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

using HYJig.Jig;

using System;
using System.Diagnostics;
using System.Windows.Forms;

namespace HYJig
{
    public class WindowHandle : IWin32Window
    {
        public WindowHandle(IntPtr h)
        {
            Handle = h;
        }

        public IntPtr Handle { get; }

    }
    [Regeneration(0)]
    [Transaction(TransactionMode.Manual)]
    public class JigLine : IExternalCommand
    {
        public Result Execute(ExternalCommandData cmdData, ref string message, ElementSet elements)
        {
            UIDocument activeUIDocument = cmdData.Application.ActiveUIDocument;
            ViewAssist.ViewValidating(activeUIDocument.Document, activeUIDocument.ActiveView);
            Process currentProcess = Process.GetCurrentProcess();
            IntPtr mainWindowHandle = currentProcess.MainWindowHandle;
            WindowHandle windowHandle = new WindowHandle(mainWindowHandle);
            LineJigForm lineJigForm = new LineJigForm();
            lineJigForm.Show(windowHandle);
            XLineJig xlineJig = new XLineJig(activeUIDocument, lineJigForm);
            XYZ xyz = xlineJig.PickStartPoint("请确定直线起点：");
            Result result;
            if (xyz == null)
            {
                xlineJig.Dispose();
                lineJigForm.Close();
                result = 0;
            }
            else
            {
                xlineJig.SetPromptState(string.Empty, false, "3000", true);
                xlineJig.DrawSize = true;
                for (; ; )
                {
                    XYZ xyz2 = xlineJig.PickEndPoint(xyz, "请确定风管终点：");
                    if (xyz2 == null)
                    {
                        break;
                    }
                    Transaction transaction = new Transaction(activeUIDocument.Document);
                    try
                    {
                        transaction.Start("CreateCurve");
                        Line line = Line.CreateBound(xyz, xyz2);
                        activeUIDocument.Document.Create.NewDetailCurve(activeUIDocument.ActiveView, line);
                        transaction.Commit();
                    }
                    catch (Exception)
                    {
                        transaction.RollBack();
                    }
                    xyz = xyz2;
                }
                xlineJig.Dispose();
                lineJigForm.Close();
                result = 0;
            }
            return result;
        }
    }
}