using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;

using Nice3point.Revit.Toolkit.External;

namespace ShrlAlgoToolkit.RevitAddins.RvCommon;

/// <summary>
/// 分割族中的整体dwg模型为单个Solid
/// </summary>
[Transaction(TransactionMode.Manual)]
public class SplitImportInstanceCmd : ExternalCommand
{
    public override void Execute()
    {

        try
        {
            var refer = UiDocument.Selection.PickObject(Autodesk.Revit.UI.Selection.ObjectType.Element, new GenericFilter<ImportInstance>(), "请选择导入的实体");
            Document.Invoke(
                _ =>
                {
                    var elem = Document.GetElement(refer) as DirectShape;
                    var geometryElement = elem.get_Geometry(new Options() { ComputeReferences = true });
                    foreach(var item in geometryElement)
                    {
                        if(item is Solid solid)
                        {
                            //MessageBox.Show("获取到Solid");
                            var element = DirectShape.CreateElement(
                                Document,
                                Category.GetCategory(Document, BuiltInCategory.OST_GenericModel).Id);
                            element.AppendShape([solid]);
                            //return;
                        }
                    }
                    Document.Delete(refer.ElementId);
                },
                "拆分实体");
        }
        catch (Autodesk.Revit.Exceptions.OperationCanceledException)
        {
            
        }
    }
}