using System;
using System.Data;
using System.Collections.Generic;
using System.Text;
using DSWeb.SoftMng.Models.MsSysTable;
using Microsoft.Practices.EnterpriseLibrary.Data;
using DSWeb.Areas.CommMng.Models;
using HcUtility.Comm;
using System.Web;
using DSWeb.EntityDA;

namespace DSWeb.SoftMng.DAL.SoftSysTable
{
    public class MsSoftSysTableDAL
    {
        #region Inquery DataList

        static public List<sys_table> GetDataList(string strCondition, string sort = null)
        {
            var strSql = new StringBuilder();
            strSql.Append("SELECT [GID],[TBLNAME],[TBLCNAME],[MODULENAME],REMARKS,INPUTBY,INPUTTIME");
            strSql.Append(",(select ShowName from [user] where GID=s.INPUTBY) as INPUTBYREF");
            strSql.Append(" from sys_table s ");

            if (!string.IsNullOrEmpty(strCondition))
            {
                strSql.Append(" where " + strCondition);
            }
            var sortstring = DatasetSort.Getsortstring(sort);
            if (!string.IsNullOrEmpty(sortstring))
            {
                strSql.Append(" order by " + sortstring);
            }
            else {
                strSql.Append(" order by TBLNAME");
            
            }
            return SetData(strSql);
        }



        static public sys_table GetData(string condition)
        {
            sys_table data = null;
            var list = GetDataList(condition);
            if (list.Count > 0)
                data = list[0];

            if (data == null)
            {
                data = new sys_table();

            }

            return data;
        }


        private static List<sys_table> SetData(StringBuilder strSql)
        {
            var headList = new List<sys_table>();
            Database db = DatabaseFactory.CreateDatabase();
            using (IDataReader reader = db.ExecuteReader(CommandType.Text, strSql.ToString()))
            {
                while (reader.Read())
                {
                    sys_table data = new sys_table();
                    #region Set DB data to Object
                    data.GID = Convert.ToString(reader["GID"]);
                    data.TBLNAME = Convert.ToString(reader["TBLNAME"]);
                    data.TBLCNAME = Convert.ToString(reader["TBLCNAME"]);
                    data.MODULENAME = Convert.ToString(reader["MODULENAME"]);
                
                    data.REMARKS = Convert.ToString(reader["REMARKS"]);
                    data.INPUTBY = Convert.ToString(reader["INPUTBY"]);
                    data.INPUTBYREF = Convert.ToString(reader["INPUTBYREF"]);

                    if (reader["INPUTTIME"] != DBNull.Value)
                        data.INPUTTIME = Convert.ToDateTime(reader["INPUTTIME"]).ToString("yyyy-MM-dd HH:mm:ss");
                    #endregion
                    headList.Add(data);
                }
                reader.Close();
            }
            return headList;
        }

        public static DBResult DeleteSysTable(List<sys_table> headData)
        {
            var result = new DBResult();

            Database db = DatabaseFactory.CreateDatabase();
            using (var conn = db.CreateConnection())
            {
                conn.Open();
                var tran = conn.BeginTransaction();

                try
                {
                    if (headData != null)
                    {
                        foreach (var enumValue in headData)
                        {
                            var cmdDelete2 = db.GetSqlStringCommand("delete from sys_table_detail where TBLGID='" + enumValue.GID + "'");
                            db.ExecuteNonQuery(cmdDelete2, tran);
                            var cmdDelete = db.GetSqlStringCommand("delete from sys_table where GID='" + enumValue.GID + "'");
                            db.ExecuteNonQuery(cmdDelete, tran);
                        }
                    }


                    tran.Commit();
                }
                catch (Exception)
                {
                    tran.Rollback();

                    result.Success = false;
                    result.Message = "删除出现错误，请重试或联系系统管理员";

                    return result;
                }
            }

            result.Success = true;
            result.Message = "删除成功";

            return result;
        }

        



        #endregion



        #region 字段

        static public List<sys_table_detail> GetTableDetailList(string strCondition, string sort = null)
        {

            var strSql = new StringBuilder();
            strSql.Append("SELECT [GID],[TBLGID],[FIELDNAME],FIELDCNAME,FIELDTYPE,FIELDLEN,ISNULL,ISKEY,DEFVALUE,REMARKS,LNKTBL,LNKFIELDNAME,[INPUTBY],[INPUTTIME]");
            strSql.Append(",(select ShowName from [user] where GID=sys_table_detail.INPUTBY) as INPUTBYREF,SORT");

            strSql.Append(" from sys_table_detail  ");

            if (!string.IsNullOrEmpty(strCondition))
            {
                strSql.Append(" where " + strCondition);
            }
            var sortstring = DatasetSort.Getsortstring(sort);
            if (!string.IsNullOrEmpty(sortstring))
            {
                strSql.Append(" order by " + sortstring);
            }
            else
            {
                strSql.Append(" order by SORT,INPUTTIME DESC");

