using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using CDM.Interop.Revit.Utility;
using CDM.Interop.Revit.RevitCompoent;
using Microsoft.Win32;

namespace CDM.Interop.Revit
{
    [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
    [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
    class CmdCDMToRevit : Autodesk.Revit.UI.IExternalCommand
    {
        static string AddInPath = typeof(CmdCDMToRevit).Assembly.Location;
        public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
        {
            Autodesk.Revit.ApplicationServices.Application app = commandData.Application.Application;
            Document doc = commandData.Application.ActiveUIDocument.Document;
            Level level = null;
            Family family = null;
            IList<Element> levels = new FilteredElementCollector(doc).OfClass(typeof(Level)).ToElements();
            foreach (Level l in levels)
            {
                //if (l.get_Parameter(BuiltInParameter.LEVEL_ELEV).AsDouble() == 0)
                if (l.ProjectElevation == 0)
                {
                    level = l;
                    break;
                }
            }
            List<RevitColumn> columns = new List<RevitColumn>();
            List<RevitBeam> beams = new List<RevitBeam>();
            List<RevitWall> walls = new List<RevitWall>();
            List<RevitFloor> floors = new List<RevitFloor>();
            List<RevitStairs> stairs = new List<RevitStairs>();

            string filter = "读取CDM集(*.xlsx)|*.xlsx";
            OpenFileDialog openDialog = new OpenFileDialog();
            openDialog.Multiselect = true;
            openDialog.Filter = filter;
            openDialog.Title = "选择CDM文件";
            openDialog.ShowDialog();

            string[] paths = openDialog.FileNames;
            if (paths.Count() == 0)
            {
                return Result.Cancelled;
            }

            #region 备用
            //List<FilePathInfo> list = new List<FilePathInfo>();
            //for (int i = 0; i < paths.Count(); i++)
            //{
            //    string filename = System.IO.Path.GetFileNameWithoutExtension(paths[i]);
            //    FilePathInfo fpi = new FilePathInfo()
            //    {
            //        FileName = filename,
            //        Path = paths[i],
            //    };
            //    if (filename.Contains("A21005"))
            //    {
            //        fpi.Category = "墙";
            //    }
            //    else if (filename.Contains("A21002"))
            //    {
            //        fpi.Category = "梁";
            //    }
            //    else if (filename.Contains("A21003"))
            //    {
            //        fpi.Category = "板";
            //    }
            //    else if (filename.Contains("A21001"))
            //    {
            //        fpi.Category = "柱";
            //    }
            //    else if (filename.Contains("A21008"))
            //    {
            //        fpi.Category = "楼梯";
            //    }
            //    else
            //    {
            //        fpi.Category = "未知";
            //    }
            //    list.Add(fpi);
            //}

            #endregion

            foreach (var path in paths)
            {
                if (path.Contains("A21003"))
                {
                    RevitFloor floor = new RevitFloor(path);
                    floors.Add(floor);
                }
                else if (path.Contains("A21005"))
                {
                    RevitWall wall = new RevitWall();

                    walls.Add(wall);
                }
                else if (path.Contains("A21002"))
                {
                    RevitBeam beam = new RevitBeam(path);
                    beams.Add(beam);
                }
                else if (path.Contains("A21001"))
                {
                    RevitColumn column = new RevitColumn(path);
                    columns.Add(column);
                }
                if (path.Contains("A21004"))
                {
                    RevitStairs stair = new RevitStairs(path);
                    stairs.Add(stair);
                }
            }
            if (columns.Count > 0)
            {
                string columnPath = Path.GetDirectoryName(AddInPath)+ "\\CDM\\rfa\\矩形柱.rfa";
                using (Document famdoc = app.OpenDocumentFile(columnPath))
                {
                    family = famdoc.LoadFamily(doc, new FamilyLoadOptions());
                }
                ColumnUtil.PlaceColumns(doc, family, columns, level);
            }
            if (beams.Count > 0)
            {
                string beamPath = Path.GetDirectoryName(AddInPath) + "\\CDM\\rfa\\矩形梁.rfa";
                using (Document famdoc = app.OpenDocumentFile(beamPath))
                {
                    family = famdoc.LoadFamily(doc, new FamilyLoadOptions());
                }
                BeamUtil.PlaceBeams(doc, family, beams, level);
            }
            if (floors.Count > 0)
            {
                FloorUtil.PlaceFloors(doc, floors, level);
            }
            if (stairs.Count > 0)
            {
                StairsUtil.PlaceStairs(doc, stairs, level);
            }
            //RevitWallUtil.PlaceWalls(doc,walls, level);



            return Result.Succeeded;
        }
    }
    class FamilyLoadOptions : IFamilyLoadOptions
    {
        public bool OnFamilyFound(bool familyInUse, out bool overwriteParameterValues)
        {

            overwriteParameterValues = true;
            return true;

        }

        public bool OnSharedFamilyFound(Family sharedFamily, bool familyInUse, out FamilySource source, out bool overwriteParameterValues)
        {
            source = FamilySource.Project;
            overwriteParameterValues = true;
            return true;
        }
    }
}