using UnityEngine.ProBuilder;
using UnityEngine;

namespace UnityEditor.ProBuilder.Actions
{
    sealed class ConformObjectNormals : MenuAction
    {
        public override ToolbarGroup group
        {
            get { return ToolbarGroup.Object; }
        }

        public override Texture2D icon
        {
            get { return IconUtility.GetIcon("Toolbar/Object_ConformNormals", IconSkin.Pro); }
        }

        public override TooltipContent tooltip
        {
            get { return s_Tooltip; }
        }

        public override string menuTitle
        {
            get { return "Conform Normals"; }
        }

        static readonly TooltipContent s_Tooltip = new TooltipContent
            (
                "Conform Object Normals",
                @"Check the object for faces that are flipped in the opposite direction of most other faces, then reverses any dissenters."
            );

        public override bool enabled
        {
            get { return base.enabled && MeshSelection.selectedObjectCount > 0; }
        }

        public override ActionResult DoAction()
        {
            UndoUtility.RecordSelection("Conform Object Normals");

            ActionResult res = ActionResult.NoSelection;

            foreach (ProBuilderMesh pb in MeshSelection.topInternal)
            {
                res = UnityEngine.ProBuilder.MeshOperations.SurfaceTopology.ConformNormals(pb, pb.faces);

                pb.ToMesh();
                pb.Refresh();
                pb.Optimize();
            }

            ProBuilderEditor.Refresh();

            return res;
        }
    }
}