using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Newtonsoft.Json;

namespace IFC_Revit_Interop
{
	// Token: 0x02000017 RID: 23
	[Transaction( TransactionMode.Manual)]
	[Regeneration(0)]
	public class LinkedFileManager : IExternalCommand
	{
		// Token: 0x06000075 RID: 117 RVA: 0x00006B8C File Offset: 0x00004D8C
		public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
		{
			Document document = commandData.Application.ActiveUIDocument.Document;
			SaveFileDialog saveFileDialog = new SaveFileDialog();
			saveFileDialog.Title = "导出一级链接关系";
			saveFileDialog.Filter = "json files (*.json)|*.json";
			if (saveFileDialog.ShowDialog() == DialogResult.OK)
			{
				return LinkedFileManager.GetLinkFileInfo(document, saveFileDialog.FileName);
			}
			return (Result)1;
		}

		// Token: 0x06000076 RID: 118 RVA: 0x00006BE0 File Offset: 0x00004DE0
		public static Result GetLinkFileInfo(Document doc, string resultPath)
		{
			List<Element> list = new FilteredElementCollector(doc).OfCategory((BuiltInCategory)(-2001352)).ToList<Element>();
			List<LinkInstance> list2 = new List<LinkInstance>();
			Result result;
			try
			{
				foreach (Element element in list)
				{
					RevitLinkInstance revitLinkInstance = element as RevitLinkInstance;
					if (revitLinkInstance != null)
					{
						RevitLinkType revitLinkType = doc.GetElement(revitLinkInstance.GetTypeId()) as RevitLinkType;
						if (revitLinkType != null && !revitLinkType.IsNestedLink)
						{
							LinkInstance linkInstance = new LinkInstance();
							linkInstance.fileName = revitLinkType.Name;
							linkInstance.attachmentType = revitLinkType.AttachmentType.ToString();
							Transform transform = revitLinkInstance.GetTransform();
							linkInstance.transform = new MyTransform();
							linkInstance.transform.basisX = new double[]
							{
								transform.BasisX.X,
								transform.BasisX.Y,
								transform.BasisX.Z
							};
							linkInstance.transform.basisY = new double[]
							{
								transform.BasisY.X,
								transform.BasisY.Y,
								transform.BasisY.Z
							};
							linkInstance.transform.basisZ = new double[]
							{
								transform.BasisZ.X,
								transform.BasisZ.Y,
								transform.BasisZ.Z
							};
							linkInstance.transform.origin = new double[]
							{
								transform.Origin.X * 304.79999999999995,
								transform.Origin.Y * 304.79999999999995,
								transform.Origin.Z * 304.79999999999995
							};
							linkInstance.transform.scale = transform.Scale;
							list2.Add(linkInstance);
						}
					}
				}
				File.WriteAllText(resultPath, JsonConvert.SerializeObject(new FileLinkInfo
				{
					linkInstances = list2,
					fileName = Path.GetFileName(doc.PathName)
				}));
				result = 0;
			}
			catch (Exception)
			{
				result = (Result)(-1);
			}
			return result;
		}

		// Token: 0x04000076 RID: 118
		private const double _inch_to_mm = 25.4;

		// Token: 0x04000077 RID: 119
		private const double _foot_to_mm = 304.79999999999995;
	}
}