using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.Maps;
using KGIS.Framework.Platform;
using KGIS.Framework.Utils;
using Kingo.Plugin.MapView.Interface;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kingo.Plugin.MapView.Commands
{
    public class BaseSnapCommand : ICheckBarItem
    {
        private IHookHelper m_hookHelper;
        private EngineEditorClass m_editor = new EngineEditorClass();
        private IEngineSnapEnvironment snapEnv = null;
        private bool IsChecked = false;
        List<IFeatureLayer> layers = new List<IFeatureLayer>();
        public virtual ESRI.ArcGIS.Geometry.esriGeometryHitPartType HitPartType { get { return ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartNone; } }

        public bool Checked
        {
            get
            {
                if (snapEnv.SnapAgentCount != 0)
                {
                    //List<IFeatureLayer> layers = GetVisibleLayer(m_hookHelper.FocusMap);
                    //layers = FrmSnapSetting.checkedLayers;
                    //若未进行捕捉设置，则获取当前显示图层
                    if (layers.Count <= 0)
                    {
                        layers = MapsManager.Instance.MapService.GetAllVisibleLayerInMap<IFeatureLayer>();
                    }
                    if (layers.Count != snapEnv.SnapAgentCount)
                    {
                        ESRI.ArcGIS.Geometry.esriGeometryHitPartType partType = (snapEnv.get_SnapAgent(0) as IEngineFeatureSnapAgent).HitType;
                        snapEnv.ClearSnapAgents();
                        foreach (IFeatureLayer item in layers)
                        {
                            IEngineFeatureSnapAgent featureSnapAgent = new EngineFeatureSnap();
                            featureSnapAgent.FeatureClass = item.FeatureClass;
                            featureSnapAgent.HitType = partType;
                            snapEnv.AddSnapAgent(featureSnapAgent);
                        }
                    }
                }
                return IsChecked;
            }
        }

        public virtual void OnCreate(object hook)
        {
            try
            {
                snapEnv = (IEngineSnapEnvironment)m_editor;
                if (hook == null)
                {
                    return;
                }
                if (m_hookHelper == null)
                {
                    m_hookHelper = new HookHelper();
                    m_hookHelper.Hook = hook;
                }

                if (m_hookHelper.ActiveView == null)
                {
                    m_hookHelper = null;
                    return;
                }
                layers = null;
            }
            catch (Exception ex)
            {
                LogAPI.Debug("加载 BaseSnap 类时失败，异常原因: " + ex + " ; ");
                m_hookHelper = null;
            }
        }

        private IMapService _MapService;

        public virtual void OnClick()
        {
            try
            {
                snapEnv.SnapTolerance = 15;
                this.IsChecked = !this.IsChecked;
                if (this.IsChecked)
                {
                    layers = MapsManager.Instance.MapService.GetAllVisibleLayerInMap<IFeatureLayer>();
                    //layers = FrmSnapSetting.checkedLayers;
                    if (layers.Count <= 0)
                    {
                        layers = MapsManager.Instance.MapService.GetAllVisibleLayerInMap<IFeatureLayer>();
                    }
                    if (snapEnv.SnapAgentCount != layers.Count)
                    {
                        snapEnv.ClearSnapAgents();
                        foreach (IFeatureLayer item in layers)
                        {
                            IEngineFeatureSnapAgent featureSnapAgent = new EngineFeatureSnap();
                            featureSnapAgent.FeatureClass = item.FeatureClass;
                            featureSnapAgent.HitType = HitPartType;
                            snapEnv.AddSnapAgent(featureSnapAgent);
                        }
                    }
                    else
                    {
                        for (int i = 0; i < snapEnv.SnapAgentCount; i++)
                        {
                            IEngineFeatureSnapAgent featureSnapAgent = snapEnv.get_SnapAgent(i) as IEngineFeatureSnapAgent;
                            if (featureSnapAgent != null && (featureSnapAgent.HitType & HitPartType) != HitPartType)
                            {
                                featureSnapAgent.HitType = featureSnapAgent.HitType | HitPartType;
                            }
                        }
                    }
                }
                else
                {
                    if (snapEnv.SnapAgentCount > 0)
                    {
                        IEngineFeatureSnapAgent featureSnapAgent = snapEnv.get_SnapAgent(0) as IEngineFeatureSnapAgent;
                        if (featureSnapAgent != null && (featureSnapAgent.HitType & HitPartType) == HitPartType)
                        {
                            if ((featureSnapAgent.HitType ^ HitPartType) == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartNone)
                            {
                                snapEnv.ClearSnapAgents();
                            }
                            else
                            {
                                for (int i = 0; i < snapEnv.SnapAgentCount; i++)
                                {
                                    IEngineFeatureSnapAgent snapAgent = snapEnv.get_SnapAgent(i) as IEngineFeatureSnapAgent;
                                    if (snapAgent != null && (snapAgent.HitType & HitPartType) == HitPartType)
                                    {
                                        snapAgent.HitType = snapAgent.HitType ^ HitPartType;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                LogAPI.Debug(ex);
            }
            finally
            {

