using System;

using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;

using Nice3point.Revit.Toolkit.External;

using ShrlAlgoToolkit.Revit.Assists;
using ShrlAlgoToolkit.Revit.Extensions;

namespace ShrlAlgo.Addin.Test;
[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
public class PlaceInstanceByCircleCmd : ExternalCommand
{
    public override void Execute()
    {
        Document.Invoke(
            _ =>
            {
                //var id = UiDocument.Selection.GetElementIds().FirstOrDefault();
                //PipingSystemType type = Document.GetElement(id) as PipingSystemType;
                //type.LineColor = Color.InvalidColorValue;
                //var ids = UiDocument.Selection.GetElementIds();
                //foreach (var id in ids)
                //{
                //    var elem = Document.GetElement(id) as FamilyInstance;
                //    ;
                //    ElementTransformUtils.MoveElement(Document, id, elem.FacingOrientation * 121 / 304.8);
                //}
                //return;

                var refer = UiDocument.Selection.PickObject(ObjectType.Element, "请选择一个实例");
                var familyInstance = Document.GetElement(refer) as FamilyInstance;
                var reference = UiDocument.Selection.PickObject(ObjectType.Element, new FuncFilter(e => e is ImportInstance), "请选择一个实例");
                var importInstance = Document.GetElement(reference);

                Element elem = Document.GetElement(reference);
                var geoElem = importInstance.get_Geometry(new Options());
                GeometryObject geoObj = elem.GetGeometryObjectFromReference(refer);

                foreach (var geo in geoElem)
                {
                    if (geo is GeometryInstance instance)
                    {
                        if (!familyInstance.Symbol.IsActive)
                        {
                            familyInstance.Symbol.Activate();
                        }
                        var tf = instance.Transform;
                        foreach (var geom in instance.GetSymbolGeometry())
                        {
                            if (geom is Arc arc && arc.IsCyclic && geom.GraphicsStyleId == geoObj.GraphicsStyleId)//( Document.GetElement(item.GraphicsStyleId) as GraphicsStyle).GraphicsStyleCategory.Name == "平面布置"图层名称
                            {
                                var point = tf.OfPoint(arc.Center);
                                Document.Create.NewFamilyInstance(point, familyInstance.Symbol, Document.ActiveView.GenLevel, Document.ActiveView.GenLevel, familyInstance.StructuralType);
                            }
                        }
                    }
                }
            }, "创建实例");
    }
}