using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using DevExpress.Xpf.Grid;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.DBOperator;
using KGIS.Framework.Maps;
using KGIS.Framework.Platform;
using KGIS.Framework.Utils;
using KGIS.Framework.Views;
using KGIS.Framework.Utils.Helper;
using KGIS.Framework.Utils.Interface;
using KGIS.Framework.AE;
using ReactiveUI;
using System.Runtime.InteropServices;

namespace Kingo.Plugin.ResultsOfProof.ViewModel
{
    public class JZTBXXBRelation
    {
        public int OID { get; set; }
        public string BSM { get; set; }
        /// <summary>
        /// 地类编码
        /// </summary>
        public string DLBM { get; set; }
        /// <summary>
        /// 地类名称
        /// </summary>
        public string DLMC { get; set; }
        /// <summary>
        /// 编辑状态
        /// </summary>
        public bool EditState { get; set; }

        public bool ISGXBSM { get; set; }
    }

    public class BGJZTBXXBRelationViewModel : ReactiveObject
    {
        public string JCBH { get; set; }
        public string BGDL { get; set; }
        private string _BtnContent = "图上选取图斑标识码";
        public string btnContent { get { return _BtnContent; } set { this.RaiseAndSetIfChanged(ref _BtnContent, value); } }
        public DataTable dltbData { get; set; }

        /// <summary>
        /// 界面Grid绑定数据
        /// </summary>
        private BindingList<JZTBXXBRelation> items = null;
        public BindingList<JZTBXXBRelation> Items { get { return items; } set { this.RaiseAndSetIfChanged(ref items, value); } }
        public BindingList<JZTBXXBRelation> ItemsCopyInit { get; set; }

        public JZTBXXBRelation currentItem = null;
        public JZTBXXBRelation CurrentItem { get { return currentItem; } set { this.RaiseAndSetIfChanged(ref currentItem, value); } }
        public ReactiveCommand<object> AddFJCommand { get; private set; }
        public ReactiveCommand<object> DeleteRowCommand { get; private set; }
        public ReactiveCommand<object> ConirmCommand { get; set; }
        public ReactiveCommand<object> CancelCommand { get; set; }
        public ReactiveCommand<object> NextDataCommand { get; private set; }
        public ReactiveCommand<object> PrevDataCommand { get; private set; }
        public ReactiveCommand<MouseButtonEventArgs> GC_MouseLeftButtonUpCmd { get; private set; }
        private IFeatureLayer JZTB_FC = null;
        private IFeatureLayer DLTB_FC = null;
        private IFeatureLayer DLTBGX_FC = null;
        private object Hook = null;
        private IMapControl4 m_mapCtrl;
        private bool IsStartAddFJ = false;

        private int OID { get; set; }
        public BGJZTBXXBRelationViewModel(int pOID, object pHook = null)
        {
            try
            {
                Hook = pHook;
                m_mapCtrl = (IMapControl4)Hook;
                CreateCommand();
                if (pOID == 0) return;
                OID = pOID;
                JZTB_FC = MapsManager.Instance.MapService.GetFeatureLayerByName("JCTB");
                DLTB_FC = MapsManager.Instance.MapService.GetFeatureLayerByLayerName("地类图斑");
                DLTBGX_FC = MapsManager.Instance.MapService.GetFeatureLayerByName("DLTBGX");
                

            }
            catch (Exception ex)
            {
                LogAPI.Debug("人工校验失败：" + ex.Message);
                MessageHelper.ShowError(ex.Message);
            }
            finally
            {
                //if (cursor != null)
                //{
                //    Marshal.ReleaseComObject(cursor);
                //}
            }
        }

        public void SetData(int pOID)
        {
            ICursor cursor = null;
            try
            {
                if (pOID == 0) return;
                OID = pOID;
                IFeature feature = JZTB_FC.FeatureClass.GetFeature(pOID);
                //获取举证图斑预编号
                //JCBH = feature.Value[feature.Fields.FindField("JCBH")].ToString();
                //BGDL = feature.Value[feature.Fields.FindField("BGDL")].ToString();
                JCBH = feature.Value[feature.Fields.FindField("JCBH")].ToString();
                int idx = feature.Fields.FindField("BGDL");
                if (idx != -1)
                    BGDL = feature.Value[feature.Fields.FindField("BGDL")].ToString();
                //获取举证图斑关联建库标识码
                string JKBSM = feature.Value[feature.Fields.FindField("DYTBBSM")].ToString();