            }
        }
        //public virtual void OnClick()
        //{
        //    try
        //    {
        //        _MapService = Platform.Instance.MapsService;

        //        IPoint IPointNow = m_editor.LastPoint;

        //        //double dX = IPointNow.X;
        //        //double dY = IPointNow.Y;

        //        int iMark = 0;

        //        if (iMark == 1)
        //        {
        //            OnClickReal();
        //            return;
        //        }

        //        snapEnv.SnapTolerance = 15;
        //        this.IsChecked = !this.IsChecked;
        //        if (this.IsChecked)//点击了
        //        {
        //            layers = KGIS.Framework.AE.IFeatureLayerAPI.GetLayers(m_hookHelper.FocusMap, ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryNull, true);
        //            //if (snapEnv.SnapAgentCount != layers.Count)
        //            //{
        //            int iCTemp1 = snapEnv.SnapAgentCount;
        //            snapEnv.ClearSnapAgents();
        //            int iCTemp2 = snapEnv.SnapAgentCount;
        //            foreach (IFeatureLayer item in layers)
        //            {
        //                //public static IPoint getSnapPoint(AxMapControl mainMap, IPoint QueryPoint, IFeatureLayer pFeatureLayer, string snapStyle)

        //                if(IPointNow!=null)
        //                {
        //                    var v1 = (m_hookHelper.Hook as AxMapControl);
        //                    var v2 = (m_hookHelper as AxMapControl);
        //                    var v3 = (_MapService.getAxMapControl() as AxMapControl);

        //                    IPoint ipO = GetSnapPointBZ.getSnapPoint(v3, IPointNow, item, "线中点");
        //                    snapEnv.SnapPoint(ipO);
        //                }

        //                IEngineFeatureSnapAgent featureSnapAgent = new EngineFeatureSnap();
        //                featureSnapAgent.FeatureClass = item.FeatureClass;
        //                featureSnapAgent.HitType = HitPartType;
        //                snapEnv.AddSnapAgent(featureSnapAgent);
        //            }

        //            m_hookHelper.ActiveView.Refresh();//刷新图层

        //            //}
        //            //else
        //            //{
        //            //    for (int i = 0; i < snapEnv.SnapAgentCount; i++)
        //            //    {
        //            //        IEngineFeatureSnapAgent featureSnapAgent = snapEnv.get_SnapAgent(i) as IEngineFeatureSnapAgent;
        //            //        if (featureSnapAgent != null)
        //            //        {
        //            //            featureSnapAgent.HitType = ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartMidpoint;
        //            //        }
        //            //    }
        //            //}
        //        }
        //        else
        //        {
        //            if (snapEnv.SnapAgentCount > 0)
        //            {
        //                snapEnv.ClearSnapAgents();
        //            }
        //        }
        //    }
        //    catch (Exception ex)
        //    {
        //        LogAPI.Debug(ex);
        //    }
        //    finally
        //    {

