using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows;
using KGIS.Framework.DBOperator;
using KGIS.Framework.Maps;
using KGIS.Framework.Platform;
using KGIS.Framework.Utils;
using KGIS.Framework.Utils.Dialog;
using KGIS.Framework.Utils.Helper;
using KGIS.Framework.Utils.Utility;
using Kingo.PluginServiceInterface;

namespace Kingo.Plugin.DataDictionary.Views
{
    /// <summary>
    /// FrmDicManager.xaml 的交互逻辑
    /// </summary>
    public partial class FrmDicManageImport : BaseWindow
    {
        public FrmDicManageImport()
        {
            InitializeComponent();
        }

        private void btnBrowse_Click_1(object sender, RoutedEventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog();
            dialog.DefaultExt = "kzd";
            dialog.Filter = "kzd文件(*.kzd)|*.kzd|Excel文件|*.xlsx|Excel文件|*.xls";
            if (dialog.ShowDialog())
            {
                this.txtPath.Text = dialog.FileName;
            }
        }

        private void btnImport_Click_1(object sender, RoutedEventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(txtPath.Text))
                {
                    MessageHelper.Show("未获取到文件路径:" + txtPath.Text);
                    return;
                }
                string path = txtPath.Text;
                if (!File.Exists(path))
                {
                    MessageHelper.Show("文件不存在，请重新选择！");
                    return;
                }
                if (path.EndsWith(".kzd"))
                {
                    string tagrtPath = null;
                    if (MapsManager.Instance.CurrProjectInfo is ProjectInfo)
                    {
                        tagrtPath = (MapsManager.Instance.CurrProjectInfo as ProjectInfo).GetDicDataPath();
                        UpdateTable(path, tagrtPath);
                    }
                    if (string.IsNullOrWhiteSpace(tagrtPath))
                    {
                        tagrtPath = Path.Combine((MapsManager.Instance.CurrProjectInfo as ProjectInfo).GetProjFilePath(), "dic.mdb");
                        File.Copy(path, tagrtPath, true);
                    }
                    GetAllDic(tagrtPath);
                    MessageHelper.Show("字典导入已完成！");
                }
                else if (path.EndsWith(".xls") || path.EndsWith(".xlsx"))
                {
                    #region 支持导入Excel格式的权属单位代码
                    FrmDicManage.frmDicManage.ImportExcel(path);
                    #endregion
                }
                else
                {
                    MessageHelper.Show("字典导入目前仅支持.kzd|.xlsx|.xls格式的数据，请选择正确的文件！");
                    return;
                }
                FrmDicManage.frmDicManage.LoadTree();
                this.Close();
            }
            catch (Exception ex)
            {
                LogAPI.Debug("导入数据字典异常" + ex.Message);
                LogAPI.Debug("导入数据字典异常" + ex.StackTrace);
                MessageHelper.ShowError("导入数据字典异常：" + ex.Message);
            }
        }
        public void Insert_sql(DataTable dic, Dictionary<string, string> dics, IRDBHelper SqlHelper, string Table)
        {
            #region 获取所有字段
            StringBuilder columns = new StringBuilder();
            foreach (var item in dics)
            {
                columns.Append("," + item.Key);
            }
            #endregion

            #region 数据入库
            int CycleIndex = 0;
            StringBuilder insertsql = new StringBuilder();
            StringBuilder strsql = new StringBuilder();
            StringBuilder stringBuilder = new StringBuilder();
            var count = dic.Rows.Count;
            foreach (DataRow item0 in dic.Rows)
            {
                CycleIndex++;
                StringBuilder data = new StringBuilder();//insert语句插入字段
                foreach (var item1 in dics)
                {
                    if (item0[item1.Key].ToString().Trim() == "")
                    {
                        data.Append(",null");
                    }
                    else
                    {
                        data.Append((",'" + item0[item1.Key].ToString().Trim().Replace("'", "''").Replace("\n", "").Replace(" ", "").Replace("\t", "").Replace("\r", "") + "'"));
                    }
                }
                insertsql.Append(string.Format("insert into " + Table + "({0})values({1});", columns.ToString().Substring(1), data.ToString().Substring(1)));
                #region 提交数据
                if (count < 10000)
                {
                    if (CycleIndex < count)
                    {
                        stringBuilder.Append(insertsql.ToString());
                        insertsql.Clear();
                    }
                    else if (CycleIndex == count)
                    {
                        stringBuilder.Append(insertsql.ToString());
                        var num = SqlHelper.ExecuteNonQuery(stringBuilder.ToString(), CommandType.Text);
                        if (num < 0 && stringBuilder.ToString() != "")
                            return;
                    }
                }
                else
                {
                    strsql.Append(insertsql.ToString());
                    insertsql.Clear();
                }
                if (CycleIndex == 10000)
                {
                    try
                    {
                        var num = SqlHelper.ExecuteNonQuery(strsql.ToString(), CommandType.Text);
                        if (num < 0 && strsql.ToString() != "")
                            return;
                        insertsql.Clear();
                        strsql.Clear();
                        count = count - CycleIndex;
                        CycleIndex = 0;
                    }
                    catch (Exception exc)
                    {
                        throw new Exception(exc.Message);
                    }
                    finally
                    {
                        GC.Collect();
                    }
                }
                #endregion
            }
            #endregion
        }

