namespace XCEngine.Rendering
{
    public sealed class RenderSceneSetupContext
    {
        private readonly ulong m_nativeHandle;

        internal RenderSceneSetupContext(ulong nativeHandle)
        {
            m_nativeHandle = nativeHandle;
        }

        public int rendererIndex =>
            InternalCalls
                .Rendering_RenderSceneSetupContext_GetRendererIndex(
                    m_nativeHandle);

        public Camera camera
        {
            get
            {
                ulong cameraGameObjectUUID =
                    InternalCalls
                        .Rendering_RenderSceneSetupContext_GetCameraGameObjectUUID(
                            m_nativeHandle);
                if (cameraGameObjectUUID == 0)
                {
                    return null;
                }

                GameObject gameObject =
                    new GameObject(cameraGameObjectUUID);
                return gameObject.GetComponent<Camera>();
            }
        }

        public bool isConfigured =>
            InternalCalls
                .Rendering_RenderSceneSetupContext_GetIsConfigured(
                    m_nativeHandle);

        public RenderClearFlags clearFlags =>
            (RenderClearFlags)InternalCalls
                .Rendering_RenderSceneSetupContext_GetClearFlags(
                    m_nativeHandle);

        public bool hasMainSceneDepthAttachment =>
            InternalCalls
                .Rendering_RenderSceneSetupContext_GetHasMainSceneDepthAttachment(
                    m_nativeHandle);

        public bool hasMainDirectionalShadow =>
            InternalCalls
                .Rendering_RenderSceneSetupContext_GetHasMainDirectionalShadow(
                    m_nativeHandle);

        public void SetEnvironmentNone()
        {
            InternalCalls
                .Rendering_RenderSceneSetupContext_SetEnvironmentNone(
                    m_nativeHandle);
        }

        public bool UseCameraSkyboxMaterial()
        {
            return InternalCalls
                .Rendering_RenderSceneSetupContext_UseCameraSkyboxMaterial(
                    m_nativeHandle);
        }

        public void SetProceduralSkybox(
            Color topColor,
            Color horizonColor,
            Color bottomColor)
        {
            InternalCalls
                .Rendering_RenderSceneSetupContext_SetProceduralSkybox(
                    m_nativeHandle,
                    ref topColor,
                    ref horizonColor,
                    ref bottomColor);
        }

        public void ClearGlobalShaderKeywords()
        {
            InternalCalls
                .Rendering_RenderSceneSetupContext_ClearGlobalShaderKeywords(
                    m_nativeHandle);
        }

        public void SetGlobalShaderKeyword(
            string keyword,
            bool enabled)
        {
            InternalCalls
                .Rendering_RenderSceneSetupContext_SetGlobalShaderKeyword(
                    m_nativeHandle,
                    keyword ?? string.Empty,
                    enabled);
        }

        internal ulong nativeHandle =>
            m_nativeHandle;
    }
}