        //    }
        //}

        public virtual void OnClickReal()
        {
            snapEnv.SnapTolerance = 150;
            this.IsChecked = !this.IsChecked;
            if (this.IsChecked)//点击了
            {
                layers = MapsManager.Instance.MapService.GetAllVisibleLayerInMap<IFeatureLayer>();
                if (snapEnv.SnapAgentCount != layers.Count)
                {
                    snapEnv.ClearSnapAgents();
                    foreach (IFeatureLayer item in layers)
                    {
                        IEngineFeatureSnapAgent featureSnapAgent = new EngineFeatureSnap();
                        featureSnapAgent.FeatureClass = item.FeatureClass;
                        featureSnapAgent.HitType = HitPartType;
                        snapEnv.AddSnapAgent(featureSnapAgent);
                    }
                }
                else
                {
                    for (int i = 0; i < snapEnv.SnapAgentCount; i++)
                    {
                        IEngineFeatureSnapAgent featureSnapAgent = snapEnv.get_SnapAgent(i) as IEngineFeatureSnapAgent;

                        //LogAPI.Debug("featureSnapAgent.HitType 为 " + featureSnapAgent.HitType + " ; ");
                        //LogAPI.Debug("HitPartType 为 " + HitPartType + " ; ");

                        //var vTemp11 = featureSnapAgent.HitType & HitPartType;
                        //LogAPI.Debug("featureSnapAgent.HitType & HitPartType 为 " + vTemp11 + " ; ");

                        //var vTemp12 = featureSnapAgent.HitType | HitPartType;
                        //LogAPI.Debug("featureSnapAgent.HitType | HitPartType 为 " + vTemp12 + " ; ");


                        //bool b11 = (featureSnapAgent.HitType & HitPartType) != HitPartType;
                        //LogAPI.Debug(" (featureSnapAgent.HitType & HitPartType) != HitPartType 为 " + b11 + " ; ");


                        if (featureSnapAgent != null && (featureSnapAgent.HitType & HitPartType) != HitPartType)
                        {
                            featureSnapAgent.HitType = featureSnapAgent.HitType | HitPartType;

                            //if(featureSnapAgent.HitType== ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartBoundary)
                            //{
                            //    int i55 = 1;
                            //}

                            //if (featureSnapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartVertex)
                            //{
                            //    int i55 = 1;
                            //}

                            //if (featureSnapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartEndpoint)
                            //{
                            //    int i55 = 1;
                            //}

                            //if (featureSnapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartMidpoint)
                            //{
                            //    int i55 = 1;
                            //}
                        }
                    }
                }
            }
            else//未点击
            {
                if (snapEnv.SnapAgentCount > 0)
                {
                    IEngineFeatureSnapAgent featureSnapAgent = snapEnv.get_SnapAgent(0) as IEngineFeatureSnapAgent;

                    //LogAPI.Debug("featureSnapAgent.HitType 为 " + featureSnapAgent.HitType + " ; ");
                    //LogAPI.Debug("HitPartType 为 " + HitPartType + " ; ");

                    //var vTemp21 = featureSnapAgent.HitType ^ HitPartType;
                    //LogAPI.Debug("featureSnapAgent.HitType ^ HitPartType 为 " + vTemp21 + " ; ");

                    //var b21 = (featureSnapAgent.HitType & HitPartType) == HitPartType;
                    //LogAPI.Debug(" (featureSnapAgent.HitType & HitPartType) == HitPartType 为 " + b21 + " ; ");

                    if (featureSnapAgent != null && (featureSnapAgent.HitType & HitPartType) == HitPartType)
                    {
                        //var vTemp22 = featureSnapAgent.HitType ^ HitPartType;
                        //LogAPI.Debug("featureSnapAgent.HitType ^ HitPartType 为 " + vTemp22 + " ; ");

                        if ((featureSnapAgent.HitType ^ HitPartType) == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartNone)
                        {
                            snapEnv.ClearSnapAgents();
                        }
                        else
                        {
                            for (int i = 0; i < snapEnv.SnapAgentCount; i++)
                            {
                                IEngineFeatureSnapAgent snapAgent = snapEnv.get_SnapAgent(i) as IEngineFeatureSnapAgent;

                                //var vTemp23 = snapAgent.HitType & HitPartType;
                                //LogAPI.Debug("snapAgent.HitType & HitPartType 为 " + vTemp23 + " ; ");

