using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.EngineEditor;
using KGIS.Framework.Maps;
using KGIS.Framework.Platform;
using KGIS.Framework.Utils;
using KGIS.Framework.Utils.Helper;
using KGIS.Framework.Utils.Interface;
using Kingo.PluginServiceInterface;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kingo.Plugin.EngineEditor.Commands.Tools
{
    /// <summary>
    /// 提取任务图斑
    /// </summary>
    public class CmdWithDraw : BaseToolCmd
    {
        private EngineEditorClass editor = new EngineEditorClass();
        private IHookHelper m_hookHelper;
        private IFeatureLayer TargetLayer = null;
        public override void OnCreate(object hook)
        {
            try
            {
                base.OnCreate(hook);
                if (this.m_hookHelper == null)
                {
                    this.m_hookHelper = base.m_pHookHelper;
                }
                editor.OnStopEditing += Editor_OnStopEditing;
                base.OnCreate(hook);
            }
            catch (Exception ex)
            {
                LogAPI.Debug("提取图斑初始化OnCreate异常：" + ex.Message);
            }
        }

        private void Editor_OnStopEditing(bool saveChanges)
        {
            try
            {
                (m_hookHelper.Hook as IMapControl2).CurrentTool = null;
            }
            catch (Exception ex)
            {
                LogAPI.Debug(ex);
            }
        }

        public override void OnClick()
        {
            base.OnClick();
            #region 提取任务图斑
            if (editor != null && (editor as EngineEditorClass).TargetLayer != null)
                TargetLayer = (editor as EngineEditorClass).TargetLayer as IFeatureLayer;
            if (TargetLayer == null || TargetLayer.Name != "外业任务图斑") return;//获取任务图斑图层
            (editor as EngineEditorClass).StartOperation();
            try
            {
                IFeature selectedFeature = null;
                if (m_hookHelper.FocusMap.FeatureSelection is IEnumFeature)
                {
                    IEnumFeature enumFeature = m_hookHelper.FocusMap.FeatureSelection as IEnumFeature;
                    //selectedFeature = enumFeature.Next();
                    while ((selectedFeature = enumFeature.Next()) != null)
                    {
                        if (MessageHelper.ShowYesNoAndTips($"是否从“{((IDataset)selectedFeature.Class).Name}”图层中，提取图斑？") == System.Windows.Forms.DialogResult.Yes)
                        {
                            break;
                        }
                        else
                            selectedFeature = null;
                    }
                    //不从外业任务图斑图层中提取任务图斑(需求暂定)
                    if (selectedFeature == null) return;
                    if (selectedFeature != null && ((IDataset)selectedFeature.Class).Name == "WYRW")
                    {
                        MessageHelper.ShowTips("提取选中要素不能为任务图斑！");
                        return;
                    }
                    IFeatureBuffer targetFeatureBuffer = TargetLayer.FeatureClass.CreateFeatureBuffer();
                    // 复制源要素的几何形状和属性值到目标要素
                    targetFeatureBuffer.Shape = selectedFeature.ShapeCopy;
                    for (int i = 0; i < targetFeatureBuffer.Fields.FieldCount; i++)
                    {
                        IField field = targetFeatureBuffer.Fields.get_Field(i);
                        if (!"JCBH,TBBSM,TBMJ,JCMJ".Contains(field.Name)) continue;
                        if (field.Name.Equals("JCBH"))
                            targetFeatureBuffer.set_Value(i, (MapsManager.Instance.MapService.GetProjectInfo() as ProjectInfo).CODE + "ZZBG" + Guid.NewGuid().ToString().Replace("-", "").Substring(0, 6));
                        else if (field.Name.Equals("TBBSM"))
                            targetFeatureBuffer.set_Value(i, (MapsManager.Instance.MapService.GetProjectInfo() as ProjectInfo).CODE + "ZZBG" + Guid.NewGuid().ToString().Replace("-", "").Substring(0, 6));
                        else if (field.Name.Equals("TBMJ"))
                        {
                            IArea area1 = selectedFeature.ShapeCopy as IArea;
                            targetFeatureBuffer.set_Value(i, Math.Round(area1.Area, 2));
                        }
                        else if (field.Name.Equals("JCMJ"))
                        {
                            IArea area1 = selectedFeature.ShapeCopy as IArea;
                            double JCMJValue = area1.Area / 666.67;//转化为亩
                            targetFeatureBuffer.set_Value(i, Math.Round(JCMJValue, 2));
                        }
                        //if (field.Editable)
                        //    targetFeatureBuffer.set_Value(i, selectedFeature.get_Value(i));
                    }
                    // 插入目标要素到目标图层
                    IFeatureCursor targetFeatureCursor = TargetLayer.FeatureClass.Insert(true);
                    object insertIndex = targetFeatureCursor.InsertFeature(targetFeatureBuffer);
                    targetFeatureCursor.Flush();
                    // 结束事务（可选）
                    (editor as EngineEditorClass).StopOperation("提取任务图斑");
                    (editor as EngineEditorClass).StopEditing(true);
                    Platform.Instance.SendMsg(new NotifyMsgPackage() { MsgType = "WithDrawTBToTreeNode", Content = insertIndex });
                    (m_hookHelper.FocusMap as IActiveView).PartialRefresh(esriViewDrawPhase.esriViewGeography, TargetLayer, null);
                    // 释放资源
                    if (selectedFeature != null)
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(selectedFeature);
                    if (targetFeatureBuffer != null)
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(targetFeatureBuffer);
                    if (targetFeatureCursor != null)
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(targetFeatureCursor);
                    //重新开启编辑，不受保存编辑影响
                    (editor as EngineEditorClass).StartEditing((TargetLayer.FeatureClass as FeatureClass).Workspace, MapsManager.Instance.MapService.getAxMapControl().Map);
                    IEngineEditLayers pEditLayer = editor as IEngineEditLayers;
                    pEditLayer.SetTargetLayer(TargetLayer, 0);
                    MessageHelper.ShowTips("提取任务图斑成功！");
                }
            }
            catch (Exception ex)
            {
                (editor as EngineEditorClass).AbortOperation();
                (editor as EngineEditorClass).StopOperation("提取任务图斑出现异常！");
                LogAPI.Debug("提取任务图斑失败：" + ex);
                MessageHelper.ShowError("提取任务图斑失败" + ex.Message);
            }
            finally
            {
                if (TargetLayer != null)
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(TargetLayer);
            }
            #endregion
        }

        public override bool Enabled
        {
            get
            {
                ILayer layer = (editor as EngineEditorClass).TargetLayer;
                if (editor.EditState == esriEngineEditState.esriEngineStateEditing && layer != null && (layer as IFeatureLayer).FeatureClass.ShapeType == esriGeometryType.esriGeometryPolygon)
                {
                    return Platform.Instance.SystemType == SystemTypeEnum.DTBJK;
                }
                else
                {
                    return false;
                }
            }
        }

    }
}