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

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

using EPPlus.Core.Extensions;

using Nice3point.Revit.Toolkit.External;
using Nice3point.Revit.Toolkit.Utils;

namespace Szmedi.Test
{
    [Transaction(TransactionMode.Manual)]
    [Regeneration(RegenerationOption.Manual)]
    public class TestCmd : ExternalCommand
    {
        public override void Execute()
        {      
            var walls = new FilteredElementCollector(Document).WhereElementIsNotElementType()
                .OfClass(typeof(Wall))
                .ToElements()
                .Cast<Wall>()
                .ToList();
            foreach (var wall in walls)
            {
                var inserts = wall.FindInserts(true, false, false, false);
                foreach (var id in inserts)
                {
                    var insert = Document.GetElement(id);
                    if (insert != null)
                    {
                        switch (insert)
                        {
                            //门窗
                            case FamilyInstance fi:
                                {
                                    var symbol = fi.Symbol;
                                    //Revit2018
                                    //宽度
                                    var width = symbol.get_Parameter(BuiltInParameter.DOOR_WIDTH).AsValueString();
                                    //高度
                                    var height = symbol.get_Parameter(BuiltInParameter.GENERIC_HEIGHT).AsValueString();
                                    //Revit2020
                                    var width2020 = symbol.get_Parameter(BuiltInParameter.FURNITURE_WIDTH).AsValueString();
                                    var height2020 = symbol.get_Parameter(BuiltInParameter.FAMILY_HEIGHT_PARAM).AsValueString();
                                    break;
                                }
                            //洞口
                            case Opening o:
                                {
                                    var minPoint = o.BoundaryRect[0];
                                    var maxPoint = o.BoundaryRect[1];
                                    //高度
                                    var height = Math.Abs(maxPoint.Z - minPoint.Z) * 304.8;
                                    var minPointFlatten = new XYZ(minPoint.X, minPoint.Y, 0);
                                    var maxPointFlatten = new XYZ(maxPoint.X, maxPoint.Y, 0);
                                    //宽度
                                    var width = minPointFlatten.DistanceTo(maxPointFlatten) * 304.8;
                                    MessageBox.Show($"{width} x {height}");
                                    break;
                                }
                            default:
                                break;
                        }
                    }
                }
            }         
        }


        private static void DrawColumnsBoundLines(Document doc, List<Element> selectedColumns)
        {
            foreach (FamilyInstance column in selectedColumns)
            {
                // 获取结构柱的几何信息
                var geomOptions = new Options();
                var geomElement = column.get_Geometry(geomOptions);
                foreach (var geomObj in geomElement)
                {
                    var geometryInstance = geomObj as GeometryInstance;
                    if (geometryInstance != null)
                    {
                        // 处理几何实例
                        var instanceGeomElement = geometryInstance.GetInstanceGeometry();
                        foreach (var instanceGeomObj in instanceGeomElement)
                        {
                            if (instanceGeomObj is Solid solid)
                            {
                                foreach (Face face in solid.Faces)
                                {
                                    if (face is PlanarFace planarFace &&
                                        planarFace.FaceNormal.IsAlmostEqualTo(-XYZ.BasisZ))
                                    {
                                        var edgeLoops = planarFace.EdgeLoops;
                                        foreach (EdgeArray edgeArray in edgeLoops)
                                        {
                                            var curveArray = new CurveArray();
                                            foreach (Edge edge in edgeArray)
                                            {
                                                var curve = edge.AsCurve();
                                                curveArray.Append(curve);
                                            }

                                            if (curveArray.Size > 0)
                                            {
                                                // 获取活动视图的 SketchPlane
                                                var sketchPlane = SketchPlane.Create(
                                                    doc,
                                                    doc.ActiveView.GenLevel.Id);

                                                // 绘制房间分割线
                                                var lines = doc.Create
                                                    .NewRoomBoundaryLines(sketchPlane, curveArray, doc.ActiveView);
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }  
    }
}