using System;

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

using Nice3point.Revit.Toolkit.External;


namespace ShrlAlgo.Addin.Test;
[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
public class AddWallTypeParam : ExternalCommand
{
    public Result Executex(ExternalCommandData commandData, ref string message, ElementSet elements)
    {
        //程序UI界面
        UIApplication uiapp = commandData.Application;
        //获取元素（选择） 显示元素 视图（活动视图）管理（对象）
        UIDocument uidoc = uiapp.ActiveUIDocument;
        //程序
        Autodesk.Revit.ApplicationServices.Application app = uiapp.Application;
        //获取位置和场地 视图（多个视图）管理 获取元素（Revit 项目里的全部元素）
        Document doc = uidoc.Document;
        //获取所有打开文档
        DocumentSet docset = uiapp.Application.Documents;
        //当前视图
        View view = doc.ActiveView;

        #region FilterExecute

        var walls = new FilteredElementCollector(doc).OfClass(typeof(Wall)).ToElements();
        using (Transaction trans = new Transaction(doc, "default"))
        {
            try
            {
                trans.Start();
                //Do Something.
                trans.Commit();
            }
            catch (Exception ex)
            {
                message = ex.Message;
                if (trans.GetStatus() == TransactionStatus.Started)
                {
                    trans.RollBack();
                }
                return Result.Failed;
            }
        }

        #endregion FilterExecute

        #region RepeatExecute

        bool isCoutine = true;
        using (Transaction trans = new Transaction(doc, "default"))
        {
            try
            {
                while (isCoutine)
                {
                    try
                    {
                        trans.Start();
                        //do something.
                        trans.Commit();
                    }
                    catch (Exception)
                    {
                        trans.Commit();
                        return Result.Succeeded;
                    }
                }
            }
            catch (Autodesk.Revit.Exceptions.OperationCanceledException)
            {
                if (trans.GetStatus() == TransactionStatus.Started)
                {
                    trans.Commit();
                }
            }
            catch (Exception ex)
            {
                message = ex.Message;
                if (trans.GetStatus() == TransactionStatus.Started)
                {
                    trans.Commit();
                }

                return Result.Succeeded;
            }
        }

        #endregion RepeatExecute

        #region SelectExecute

        using (Transaction trans = new Transaction(doc, "default"))
        {
            try
            {
                Reference refer = uidoc.Selection.PickObject(ObjectType.Element, "请选择XXX");
                Element e = uidoc.Document.GetElement(refer);

                trans.Start();
                //Do Something.
                trans.Commit();
            }
            catch (Autodesk.Revit.Exceptions.OperationCanceledException ex)
            {
                if (trans.GetStatus() == TransactionStatus.Started)
                {
                    trans.Commit();
                }

                return Result.Succeeded;
            }
            catch (Exception ex)
            {
                message = ex.Message;
                if (trans.GetStatus() == TransactionStatus.Started)
                {
                    trans.RollBack();
                }
                return Result.Failed;
            }
        }

        #endregion SelectExecute

        return Result.Succeeded;
    }

    public override void Execute()
    {
        Document.Invoke(
            ts =>
            {
                var file = ParameterAssist.OpenSharedParametersFile(Application);
                var group = file.Groups.get_Item("Atkore");
                var definition = group.Definitions.get_Item("test");
                var categories = Application.Create.NewCategorySet();
                categories.Insert(Category.GetCategory(Document, BuiltInCategory.OST_Walls));
                var newIB = Application.Create.NewTypeBinding(categories);
                var b = Document.ParameterBindings.ReInsert(definition, newIB);
            });
       
    }
}