using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Documents;

using ACadSharp.Entities;

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

using CSMath;
using XYZ = Autodesk.Revit.DB.XYZ;
using Nice3point.Revit.Toolkit.External;
using Nice3point.Revit.Toolkit.Options;
using Nice3point.Revit.Toolkit.Utils;
using Line = Autodesk.Revit.DB.Line;
using Autodesk.Revit.DB.Plumbing;
using System.IO;
using System.Collections.ObjectModel;
using Sai.Toolkit.Revit.Assist;
using Microsoft.Win32;
using Sai.Toolkit.Core.Helpers;

namespace RvAddinTest
{
    [Transaction(TransactionMode.Manual)]
    [Regeneration(RegenerationOption.Manual)]
    public class GASInstancesCreator : ExternalCommand
    {
        private XYZ XYToRevitXYZ(CSMath.XY point)
        {
            return new XYZ(point.X, point.Y, 0) / 304.8;
        }

        private XYZ XYZToRevitXYZ(CSMath.XYZ point)
        {
            return new XYZ(point.X, point.Y, 0) / 304.8;
        }

        public override void Execute()
        {
            //var id = UiDocument.Selection.GetElementIds().First();
            //var elem = Document.GetElement(id) as FamilyInstance;
            //var point = elem.GetLocXYZ();

            //var pipes = new FilteredElementCollector(Document).OfClass(typeof(Pipe)).Cast<Pipe>();
            //Pipe p;
            //foreach (var pipe in pipes)
            //{
            //    var line = pipe.GetLocCurve() as Line;
            //    var lineOrigin = line.Origin.Flatten();
            //    var temp = double.MaxValue;
            //    if (line.Direction == XYZ.BasisZ)
            //    {
            //        var dis = point.DistanceTo(lineOrigin);
            //        if (dis < temp)
            //        {
            //            p = pipe;
            //        }
            //    }
            //}
            //var conns = elem.MEPModel.ConnectorManager.UnusedConnectors.OfType<Connector>().FirstOrDefault();
            var dialog = new OpenFileDialog
            {
                Filter = "dwg文件(*.dwg)|*.dwg"
            };
            if (dialog.ShowDialog()==true)
            {
                var file = dialog.FileName;
                var cad = new ACadSharp.IO.DwgReader(file).Read();
                var polylines = cad.Entities.OfType<LwPolyline>().Where(l => l.Layer.Name == "RQ" && l.Color.Equals(ACadSharp.Color.ByLayer));
                var sizes = cad.Entities.OfType<TextEntity>().Where(t => t.Layer.Name == "RQ" && t.Value.Contains("D"));
                var entities = cad.Entities.OfType<Insert>().Where(i => i.Layer.Name == "0" || i.Layer.Name == "RQ" || i.Layer.Name == "GAS" || i.Layer.Name == "燃具");
                Create(polylines, sizes, entities);
            }
        }

        private void Create(IEnumerable<LwPolyline> polylines, IEnumerable<TextEntity> sizes, IEnumerable<Insert> entities)
        {
            var pipeType = new FilteredElementCollector(Document).OfClass(typeof(PipeType))
                .FirstOrDefault(pt => pt.Name == "低压燃气管道");
            var systemType = new FilteredElementCollector(Document).OfClass(typeof(PipingSystemType))
                .FirstOrDefault(pt => pt.Name == "低压燃气系统");

            var mb = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
    .FirstOrDefault(pt => pt.Name.Contains("盲板")) as FamilySymbol;
            var xs = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
    .FirstOrDefault(pt => pt.Name.Contains("旋塞")) as FamilySymbol;
            var flqf = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name.Contains("法兰球阀")) as FamilySymbol;
            var tqf = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name.Contains("铜制球阀")) as FamilySymbol;
            var rqb = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name.Contains("燃气表")) as FamilySymbol;
            var zbf = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name.Contains("自闭阀")) as FamilySymbol;
            var rsq = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name.Contains("热水器")) as FamilySymbol;
            var rqz = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name.Contains("燃气灶")) as FamilySymbol;
            var qf = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name == "球阀") as FamilySymbol;
            var sd = new FilteredElementCollector(Document).OfClass(typeof(FamilySymbol))
.FirstOrDefault(pt => pt.Name == "丝堵") as FamilySymbol;
            var sb = new StringBuilder();
            using (var ts = new Transaction(Document, "翻模"))
            {
                ts.Start();

                foreach (var line in polylines)
                {
                    var tempDistance = double.MaxValue;
                    TextEntity textNoteNearest = null;
                    var vector = XYZ.BasisX;
                    var locXY = line.Vertices.FirstOrDefault().Location;
                    var firstPoint = XYToRevitXYZ(locXY);
                    var lastPoint = XYToRevitXYZ(line.Vertices.LastOrDefault().Location);
                    if (firstPoint.DistanceTo(lastPoint)<Application.ShortCurveTolerance)
                    {
                        continue;
                    }
                    var rLine = Line.CreateBound(firstPoint, lastPoint);
                    TextEntity size = null;
                    foreach (var text in sizes)
                    {
                        var rotation = text.Rotation;
                        var transform = Autodesk.Revit.DB.Transform.CreateRotation(XYZ.BasisZ, rotation);
                        var textVector = transform.OfVector(vector);
                        XYZ flattenCoord = XYZToRevitXYZ(text.InsertPoint);
                        var currentDistance = rLine.Distance(flattenCoord);
                        if (currentDistance < tempDistance && 1 - rLine.Direction.DotProduct(textVector) < 10E-4)
                        {
                            tempDistance = currentDistance;
                            textNoteNearest = text;
                            size = text;
                            //vector = text.ObliqueAngle;
                        }
                    }
                    try
                    {
                        var first = line.Vertices.First().Location;
                        var last = line.Vertices.Last().Location;

