR { get; set; }
        public int Anisotropy { get; set; }

        void SetStorage(PixelFormat format, int width, int height, int depth, int levels);
        void Read<T>(Span<T> buffer, int level = 0, int align = 0) where T : unmanaged;
        void Write<T>(PixelFormat format, ReadOnlySpan<T> buffer, int level = 0, int align = 4) where T : unmanaged;
        void Premultiply();
        void Unmultiply();
        void GenerateMipmaps();
    }
}