using XCEngine;

namespace XCEngine.Rendering
{
    public sealed class CommandBuffer
    {
        public CommandBuffer()
            : this(string.Empty)
        {
        }

        public CommandBuffer(
            string name)
            : this(
                name,
                0ul)
        {
        }

        internal CommandBuffer(
            string name,
            ulong nativeHandle)
        {
            this.name = name ?? string.Empty;
            m_nativeHandle = nativeHandle;
        }

        public string name { get; set; }

        public bool isValid => m_nativeHandle != 0ul;

        public bool ClearRenderTarget(
            Color color)
        {
            return m_nativeHandle != 0ul &&
                   InternalCalls.Rendering_CommandBuffer_ClearRenderTarget(
                       m_nativeHandle,
                       ref color);
        }

        public bool DrawRendererList(
            RendererListHandle rendererList)
        {
            return m_nativeHandle != 0ul &&
                   rendererList.isValid &&
                   InternalCalls.Rendering_CommandBuffer_DrawRendererList(
                       m_nativeHandle,
                       rendererList.nativeIndex);
        }

        public bool DrawSkybox()
        {
            return m_nativeHandle != 0ul &&
                   InternalCalls.Rendering_CommandBuffer_DrawSkybox(
                       m_nativeHandle);
        }

        private readonly ulong m_nativeHandle;
    }
}