                        var pipe = Pipe.Create(
                             Document,
                             systemType.Id,
                             pipeType.Id,
                             Document.ActiveView.GenLevel.Id,
                             XYToRevitXYZ(first) + 3200 / 304.8 * XYZ.BasisZ,
                             XYToRevitXYZ(last) + 3200 / 304.8 * XYZ.BasisZ);
                        var str = size.Value.Split('D').LastOrDefault();
                        var str1 = str.Trim('N');
                        if (double.TryParse(str1, out var d))
                        {
                            pipe.get_Parameter(BuiltInParameter.RBS_PIPE_DIAMETER_PARAM).Set(d / 304.8);
                        }
                    }
                    catch (Exception ex)
                    {
                        sb.AppendLine(ex.Message);
                        continue;
                    }
                }
                foreach (var insert in entities)
                {
                    try
                    {
                        if (insert.Block.Name == "立管0")
                        {
                            var temp = double.MaxValue;
                            string t = default;
                            foreach (var item in sizes)
                            {
                                if (item.Value.StartsWith("DN") && item.Rotation < 10E-3)
                                {
                                    var current = item.InsertPoint.DistanceFrom(insert.InsertPoint);
                                    if (current < temp)
                                    {
                                        temp = current;
                                        t = item.Value.Replace("DN", string.Empty);
                                    }
                                }
                                if (item.Value.StartsWith("D") && item.Rotation < 10E-3)
                                {
                                    var current = item.InsertPoint.DistanceFrom(insert.InsertPoint);
                                    if (current < temp)
                                    {
                                        temp = current;
                                        t = item.Value.Replace("D", string.Empty).Split('*').First();
                                    }
                                }
                            }
                            var pipe = Pipe.Create(
                              Document,
                              systemType.Id,
                              pipeType.Id,
                              Document.ActiveView.GenLevel.Id,
                              XYZToRevitXYZ(insert.InsertPoint),
                              XYZToRevitXYZ(insert.InsertPoint) + 3200 / 304.8 * XYZ.BasisZ);
                            if (double.TryParse(t, out var d))
                            {
                                pipe.get_Parameter(BuiltInParameter.RBS_PIPE_DIAMETER_PARAM).Set(d / 304.8);
                            }
                        }
                        //盲板
                        else if (insert.Block.Name == "盲板")
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 2000 / 304.8 * XYZ.BasisZ,
                                    mb,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //旋塞阀
                        else if (insert.Block.Name.Contains("旋塞"))
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 1100 / 304.8 * XYZ.BasisZ,
                                    rqb,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //商业预留，法兰球阀
                        else if (insert.Block.Name.Contains("法兰球阀"))
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 2000 / 304.8 * XYZ.BasisZ,
                                    rqb,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //锁闭型螺纹铜球阀
                        else if (insert.Block.Name.Contains("户内阀"))
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 1800 / 304.8 * XYZ.BasisZ,
                                    tqf,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //燃气表
                        else if (insert.Block.Name == "计量表")
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 1600 / 304.8 * XYZ.BasisZ,
                                    rqb,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //自闭阀
                        else if (insert.Block.Name == "自闭阀")
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 900 / 304.8 * XYZ.BasisZ,
                                    zbf,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //热水器
                        //else if (insert.Block.Name == "RSQ")
                        //{
                        //    Document.Create
                        //        .NewFamilyInstance(
                        //            XYZToRevitXYZ(insert.InsertPoint) + 1100 / 304.8 * XYZ.BasisZ,
                        //            rsq,
                        //            Document.ActiveView.GenLevel,
                        //            Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        //}
                        //燃气灶
                        else if (insert.Block.Name == "燃气灶")
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 900 / 304.8 * XYZ.BasisZ,
                                    rqz,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                        //球阀+丝堵
                        else if (insert.Block.Name.Contains("丝堵"))
                        {
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 1800 / 304.8 * XYZ.BasisZ,
                                    qf,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                            Document.Create
                                .NewFamilyInstance(
                                    XYZToRevitXYZ(insert.InsertPoint) + 1600 / 304.8 * XYZ.BasisZ,
                                    sd,
                                    Document.ActiveView.GenLevel,
                                    Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
                        }
                    }
                    catch (Exception ex)
                    {
                        sb.AppendLine(ex.Message);
                        continue;
                    }
                }

                ts.Commit();
                if (sb.Length > 0)
                {
                    File.WriteAllText(@"D:\Users\Zhanggg\Desktop\Errors.txt", sb.ToString(), Encoding.UTF8);
                }
            }
        }
    }
}