        private void UpdateTable(string path, string tagrtPath)
        {
            if (string.IsNullOrEmpty(path) || string.IsNullOrEmpty(tagrtPath)) return;
            List<string> tableName = new List<string>();
            tableName.Add("Sys_DicDetail");
            tableName.Add("Sys_DicManage");
            tableName.Add("Sys_DicMappingTable");
            tableName.Add("Sys_DicType");

            IRDBHelper dbHelper = RDBFactory.CreateDbHelper(tagrtPath, DatabaseType.SQLite);
            List<string> tables = GetTableNames(tagrtPath);
            for (int i = 0; i < tables.Count; i++)
            {
                if (tables[i].Contains("Sys_DicDetail") || tables[i].Contains("Sys_DicManage") || tables[i].Contains("Sys_DicMappingTable") || tables[i].Contains("Sys_DicType"))
                {
                    dbHelper.ExecuteDatatable(tables[i], $"delete from  {tables[i]}", false);
                    continue;
                }
            }

            IRDBHelper kzdHelper = RDBFactory.CreateDbHelper(path, DatabaseType.SQLite);
            try
            {
                for (int i = 0; i < tableName.Count; i++)
                {
                    DataTable dtRST = kzdHelper.ExecuteDatatable(tableName[i], $"SELECT * FROM {tableName[i]}", false);
                    DataTableToSQLite myTabInfo1 = new DataTableToSQLite(dtRST, path, false);
                    myTabInfo1.ImportToSqliteBatch(dtRST, tagrtPath);
                }
            }
            catch (Exception ex)
            {
                LogAPI.Debug(ex);
                return;
            }
            finally
            {
                if (dbHelper != null && dbHelper.State != System.Data.ConnectionState.Closed)
                    dbHelper.DisConnect();
                if (kzdHelper != null && kzdHelper.State != System.Data.ConnectionState.Closed)
                    kzdHelper.DisConnect();
            }
        }

        private List<string> GetTableNames(string path)
        {
            // 获取指定数据库中的所有表名
            List<string> tables = new List<string>();
            //string connectionString = @"Data Source='" + path + "';Version=3;";
            using (SQLiteConnection conn = new SQLiteConnection("Data Source=" + path))
            {
                conn.Open();
                // 获取数据库中的所有表名
                string sqlTableNames = "select name from sqlite_master where type='table' order by name;";
                // 创建命令对象
                SQLiteCommand cmd = new SQLiteCommand(sqlTableNames, conn);
                using (SQLiteDataReader dr = cmd.ExecuteReader())
                {
                    while (dr.Read())
                    {
                        // 表名
                        tables.Add(dr["Name"].ToString());
                    }
                }
            }
            return tables;
        }
        private List<DataDicTionary> GetAllDic(string dbPath)
        {
            DataTable dt = null;
            List<DataDicTionary> result = new List<DataDicTionary>();
            IRDBHelper rdbHelper = null;
            try
            {
                //string dbPath = (MapsManager.Instance.CurrProjectInfo as ProjectInfo).GetDicDataPath();
                if (!string.IsNullOrWhiteSpace(dbPath))
                {
                    if (dbPath.EndsWith("sqlite"))
                    {
                        rdbHelper = RDBFactory.CreateDbHelper(dbPath, DatabaseType.SQLite);
                    }
                    else if (dbPath.EndsWith("mdb"))
                    {
                        string connStr = SysConfigsOprator.GetDBConnectionByName("MDBOledbConnection");
                        connStr = string.Format(connStr, dbPath);
                        rdbHelper = RDBFactory.CreateDbHelper(connStr, DatabaseType.MSAccess);
                    }
                    string strSQL = "select * from Sys_DicDetail";
                    dt = rdbHelper.ExecuteDatatable("Dic", strSQL, true);
                    if (dt != null)
                    {
                        //Bug-12137 霍岩 2018-11-14 使用CODE字段按顺序排序
                        result = TBToList.ToList<DataDicTionary>(dt).OrderBy(x => x.CODE).ToList();
                        result.ForEach(x => x.DisplayName = x.CODE + "-" + x.NAME);
                    }
                }
            }
            catch (Exception ex)
            {
                LogAPI.Debug(ex);
            }
            finally
            {
                if (rdbHelper != null)
                {
                    rdbHelper.DisConnect();
                }
                if (dt != null)
                {
                    dt.Clear();
                    dt.Dispose();
                }
            }
            return result;
        }
    }
}