using System.Linq;
using System.Text;
using System.Windows;

using ACadSharp.Entities;

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

using Nice3point.Revit.Toolkit.External;

namespace Szmedi.RvKits.Civil
{
    /// <summary>
    /// Revit执行命令
    /// </summary>
    [Transaction(TransactionMode.Manual)]

    public class Room3D : ExternalCommand
    {
        public override void Execute()
        {
            var result=MessageBox.Show("请确保已已放置房间，是否继续？", "提示", MessageBoxButton.OKCancel, MessageBoxImage.Information);
            if (result != MessageBoxResult.OK)
            {
                Result = Result.Cancelled;
                return;
            }
            var rooms = new FilteredElementCollector(Document).OfCategory(BuiltInCategory.OST_Rooms)
                .Cast<Room>()
                .ToList();
            if (!rooms.Any())
            {
                MessageBox.Show("未发现房间", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
                Result = Result.Cancelled;
                return;
            }
            Document.InvokeGroup(
                tg =>
                {
                    var sb = new StringBuilder();
                    //Dictionary<Room, List<CurveLoop>> pairs = new();
                    using Transaction trans = new(Document, "房间实体");
                    foreach (var room in rooms)
                    {
                        try
                        {
                            trans.Start();

                            List<CurveLoop> curveLoops = [];
                            var segments = room.GetBoundarySegments(new SpatialElementBoundaryOptions());
                            foreach (var segment in segments)
                            {
                                CurveLoop curveLoop = new();
                                foreach (var boundary in segment)
                                {
                                    curveLoop.Append(boundary.GetCurve());
                                }
                                curveLoops.Add(curveLoop);
                            }
                            var geos = new List<GeometryObject>();
                            if (curveLoops.Count > 0)
                            {
                                var baseElev = room.Level.Elevation;

                                var lowerOffset = room.get_Parameter(BuiltInParameter.ROOM_LOWER_OFFSET).AsDouble();
                                var upperOffset = room.get_Parameter(BuiltInParameter.ROOM_UPPER_OFFSET).AsDouble();
                                var extrusionDist = upperOffset - lowerOffset;

                                var solid = GeometryCreationUtilities.CreateExtrusionGeometry(
                                    curveLoops,
                                    XYZ.BasisZ,
                                    extrusionDist);
                                geos.Add(solid);
                            }
                            //var directShape = DirectShape.CreateElement(
                            //    Document,
                            //    Category.GetCategory(Document, BuiltInCategory.OST_GenericModel).Id);
                            //directShape.Name = room.Name;
                            var category = Category.GetCategory(Document, BuiltInCategory.OST_GenericModel);
                            var directShape = Document.CreateDirectShapeInstance(
                                    "房间实体",
                                 BuiltInCategory.OST_GenericModel,
                                 geos);
                            directShape.get_Parameter(BuiltInParameter.DOOR_NUMBER).Set(room.Name);
                            trans.Commit();
                        }
                        catch (Exception ex)
                        {
                            sb.AppendLine($"{ex.Message}");
                        }
                    }
                    var x = sb.Length > 0 ? MessageBox.Show(sb.ToString(), "错误") : MessageBox.Show("创建完成", "提示");
                    //doc.FamilyCreate.NewModelText()
                });
        }
    }
}