            }
            return SetTableDetailData(strSql);
        }





        private static List<sys_table_detail> SetTableDetailData(StringBuilder strSql)
        {
            var headList = new List<sys_table_detail>();
            Database db = DatabaseFactory.CreateDatabase();
            using (IDataReader reader = db.ExecuteReader(CommandType.Text, strSql.ToString()))
            {
                while (reader.Read())
                {
                    sys_table_detail data = new sys_table_detail();
                    #region Set DB data to Object
                    data.GID = Convert.ToString(reader["GID"]);
                    data.TBLGID = Convert.ToString(reader["TBLGID"]);
                    data.FIELDNAME = Convert.ToString(reader["FIELDNAME"]);
                    data.FIELDCNAME = Convert.ToString(reader["FIELDCNAME"]);
                    data.FIELDTYPE = Convert.ToString(reader["FIELDTYPE"]);
                    data.FIELDLEN = Convert.ToString(reader["FIELDLEN"]);
                    data.ISNULL = Convert.ToString(reader["ISNULL"]);
                    data.ISKEY = Convert.ToString(reader["ISKEY"]);
                    data.DEFVALUE = Convert.ToString(reader["DEFVALUE"]);                  
                    data.LNKTBL = Convert.ToString(reader["LNKTBL"]);
                    data.LNKFIELDNAME = Convert.ToString(reader["LNKFIELDNAME"]);
                    data.REMARKS = Convert.ToString(reader["REMARKS"]);
                    data.INPUTBY = Convert.ToString(reader["INPUTBY"]);
                    data.INPUTBYREF = Convert.ToString(reader["INPUTBYREF"]);
                    if (reader["INPUTTIME"] != DBNull.Value)
                        data.INPUTTIME = Convert.ToDateTime(reader["INPUTTIME"]).ToString("yyyy-MM-dd HH:mm:ss");
                    data.SORT = Convert.ToString(reader["SORT"]);
                    #endregion
                    headList.Add(data);
                }
                reader.Close();
            }
            return headList;
        }


        static public List<sys_table_detail> GetDefTableDetailList(string tablename)
        {

            var strSql = new StringBuilder();
            strSql.Append("SELECT CASE WHEN EXISTS (SELECT 1 FROM sysobjects WHERE xtype = 'PK' AND parent_obj = a.id AND name IN ");
            strSql.Append("(SELECT name FROM sysindexes WHERE indid IN (SELECT indid FROM sysindexkeys WHERE id = a.id AND colid = a.colid)))");
            strSql.Append("THEN '1' ELSE '0' END AS ISKEY ");
            strSql.Append(", a.name AS FIELDNAME, c.name AS FIELDTYPE, a.length AS 'byte', COLUMNPROPERTY(a.id, a.name, ");
            strSql.Append("'PRECISION') AS FIELDLEN, a.xscale, a.isnullable ISNULL, ISNULL(e.text, '') AS DEFVALUE, ISNULL(p.value, '') AS REMARKS ");
            strSql.Append("FROM sys.syscolumns AS a INNER JOIN sys.sysobjects AS b ON a.id = b.id INNER JOIN ");
            strSql.Append("sys.systypes AS c ON a.xtype = c.xtype LEFT OUTER JOIN sys.syscomments AS e ON a.cdefault = e.id LEFT OUTER JOIN ");
            strSql.Append("sys.extended_properties AS p ON a.id = p.major_id AND a.colid = p.minor_id WHERE (b.name = '" + tablename + "') AND (c.status <> '1')");