                                //var b22 = (snapAgent.HitType & HitPartType) == HitPartType;
                                //LogAPI.Debug(" (snapAgent.HitType & HitPartType) == HitPartType 为 " + b22 + " ; ");

                                if (snapAgent != null && (snapAgent.HitType & HitPartType) == HitPartType)
                                {
                                    //var vTemp24 = snapAgent.HitType ^ HitPartType;
                                    //LogAPI.Debug("snapAgent.HitType ^ HitPartType 为 " + vTemp24 + " ; ");

                                    snapAgent.HitType = snapAgent.HitType ^ HitPartType;

                                    //if (snapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartBoundary)
                                    //{
                                    //    int i55 = 1;
                                    //}

                                    //if (snapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartVertex)
                                    //{
                                    //    int i55 = 1;
                                    //}

                                    //if (snapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartEndpoint)
                                    //{
                                    //    int i55 = 1;
                                    //}

                                    //if (snapAgent.HitType == ESRI.ArcGIS.Geometry.esriGeometryHitPartType.esriGeometryPartMidpoint)
                                    //{
                                    //    int i55 = 1;
                                    //}
                                }
                            }
                        }
                    }
                }
            }
        }

        public int Bitmap
        {
            get { return 0; }
        }

        public string Caption
        {
            get { return ""; }
        }

        public string Category
        {
            get { return ""; }
        }

        public bool Enabled
        {
            get { return m_editor.EditState == esriEngineEditState.esriEngineStateEditing; }
        }

        public int HelpContextID
        {
            get { return 0; }
        }

        public string HelpFile
        {
            get { return ""; }
        }

        public string Message
        {
            get { return ""; }
        }

        public string Name
        {
            get { return ""; }
        }

        public virtual string Tooltip
        {
            get { return ""; }
        }
        #region 获取所有可见图层
        ///// <summary>
        ///// 获取当前地图中可见的矢量图层
        ///// </summary>
        ///// <param name="pMap"></param>
        ///// <returns></returns>
        //private List<IFeatureLayer> GetVisibleLayer(IMap pMap)
        //{
        //    List<IFeatureLayer> result = new List<IFeatureLayer>();
        //    if (pMap == null)
        //        return result;
        //    try
        //    {
        //        for (int i = 0; i < pMap.LayerCount; i++)
        //        {
        //            ILayer layer = pMap.get_Layer(i);
        //            if (layer is IFeatureLayer)
        //            {
        //                if ((layer as IFeatureLayer).Visible)
        //                {
        //                    result.Add(layer as IFeatureLayer);
        //                }
        //            }
        //            else if (layer is ICompositeLayer)
        //            {
        //                if ((layer as IGroupLayer).Visible)
        //                {
        //                    result.AddRange(GetVisibleLayerByGroupLayer(layer as ICompositeLayer));
        //                }
        //            }
        //        }
        //    }
        //    catch (Exception ex)
        //    {
        //        LogAPI.Debug("获取当前地图中可见的矢量图层时失败，异常原因:" + ex + " ; ");
        //    }
        //    return result;
        //}

        //private List<IFeatureLayer> GetVisibleLayerByGroupLayer(ICompositeLayer pGroupLayer)
        //{
        //    List<IFeatureLayer> result = new List<IFeatureLayer>();
        //    if (pGroupLayer != null && pGroupLayer.Count > 0)
        //    {
        //        for (int i = 0; i < pGroupLayer.Count; i++)
        //        {
        //            ILayer layer = pGroupLayer.get_Layer(i);
        //            if (layer is IAnnotationLayer)
        //            {

        //            }
        //            else if (layer is IGroupLayer)
        //            {
        //                if ((layer as IGroupLayer).Visible)
        //                {
        //                    result.AddRange(GetVisibleLayerByGroupLayer(layer as ICompositeLayer));
        //                }
        //            }
        //            else
        //            {
        //                if (layer is IFeatureLayer)
        //                {
        //                    if ((layer as IFeatureLayer).Visible)
        //                    {
        //                        result.Add((IFeatureLayer)layer);
        //                    }
        //                }
        //            }
        //        }
        //    }
        //    return result;
        //}
        #endregion

    }
}