using System.Collections.Generic;

using Bentley.DgnPlatformNET;
using Bentley.DgnPlatformNET.Elements;
using Bentley.GeometryNET;

namespace Mstn.Toolkit.Extensions
{
    public class CurveProcessor : ElementGraphicsProcessor
    {
        private IList<CurveVector> m_outputCurve;
        private DTransform3d m_currentTransform;
        public CurveProcessor(ref IList<CurveVector> outputCurve)
        {
            m_outputCurve = outputCurve;
            m_currentTransform = DTransform3d.Identity;
        }

        public override bool ProcessAsBody(bool isCurved)
        {
            return false;
        }

        public override bool ProcessAsFacets(bool isPolyface)
        {
            return false;
        }

        public override BentleyStatus ProcessCurveVector(CurveVector curves, bool isFilled = false)
        {
            CurveVector cvs = curves.Clone();
            cvs.Transform(m_currentTransform);
            m_outputCurve.Add(cvs);
            return BentleyStatus.Success;
        }

        public void Process(Element element)
        {
            ElementGraphicsOutput.Process(element, this);
        }

        public override void AnnounceTransform(DTransform3d transform)
        {
            m_currentTransform = transform != null ? transform : DTransform3d.Identity;

        }

        public override void AnnounceIdentityTransform()
        {
            m_currentTransform = DTransform3d.Identity;
        }
    }
}