using XCEngine;
using XCEngine.Rendering;

namespace XCEngine.Rendering.Universal
{
    public sealed class RendererCameraRequestContext
    {
        private readonly CameraRenderRequestContext m_requestContext;

        internal RendererCameraRequestContext(
            CameraRenderRequestContext requestContext)
        {
            m_requestContext = requestContext;
        }

        public int renderedBaseCameraCount =>
            m_requestContext != null
                ? m_requestContext.renderedBaseCameraCount
                : 0;

        public int renderedRequestCount =>
            m_requestContext != null
                ? m_requestContext.renderedRequestCount
                : 0;

        public Camera camera =>
            m_requestContext != null
                ? m_requestContext.camera
                : null;

        public int rendererIndex
        {
            get =>
                m_requestContext != null
                    ? m_requestContext.rendererIndex
                    : -1;
            set
            {
                if (m_requestContext != null)
                {
                    m_requestContext.rendererIndex = value;
                }
            }
        }

        public bool hasDirectionalShadow =>
            m_requestContext != null &&
            m_requestContext.hasDirectionalShadow;

        public DirectionalShadowPlanningSettings
            directionalShadowPlanningSettings
        {
            get =>
                m_requestContext != null
                    ? m_requestContext
                        .directionalShadowPlanningSettings
                    : DirectionalShadowPlanningSettings
                        .CreateDefault();
            set
            {
                if (m_requestContext != null)
                {
                    m_requestContext
                        .directionalShadowPlanningSettings =
                            value;
                }
            }
        }

        public void ClearDirectionalShadow()
        {
            if (m_requestContext != null)
            {
                m_requestContext.ClearDirectionalShadow();
            }
        }

        internal CameraRenderRequestContext requestContext =>
            m_requestContext;
    }
}