using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Events;
using Autodesk.Revit.UI;

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;

namespace HYDragCurveJig
{
    public class JigCreator
    {
        public JigCreator(ExternalCommandData commandData)
        {
            this.externalCommandData_0 = commandData;
            this.uiapplication_0 = commandData.Application;
            this.uidocument_0 = this.uiapplication_0.ActiveUIDocument;
            this.application_0 = this.uiapplication_0.Application;
            this.document_0 = this.uidocument_0.Document;
        }

        ~JigCreator()
        {
            if (this.keyboardHook_0 != null)
            {
                this.keyboardHook_0.HookStop();
            }
        }

        public Result Initialize(List<JigEdgeInfo> curveInfoList, List<JigTextInfo> textInfoList, XYZ ptBase, ref string message)
        {
            Result result = this.method_4(ref message);
            try
            {
                this.jigFamilyCreator_0 = new JigFamilyCreator(this.externalCommandData_0, this.document_1);
                result = this.jigFamilyCreator_0.CreateJIGFamily(curveInfoList, textInfoList, ptBase, ref message);
                if (result != null)
                {
                    this.CloseDoc();
                }
                else
                {
                    result = this.method_6();
                    if (result != null)
                    {
                        this.CloseDoc();
                    }
                    else
                    {
                    }
                }
            }
            catch (Exception ex)
            {
                message = ex.Message;
                this.method_7();
                result = Result.Failed;
            }
            return result;
        }

        public bool Do(ref XYZ ptInsert)
        {
            if (this.document_1 == null)
            {
                this.method_7();
                return false;
            }
            FamilySymbol familySymbol = null;
            if (!this.method_0(ref familySymbol))
            {
                this.keyboardHook_0.HookStop();
                this.method_7();
            }
            Transaction transaction = null;
            Element element = null;
            try
            {
                ElementId elementId = null;
                if (!this.method_10(familySymbol, ref elementId))
                {
                    this.method_7();
                    transaction = new Transaction(this.document_0);
                    transaction.Start("recover");
                    this.document_0.Delete(familySymbol.Family.Id);
                    transaction.Commit();
                    return false;
                }
                element = this.document_0.GetElement(elementId);
                LocationPoint locationPoint = element.Location as LocationPoint;
                ptInsert = locationPoint.Point;
            }
            catch (Exception)
            {
                this.keyboardHook_0.HookStop();
                this.method_7();
                if (transaction != null)
                {
                    transaction.RollBack();
                }
                return false;
            }
            if (!this.method_1(element, familySymbol.Family))
            {
                this.keyboardHook_0.HookStop();
                this.method_7();
            }
            this.method_7();
            return true;
        }

        private bool method_0(ref FamilySymbol familySymbol_0)
        {
            Transaction transaction = null;
            bool flag;
            try
            {
                transaction = new Transaction(this.document_0);
                transaction.Start("drag");
                this.uiapplication_0.ActiveUIDocument.Document.LoadFamily(this.string_0);
                familySymbol_0 = this.method_9(this.string_1, this.jigFamilyCreator_0.SymbolName);
                transaction.Commit();
                flag = true;
            }
            catch (Exception)
            {
                if (transaction != null)
                {
                    transaction.RollBack();
                }
                flag = false;
            }
            return flag;
        }

        private bool method_1(Element element_0, Family family_0)
        {
            Transaction transaction = null;
            bool flag;
            try
            {
                transaction = new Transaction(this.document_0);
                transaction.Start("recover");
                this.document_0.Delete(element_0.Id);
                this.document_0.Delete(family_0.Id);
                transaction.Commit();
                flag = true;
            }
            catch (Exception)
            {
                if (transaction != null)
                {
                    transaction.RollBack();
                }
                flag = false;
            }
            return flag;
        }

        private bool method_2(ref string string_2)
        {
            string text = this.method_3();
            string versionNumber = this.externalCommandData_0.Application.Application.VersionNumber;
            string_2 = string.Concat(new string[] { string_2, text, "\\Templates\\", versionNumber, "\\JIGFamilyTemplate.rft" });
            if (!File.Exists(string_2))
            {
                throw new Exception("Unsupported version");
            }
            return true;
        }

        private string method_3()
        {
            string location = Assembly.GetExecutingAssembly().Location;
            int num = location.LastIndexOf("\\");
            string text = location.Substring(0, num);
            num = text.LastIndexOf("\\");
            return text.Substring(0, num);
        }

        private Result method_4(ref string string_2)
        {
            string text = string.Empty;
            try
            {
                if (!this.method_2(ref text))
                {
                    string_2 = "缺少族模板.";
                    return Result.Failed;
                }
            }
            catch (Exception ex)
            {
                string_2 = ex.Message;
                return Result.Failed;
            }
            this.document_1 = this.application_0.NewFamilyDocument(text);
            if (this.document_1 == null)
            {
                string_2 = "缺少族模板.";
                return Result.Failed;
            }
            return 0;
        }

        private void CloseDoc()
        {
            this.document_1.Close(false);
        }