                IQueryFilter queryFilter = new QueryFilterClass();
                queryFilter.WhereClause = string.Format("BSM in ('{0}')", JKBSM.Replace(",", "','"));

                Items = new BindingList<JZTBXXBRelation>();
                ItemsCopyInit = new BindingList<JZTBXXBRelation>();
                int objidIndex = DLTBGX_FC.FeatureClass.Fields.FindField("OBJECTID");
                int bsmIndex = DLTBGX_FC.FeatureClass.Fields.FindField("BSM");
                int dltbIndex = DLTBGX_FC.FeatureClass.Fields.FindField("DLBM");
                int dlmcIndex = DLTBGX_FC.FeatureClass.Fields.FindField("DLMC");
                cursor = (DLTBGX_FC.FeatureClass as ITable).Search(queryFilter, true);
                IRow row = null;
                while ((row = cursor.NextRow()) != null)
                {
                    JZTBXXBRelation jztbxxb = new JZTBXXBRelation()
                    {
                        OID = row.get_Value(objidIndex) == null ? 0 : (int)row.get_Value(objidIndex),
                        BSM = row.get_Value(bsmIndex) == null ? "" : row.get_Value(bsmIndex).ToString(),
                        DLBM = row.get_Value(dltbIndex) == null ? "" : row.get_Value(dltbIndex).ToString(),
                        DLMC = row.get_Value(dlmcIndex) == null ? "" : row.get_Value(dlmcIndex).ToString(),
                        ISGXBSM = true
                    };
                    Items.Add(jztbxxb);
                    ItemsCopyInit.Add(jztbxxb);
                    Marshal.ReleaseComObject(row);
                }

                int jcobjidIndex = DLTB_FC.FeatureClass.Fields.FindField("OBJECTID");
                int jcbsmIndex = DLTB_FC.FeatureClass.Fields.FindField("BSM");
                int jcdltbIndex = DLTB_FC.FeatureClass.Fields.FindField("DLBM");
                int jcdlmcIndex = DLTB_FC.FeatureClass.Fields.FindField("DLMC");
                cursor = (DLTB_FC.FeatureClass as ITable).Search(queryFilter, true);
                IRow jcrow = null;
                while ((jcrow = cursor.NextRow()) != null)
                {
                    string bsm = jcrow.get_Value(bsmIndex) == null ? "" : jcrow.get_Value(bsmIndex).ToString();
                    var list = items.Where(x => x.BSM == bsm).ToList();
                    if (list != null && list.Count != 0)
                    {
                        continue;
                    }
                    JZTBXXBRelation jztbxxb = new JZTBXXBRelation()
                    {
                        OID = jcrow.get_Value(jcobjidIndex) == null ? 0 : (int)jcrow.get_Value(jcobjidIndex),
                        BSM = jcrow.get_Value(jcbsmIndex) == null ? "" : jcrow.get_Value(jcbsmIndex).ToString(),
                        DLBM = jcrow.get_Value(jcdltbIndex) == null ? "" : jcrow.get_Value(jcdltbIndex).ToString(),
                        DLMC = jcrow.get_Value(jcdlmcIndex) == null ? "" : jcrow.get_Value(jcdlmcIndex).ToString(),
                        ISGXBSM = false
                    };
                    Items.Add(jztbxxb);
                    ItemsCopyInit.Add(jztbxxb);
                    Marshal.ReleaseComObject(jcrow);
                }
            }
            catch (Exception ex)
            {
                LogAPI.Debug("人工校验失败：" + ex.Message);
                MessageHelper.ShowError(ex.Message);
            }
            finally
            {
                if (cursor != null)
                {
                    Marshal.ReleaseComObject(cursor);
                }
            }
        }

