using GrxCAD.ApplicationServices;
using GrxCAD.DatabaseServices;
using GrxCAD.EditorInput;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace HCTools
{
    class DGXGeneralization
    {
        public static ArrayList dgxlayerlist;
        public static double dgj;
        public static bool openflag = true;
        public static void dgxGeneralization()
        {
            Document doc = GrxCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
            Database db = doc.Database;
            DocumentLock docLock = GrxCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();
            //try
            //{
                //LayerTable lt = null;
                //ArrayList layerlist = new ArrayList();

                ////获取图层事务
                //using (Transaction tran = doc.TransactionManager.StartTransaction())
                //{
                //    lt = tran.GetObject(db.LayerTableId, OpenMode.ForRead) as LayerTable;
                //    foreach (ObjectId layerid in lt)
                //    {
                //        LayerTableRecord ltrec = tran.GetObject(layerid, OpenMode.ForWrite) as LayerTableRecord;
                //        layerlist.Add(ltrec.Name);
                //    }
                //    doc.Editor.WriteMessage("程序开始运行\r\n......\r\n");
                //    tran.Commit();
                //    tran.Dispose();

                //}
                


                //DGXSBForm sf = new DGXSBForm(layerlist);
                //if (sf.ShowDialog() == DialogResult.OK)
                //{
                //    dgxlayerlist = sf.DGXlayerlist;
                //    dgj = sf.DGJ;
                //    openflag = true;
                //}
                if (openflag)
                {
                    string dgx1 = string.Empty, dgx2 = string.Empty;
                    if (dgxlayerlist.Count > 0)
                    {
                        if (dgxlayerlist.Count == 1)
                        {
                            dgx1 = dgxlayerlist[0].ToString();
                        }
                        if (dgxlayerlist.Count == 2)
                        {
                            dgx1 = dgxlayerlist[0].ToString();
                            dgx2 = dgxlayerlist[1].ToString();
                        }
                    }

                    using (Transaction tran = doc.TransactionManager.StartTransaction())
                    {
                        
                        //// 以只读方式打开块表记录   Open the Block table record for read
                        BlockTable acbt = tran.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
                        //// 以写方式打开模型空间块表记录   Open the Block table record Model space for write
                        BlockTableRecord acblr = tran.GetObject(acbt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;

                        //设置激活图层
                        LayerTable layertable = tran.GetObject(db.LayerTableId, OpenMode.ForWrite) as LayerTable;
                        if (!layertable.Has("Delete"))
                        {
                            LayerTableRecord ltr = new LayerTableRecord();
                            ltr.Name = "Delete";
                            ObjectId layerid = layertable.Add(ltr);
                            tran.AddNewlyCreatedDBObject(ltr, true);
                            //db.Clayer = layerid;
                        }
                        if (!layertable.Has("8120"))
                        {
                            LayerTableRecord ltr = new LayerTableRecord();
                            ltr.Name = "8120";
                            ObjectId layerid = layertable.Add(ltr);
                            tran.AddNewlyCreatedDBObject(ltr, true);
                            //db.Clayer = layerid;
                        }
                        if (!layertable.Has("8110"))
                        {
                            LayerTableRecord ltr = new LayerTableRecord();
                            ltr.Name = "8110";
                            ObjectId layerid = layertable.Add(ltr);
                            tran.AddNewlyCreatedDBObject(ltr, true);
                            //db.Clayer = layerid;
                        }
                        tran.Commit();
                        tran.Dispose();
                        
                    }
                    PromptSelectionResult psr = doc.Editor.SelectAll();
                    //doc.Editor.WriteMessage("请选择等高线！");
                    //PromptSelectionResult psr = doc.Editor.GetSelection();
                    if (psr.Status == PromptStatus.OK)
                    {
                        
                        SelectionSet ss = psr.Value;
                        foreach (ObjectId oid in ss.GetObjectIds())
                        {
                            using (Transaction tran = doc.TransactionManager.StartTransaction())
                            {
                                BlockTable acbt = tran.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
                                BlockTableRecord acbtr = tran.GetObject(acbt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;

                                Entity en = tran.GetObject(oid, OpenMode.ForWrite) as Entity;

                                if ((en.Layer == dgx1) || (en.Layer == dgx2))
                                {
                                    Polyline pl = new Polyline();
                                    Polyline2d pl2d = new Polyline2d();
                                    double elevation = 99999999;
                                    if (en is Polyline)
                                    {
                                        pl = en as Polyline;
                                        elevation = pl.Elevation;
                                    }
                                    else if (en is Polyline2d)
                                    {
                                        pl2d = en as Polyline2d;
                                        elevation = pl2d.Elevation;
                                    }
                                    if (elevation != 99999999)
                                    {
                                        elevation = Convert.ToDouble(elevation.ToString("f1"));
                                        if (dgj != 0)
                                        {
                                            double remainder = elevation % dgj;
                                            if (remainder != 0.0)
                                            {
                                                en.Layer = "Delete";
                                                en.Color = GrxCAD.Colors.Color.FromColor(System.Drawing.Color.Red);
                                            }
                                            else
                                            {
                                                double remainder2 = elevation % (dgj * 5);
                                                if (remainder2 == 0.0)
                                                {
                                                    en.Layer = "8120";
                                                    en.Color = GrxCAD.Colors.Color.FromColor(System.Drawing.Color.Yellow);
                                                }
                                                else
                                                {
                                                    en.Layer = "8110";
                                                    en.Color = GrxCAD.Colors.Color.FromColor(System.Drawing.Color.White);
                                                }
                                            }
                                        }

                                    }

                                }
                                else
                                    continue;
                                //                            
                                tran.Commit();
                                tran.Dispose();
                            }
                        }
                        doc.Editor.WriteMessage("程序运行结束,谢谢使用");
                        
                    }


                }
                else
                {
                    doc.Editor.WriteMessage("请选择相关参数\r\n");
                }
            //}
            //catch (GrxCAD.Runtime.Exception ex)
            //{
            //    doc.Editor.WriteMessage(ex.ToString());
            //}
                docLock.Dispose();
        }
    }
}