using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.AE;
using System;
using System.Collections.Generic;

namespace KGIS.Plugin.DataChanging.Utility
{
    public static class FeatureOperator
    {
        /// <summary>
        /// 属性变更历史记录
        /// </summary>
        /// <param name="features"></param>
        /// <param name="pEnvelope"></param>
        /// <param name="ActionName"></param>
        /// <returns></returns>
        public static bool SaveEditFeatureToHis(List<IFeature> features, IEnvelope pEnvelope, string ActionName)
        {
            if (features == null || features.Count == 0)
                return false;
            IDataset dataset = features[0].Class as IDataset;
            IFeatureClass hisFeatureClass = GetHisFeatureClass(dataset);
            if (hisFeatureClass != null)
            {
                IFeatureClassAPI featureAPI = new FeatureClassAPI(hisFeatureClass);
                List<K_Field> Fields = featureAPI.GetFields();
                int OID = 0;
                //记录变更动作
                OID = InsertAction(dataset.Workspace, EnumActionType.PropertyEdited, features[0].Class.AliasName, (features[0].Class as FeatureClass).BrowseName, "", pEnvelope, ActionName);
                if (OID == 0)
                    return false;

                foreach (var feature in features)
                {
                    foreach (K_Field item in Fields)
                    {
                        if (item.Name.ToUpper() == "ACTIONID")
                        {
                            item.Value = OID;
                            continue;
                        }
                        int index = feature.Fields.FindField(item.Name);
                        if (index == -1)
                            continue;
                        item.Value = feature.get_Value(index);
                    }
                    featureAPI.AddFeature(Fields);
                }
                return true;
            }
            return false;
        }

        public static IFeatureClass GetHisFeatureClass(IDataset dataset)
        {
            if (dataset != null)
            {
                IWorkspace2 workSpace = dataset.Workspace as IWorkspace2;
                string hisDatasetName = dataset.Name + "_HIS";
                if (workSpace.get_NameExists(esriDatasetType.esriDTFeatureClass, hisDatasetName))
                {
                    IFeatureWorkspace pFeatureWorkspace = workSpace as IFeatureWorkspace;
                    IFeatureClass his = pFeatureWorkspace.OpenFeatureClass(hisDatasetName);
                    //检测是否有历史纪录相关字段，没有则创建
                    AddFiledToExistFeatureClass(his, "OPTIME", esriFieldType.esriFieldTypeString);
                    AddFiledToExistFeatureClass(his, "OPGUID", esriFieldType.esriFieldTypeString);
                    return his;
                }
            }
            return null;
        }

        public static void AddFiledToExistFeatureClass(IFeatureClass featureClass, string fieldName, esriFieldType fieldType)
        {
            if (featureClass.FindField(fieldName) > -1)
                return;
            IClass pClass = featureClass as IClass;
            IFieldsEdit fldsE = featureClass.Fields as IFieldsEdit;
            IField fld = new FieldClass();
            IFieldEdit2 fldE = fld as IFieldEdit2;
            fldE.Type_2 = fieldType;
            fldE.Name_2 = fieldName;
            pClass.AddField(fld);
        }

        /// <summary>
        /// 插入变更动作
        /// </summary>
        public static int InsertAction(IWorkspace pWorkSpace, EnumActionType pActionType, string pOperationLayerName, string layerTableName, string pOIDs, IEnvelope pEnvelope, string ActionName = "", IGeometry geo = null)
        {
            EngineEditorClass editor = new EngineEditorClass();
            ITableAPI tableAPI = null;
            try
            {
                IWorkspaceAPI wkAPI = new WorkspaceAPI(pWorkSpace);
                tableAPI = wkAPI.OpenTable("BGDZB");

                Dictionary<string, object> data = InsertAction(pActionType, pOperationLayerName, layerTableName, pOIDs, pEnvelope, ActionName, geo);
                if (data == null)
                    return 0;
                object OID = tableAPI.AddRow(data);
                return (int)OID;
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (tableAPI != null)
                    tableAPI.CloseTable();
            }
        }

        /// <summary>
        /// 插入变更动作
        /// </summary>
        private static Dictionary<string, object> InsertAction(EnumActionType pActionType, string pOperationLayerName, string layerTableName, string pOIDs, IEnvelope pEnvelope, string ActionName = "", IGeometry geo = null)
        {
            //if (Env.Instance.CurrentActiveBGXM == 0)
            //{
            //    MessageHelper.Show("在进行变更之前，请先创建变更项目或者打开现有变更项目！");
            //    return null;
            //}
            Dictionary<string, object> dic = new Dictionary<string, object>();
            dic.Add("ProjectID", "1");
            if (pActionType == EnumActionType.SplitFeature)
                dic.Add("ActionName", "土地利用-图斑分割");
            if (pActionType == EnumActionType.MerageFeature)
                dic.Add("ActionName", "土地利用-图斑合并");
            if (pActionType == EnumActionType.AddFeature)
                dic.Add("ActionName", "土地利用-新增图斑");
            if (pActionType == EnumActionType.PropertyEdited)
                dic.Add("ActionName", "土地利用-图斑属性修改");
            //判断传入的值是否存在
            if (pActionType == EnumActionType.None)
            {
                dic.Add("ActionName", ActionName);
            }
            dic.Add("OperationLayerName", pOperationLayerName);
            dic.Add("OperationLayerTableName", layerTableName);
            dic.Add("OperationFeatureOIDs", pOIDs);
            dic.Add("XMax", pEnvelope.XMax);
            dic.Add("XMin", pEnvelope.XMin);
            dic.Add("YMax", pEnvelope.YMax);
            dic.Add("YMin", pEnvelope.YMin);
            dic.Add("CreateTime", DateTime.Now);
            dic.Add("OperationUser", "Admin");
            dic.Add("State", 1);
            dic.Add("IsShow", 1);
            if (geo != null)
            {
                dic.Add("SHAPE", geo);
            }
            return dic;
        }
    }

    /// <summary>
    /// 变更动作类型
    /// </summary>
    public enum EnumActionType
    {
        None = 0,
        AddFeature = 1,
        SplitFeature = 2,
        MerageFeature = 3,
        PropertyEdited = 4
    }
}