        private void CreateCommand()
        {
            try
            {
                DrawParams param = new DrawParams();
                param.enumDrawMode = EnumDrawMode.DrawRect;
                CustomDrawTool customDraw = new CustomDrawTool(param);
                customDraw.DoContinue += CustomDraw_DoContinue1;
                customDraw.OnCreate(m_mapCtrl.Object);
                NextDataCommand = ReactiveCommand.Create();
                NextDataCommand.Subscribe(_ =>
                {
                    //通知内业会审列表视图进行显示下一条数据
                    Platform.Instance.SendMsg(new NotifyMsgPackage() { Content = "NextData", MsgType = "JZTBXXBRelationView" });
                });
                PrevDataCommand = ReactiveCommand.Create();
                PrevDataCommand.Subscribe(_ =>
                {
                    //通知内业会审列表视图进行显示上一条数据
                    Platform.Instance.SendMsg(new NotifyMsgPackage() { Content = "PrevData", MsgType = "JZTBXXBRelationView" });

                });
                AddFJCommand = ReactiveCommand.Create();
                AddFJCommand.Subscribe(x =>
                {
                    if (IsStartAddFJ)
                    {
                        IsStartAddFJ = !IsStartAddFJ;
                        m_mapCtrl.CurrentTool = null;
                        btnContent = "图上选取图斑标识码";
                        return;
                    }
                    else
                    {
                        IsStartAddFJ = !IsStartAddFJ;
                        m_mapCtrl.CurrentTool = customDraw;
                        btnContent = "停止选取";
                    }
                });
                DeleteRowCommand = ReactiveCommand.Create();
                DeleteRowCommand.Subscribe(x =>
                {
                    if (CurrentItem != null)
                    {
                        string bsm = CurrentItem.BSM;
                        JZTBXXBRelation tbfj = Items.ToList().Find(p => p.BSM == bsm);
                        if (tbfj != null)
                        {
                            Items.Remove(tbfj);
                            RemoveElementByName(bsm, "TempDLTBGrapLayer");
                        }
                    }
                });
                ConirmCommand = ReactiveCommand.Create();
                ConirmCommand.Subscribe(x =>
                {
                    IsStartAddFJ = !IsStartAddFJ;
                    m_mapCtrl.CurrentTool = null;
                    btnContent = "图上选取图斑标识码";
                    string jkbsm = string.Empty;
                    string jkdlbm = string.Empty;
                    foreach (JZTBXXBRelation item in Items)
                    {
                        JZTBXXBRelation temp = ItemsCopyInit.FirstOrDefault(f => f.BSM == item.BSM);
                        if (temp != null)
                            ItemsCopyInit.Remove(temp);
                        jkbsm += "," + item.BSM;
                        jkbsm = jkbsm.Trim(',');
                        if (!jkdlbm.Contains(item.DLBM))
                            jkdlbm += "," + item.DLBM;
                        jkdlbm = jkdlbm.Trim(',');
                    }
                    IFeature feature = JZTB_FC.FeatureClass.GetFeature(OID);
                    feature.set_Value(feature.Fields.FindField("DYTBBSM"), jkbsm);
                    feature.set_Value(feature.Fields.FindField("JZDLBM"), jkdlbm);
                    feature.Store();
                    Platform.Instance.SendMsg(new NotifyMsgPackage() { Content = "RefreshListData", MsgType = "JZTBXXBRelationView" });
                });
                CancelCommand = ReactiveCommand.Create();
                CancelCommand.Subscribe(x =>
                {
                    IsStartAddFJ = !IsStartAddFJ;
                    m_mapCtrl.CurrentTool = null;
                    btnContent = "图上选取图斑标识码";
                });
                GC_MouseLeftButtonUpCmd = ReactiveCommand.Create<MouseButtonEventArgs>();
                GC_MouseLeftButtonUpCmd.Subscribe(_ =>
                {
                    TableViewMouseLeftButtonUp(_);
                });
            }
            catch (Exception ex)
            {
                LogAPI.Debug(ex);
            }
        }