        private Result method_6()
        {
            string tempPath = Path.GetTempPath();
            this.string_1 = "HYJIG";
            this.string_0 = tempPath + this.string_1 + ".rfa";
            if (File.Exists(this.string_0))
            {
                File.Delete(this.string_0);
            }
            SaveAsOptions saveAsOptions = new SaveAsOptions();
            saveAsOptions.OverwriteExistingFile = true;
            document_1.SaveAs(this.string_0, saveAsOptions);
            this.document_1.Close(true);
            return 0;
        }

        private void method_7()
        {
            this.method_8(this.string_0);
            string tempPath = Path.GetTempPath();
            foreach (string text in Directory.GetFiles(tempPath, "*.rfa", SearchOption.TopDirectoryOnly))
            {
                if (text.IndexOf("HYJIG") != -1)
                {
                    this.method_8(tempPath + Path.GetFileName(text));
                }
            }
        }

        private bool method_8(string string_2)
        {
            bool flag;
            try
            {
                if (File.Exists(string_2))
                {
                    File.Delete(string_2);
                    flag = true;
                }
                else
                {
                    flag = false;
                }
            }
            catch (Exception)
            {
                flag = false;
            }
            return flag;
        }

        private FamilySymbol method_9(string string_2, string string_3)
        {
            FamilySymbol familySymbol = null;
            foreach (Element element in new FilteredElementCollector(this.document_0).OfClass(typeof(Family)).ToElements())
            {
                Family family = element as Family;
                if (family != null)
                {
                    Category familyCategory = family.Category;
                    if (familyCategory != null && string_2.ToUpper().CompareTo(family.Name.ToUpper()) == 0)
                    {
                        foreach (FamilySymbol familySymbol2 in family.GetFamilySymbolIds().Select(id => document_0.GetElement(id)))
                        {
                            if (string_3.ToUpper().CompareTo(familySymbol2.Name.ToUpper()) == 0)
                            {
                                return familySymbol2;
                            }
                        }
                    }
                }
            }
            return familySymbol;
        }

        private bool method_10(FamilySymbol familySymbol_0, ref ElementId elementId_0)
        {
            this.list_0.Clear();
            this.method_11();
            this.keyboardHook_0.HookStart();
            if (this.uiapplication_0.ActiveUIDocument == null)
            {
                this.method_12();
                this.keyboardHook_0.HookStop();
                return false;
            }
            if (!this.eadSssotM(familySymbol_0))
            {
                this.method_12();
                this.keyboardHook_0.HookStop();
                return false;
            }
            this.method_12();
            if (this.list_0.Count == 0)
            {
                this.keyboardHook_0.HookStop();
                return false;
            }
            elementId_0 = this.list_0[0];
            this.keyboardHook_0.HookStop();
            return true;
        }

        private bool eadSssotM(FamilySymbol familySymbol_0)
        {
            bool flag;
            try
            {
                this.uiapplication_0.ActiveUIDocument.PromptForFamilyInstancePlacement(familySymbol_0);
                flag = true;
            }
            catch (Autodesk.Revit.Exceptions.OperationCanceledException)
            {
                flag = true;
            }
            catch (Exception ex)
            {
                string message = ex.Message;
                this.method_12();
                this.keyboardHook_0.HookStop();
                flag = false;
            }
            return flag;
        }

        private void method_11()
        {
            this.application_0.DocumentChanged += this.method_13;
            this.application_0.DocumentClosing += this.method_14;
            this.application_0.DocumentCreating += this.method_15;
            this.application_0.DocumentOpening += this.method_16;
        }

        private void method_12()
        {
            this.application_0.DocumentChanged -= this.method_13;
            this.application_0.DocumentClosing -= this.method_14;
            this.application_0.DocumentCreating -= this.method_15;
            this.application_0.DocumentOpening -= this.method_16;
        }

        private void method_13(object sender, DocumentChangedEventArgs e)
        {
            if (e.GetAddedElementIds().Count == 1)
            {
                this.list_0.AddRange(e.GetAddedElementIds());
                this.keyboardHook_0.HookStop();
                this.method_17();
                this.method_17();
            }
        }

        private void method_14(object sender, DocumentClosingEventArgs e)
        {
            this.keyboardHook_0.HookStop();
            this.method_17();
            this.method_17();
        }

        private void method_15(object sender, DocumentCreatingEventArgs e)
        {
            this.keyboardHook_0.HookStop();
            this.method_17();
            this.method_17();
        }

        private void method_16(object sender, DocumentOpeningEventArgs e)
        {
            this.keyboardHook_0.HookStop();
            this.method_17();
            this.method_17();
        }

        [DllImport("user32.dll")]
        private static extern void keybd_event(byte byte_0, byte byte_1, int int_0, int int_1);

        private void method_17()
        {
            byte b = 27;
            JigCreator.keybd_event(27, 0, 0, 0);
            JigCreator.keybd_event(b, 0, 2, 0);
        }

        private ExternalCommandData externalCommandData_0;

        private UIApplication uiapplication_0;

        private UIDocument uidocument_0;

        private Application application_0;

        private Document document_0;

        private Document document_1;

        private JigFamilyCreator jigFamilyCreator_0;

        private List<ElementId> list_0 = new List<ElementId>();

        private string string_0 = string.Empty;

        private string string_1 = string.Empty;

        private KeyboardHook keyboardHook_0 = new KeyboardHook();
    }
}