        public void TableViewMouseLeftButtonUp(MouseButtonEventArgs e)
        {
            try
            {
                IFeature feature = null;
                if (CurrentItem != null)
                {
                    System.Windows.Point p = Mouse.GetPosition(e.Source as FrameworkElement);
                    if (p.X > 0)
                    {
                        if (CurrentItem is JZTBXXBRelation)
                        {
                            int oid = (CurrentItem as JZTBXXBRelation).OID;
                            if (oid == 0) return;

                            bool isgxbsm = (CurrentItem as JZTBXXBRelation).ISGXBSM;
                            if (isgxbsm == true)
                            {
                                feature = this.DLTBGX_FC.FeatureClass.GetFeature(oid);
                                if (feature == null || feature.Shape.IsEmpty)
                                {
                                    MessageHelper.ShowError("图形为空，定位失败！");
                                    return;
                                }
                            }
                            else
                            {
                                feature = this.DLTB_FC.FeatureClass.GetFeature(oid);
                                if (feature == null || feature.Shape.IsEmpty)
                                {
                                    MessageHelper.ShowError("图形为空，定位失败！");
                                    return;
                                }
                            }
                            MapsManager.Instance.MapService.FlashShape(Hook as IMapControlDefault, feature.ShapeCopy, 2);
                        }
                    }
                    else
                    {
                        return;
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        private void CustomDraw_DoContinue1(ESRI.ArcGIS.Geometry.IGeometry pGeo)
        {
            try
            {

                if (DLTBGX_FC != null)
                {
                    int GXBSM_index = DLTBGX_FC.FeatureClass.Fields.FindField("BSM");
                    int GXDLBM_index = DLTBGX_FC.FeatureClass.Fields.FindField("DLBM");
                    int GXDLMC_index = DLTBGX_FC.FeatureClass.Fields.FindField("DLMC");
                    List<JZTBXXBRelation> fjlist = Items.ToList();
                    List<IFeature> gxfeatures = FeatureAPI.Identify(pGeo, DLTBGX_FC);
                    if (gxfeatures != null)
                    {
                        string bsm = string.Empty;
                        string dlbm = string.Empty;
                        string dlmc = string.Empty;
                        foreach (IFeature item in gxfeatures)
                        {
                            int OID = item.OID;

                            if (GXBSM_index != -1)
                            {
                                bsm = item.Value[GXBSM_index].ToString();
                            }
                            if (GXDLBM_index != -1)
                            {
                                dlbm = item.Value[GXDLBM_index].ToString();
                            }
                            if (GXDLMC_index != -1)
                            {
                                dlmc = item.Value[GXDLMC_index].ToString();
                            }
                            JZTBXXBRelation tbfj = fjlist.Find(p => p.BSM == bsm);
                            if (tbfj == null)
                            {
                                Items.Add(new JZTBXXBRelation() { OID = OID, BSM = bsm, DLBM = dlbm, DLMC = dlmc, ISGXBSM = true });
                                DrawPolygonElement(item.ShapeCopy, bsm);
                            }
                            else
                            {
                                items.Remove(tbfj);
                                RemoveElementByName(bsm, "TempDLTBGrapLayer");
                            }
                        }
                    }
                }

                if (DLTB_FC != null)
                {
                    int BSM_index = DLTB_FC.FeatureClass.Fields.FindField("BSM");
                    int DLBM_index = DLTB_FC.FeatureClass.Fields.FindField("DLBM");
                    int DLMC_index = DLTB_FC.FeatureClass.Fields.FindField("DLMC");
                    List<JZTBXXBRelation> fjlist = Items.ToList();
                    List<IFeature> features = FeatureAPI.Identify(pGeo, DLTB_FC);
                    if (features != null)
                    {
                        string bsm = string.Empty;
                        string dlbm = string.Empty;
                        string dlmc = string.Empty;
                        foreach (IFeature item in features)
                        {
                            int OID = item.OID;

                            if (BSM_index != -1)
                            {
                                bsm = item.Value[BSM_index].ToString();
                            }
                            if (DLBM_index != -1)
                            {
                                dlbm = item.Value[DLBM_index].ToString();
                            }
                            if (DLMC_index != -1)
                            {
                                dlmc = item.Value[DLMC_index].ToString();
                            }
                            JZTBXXBRelation tbfj = fjlist.Find(p => p.BSM == bsm);
                            if (tbfj == null)
                            {
                                var list = items.Where(x => x.BSM == bsm).ToList();
                                if (list != null && list.Count != 0)
                                {
                                    continue;
                                }
                                Items.Add(new JZTBXXBRelation() { OID = OID, BSM = bsm, DLBM = dlbm, DLMC = dlmc, ISGXBSM = false });
                                DrawPolygonElement(item.ShapeCopy, bsm);
                            }
                            else
                            {
                                items.Remove(tbfj);
                                RemoveElementByName(bsm, "TempDLTBGrapLayer");
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                MessageHelper.ShowError("选取图斑标识码失败！");
            }
        }

        private void DrawPolygonElement(IGeometry pGeo, string pName)
        {
            ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
            pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
            //设置线宽和线的颜色
            ISimpleLineSymbol pLineSymbol = new SimpleLineSymbolClass();
            pLineSymbol.Color = Symbol.GetRGBColor(255, 0, 0);
            pLineSymbol.Width = 1;
            pSimpleFillSymbol.Outline = pLineSymbol;
            PolygonElementClass element = new PolygonElementClass();
            element.Name = pName;
            element.Symbol = pSimpleFillSymbol;
            element.Geometry = pGeo;
            IGraphicsLayer grapLayer = GetSubGraphicsLayer("TempDLTBGrapLayer", true);
            (grapLayer as IGraphicsContainer).AddElement(element, 0);
            IMapControlDefault mapControl = Hook as IMapControlDefault;
            if (mapControl != null)
            {
                mapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, mapControl.ActiveView.Extent);

            }
        }

        public IGraphicsLayer GetSubGraphicsLayer(string subgraphicsLayername, bool IsAdd = false)
        {

            ICompositeGraphicsLayer pCompositeGLayer = MapsManager.Instance.MapService.getAxMapControl().Map.BasicGraphicsLayer as ICompositeGraphicsLayer;
            IGraphicsLayer pGLayer = null;
            try
            {
                //查找是否已存在,如果不存在,跳转到catch内容.
                //如果查到不到,说明集合中并没有指定名称的graphicslayer
                pGLayer = pCompositeGLayer.FindLayer(subgraphicsLayername);
            }
            catch
            {
                if (IsAdd)
                {
                    //若不存在,则添加一个指定名称的GraphicsLayer
                    pGLayer = pCompositeGLayer.AddLayer(subgraphicsLayername, null);
                }
            }

            return pGLayer;
        }

        private void RemoveElementByName(string pName, string pGrapLayer)
        {
            IGraphicsLayer layer = GetSubGraphicsLayer(pGrapLayer);
            if (layer == null)
                return;
            IGraphicsContainer pGraphic = layer as IGraphicsContainer;
            if (pGraphic == null)
                return;
            IElement pElement = null;
            pGraphic.Reset();
            while ((pElement = pGraphic.Next()) != null)
            {
                IElementProperties pd = pElement as IElementProperties;
                if (pd.Name == pName)
                {
                    pGraphic.DeleteElement(pElement);
                    break;
                }
            }

            IMapControlDefault mapControl = Hook as IMapControlDefault;
            if (mapControl != null)
            {
                mapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, mapControl.ActiveView.Extent);
            }

        }
    }
}