            return SetDefTableDetailData(strSql);
        }


        private static List<sys_table_detail> SetDefTableDetailData(StringBuilder strSql)
        {
            var headList = new List<sys_table_detail>();
            Database db = DatabaseFactory.CreateDatabase();
            var i = 0;
            using (IDataReader reader = db.ExecuteReader(CommandType.Text, strSql.ToString()))
            {
                while (reader.Read())
                {
                    sys_table_detail data = new sys_table_detail();
                    #region Set DB data to Object
                    data.GID = Convert.ToString(reader["FIELDNAME"]);
                    data.TBLGID ="*";
                    data.FIELDNAME = Convert.ToString(reader["FIELDNAME"]);
                    data.FIELDCNAME = Convert.ToString(reader["REMARKS"]);
                    data.FIELDTYPE = Convert.ToString(reader["FIELDTYPE"]);
                    data.FIELDLEN = Convert.ToString(reader["FIELDLEN"]);
                    data.ISNULL = Convert.ToString(reader["ISNULL"]);
                    data.ISKEY = Convert.ToString(reader["ISKEY"]);
                    data.LNKTBL ="";
                    data.LNKFIELDNAME ="";
                    data.REMARKS = Convert.ToString(reader["REMARKS"]);
                    data.INPUTBY ="";
                    data.INPUTBYREF ="";
                    data.INPUTTIME ="";
                    data.SORT = i.ToString();
                    i = i + 1;
                    #endregion
                    headList.Add(data);
                }
                reader.Close();
            }
            return headList;
        }

        public static DBResult SaveTableDetail(List<sys_table_detail> bodyList, string PID, string userid)
        {
            var result = new DBResult();


            Database db = DatabaseFactory.CreateDatabase();
            using (var conn = db.CreateConnection())
            {
                conn.Open();
                var tran = conn.BeginTransaction();

                try
                {

                    var cmdInsert =
                        db.GetSqlStringCommand(
                               @"insert into sys_table_detail (GID,TBLGID,FIELDNAME,FIELDCNAME,FIELDTYPE,FIELDLEN,ISKEY,ISNULL,REMARKS,LNKTBL,LNKFIELDNAME,INPUTBY,INPUTTIME,DEFVALUE,SORT) 
                                   values (@GID,@TBLGID,@FIELDNAME,@FIELDCNAME,@FIELDTYPE,@FIELDLEN,@ISKEY,@ISNULL,@REMARKS,@LNKTBL,@LNKFIELDNAME,@INPUTBY,@INPUTTIME,@DEFVALUE,@SORT) ");

                    var cmdUpdate =
                        db.GetSqlStringCommand(
                            @"update sys_table_detail set FIELDNAME=@FIELDNAME,FIELDCNAME=@FIELDCNAME,FIELDTYPE=@FIELDTYPE,FIELDLEN=@FIELDLEN,ISKEY=@ISKEY,
                          ISNULL=@ISNULL,REMARKS=@REMARKS,LNKTBL=@LNKTBL,LNKFIELDNAME=@LNKFIELDNAME,DEFVALUE=@DEFVALUE,SORT=@SORT where GID=@GID  ");

                    if (bodyList != null)
                    {
                        foreach (var enumValue in bodyList)
                        {
                            if (enumValue.SORT == "") enumValue.SORT = "0";

                            if (enumValue.TBLGID == "*" || enumValue.TBLGID == "")
                            {
                                cmdInsert.Parameters.Clear();
                                db.AddInParameter(cmdInsert, "@GID", DbType.String, Guid.NewGuid().ToString());
                                db.AddInParameter(cmdInsert, "@TBLGID", DbType.String, PID);
                                db.AddInParameter(cmdInsert, "@FIELDNAME", DbType.String, enumValue.FIELDNAME);
                                db.AddInParameter(cmdInsert, "@FIELDCNAME", DbType.String, enumValue.FIELDCNAME);
                                db.AddInParameter(cmdInsert, "@FIELDTYPE", DbType.String, enumValue.FIELDTYPE);
                                db.AddInParameter(cmdInsert, "@FIELDLEN", DbType.String, enumValue.FIELDLEN);
                                db.AddInParameter(cmdInsert, "@ISKEY", DbType.String, enumValue.ISKEY);
                                db.AddInParameter(cmdInsert, "@ISNULL", DbType.String, enumValue.ISNULL);
                                db.AddInParameter(cmdInsert, "@REMARKS", DbType.String, enumValue.REMARKS);
                                db.AddInParameter(cmdInsert, "@LNKTBL", DbType.String, enumValue.LNKTBL);
                                db.AddInParameter(cmdInsert, "@LNKFIELDNAME", DbType.String, enumValue.LNKFIELDNAME);
                                db.AddInParameter(cmdInsert, "@DEFVALUE", DbType.String, enumValue.DEFVALUE);
                                db.AddInParameter(cmdInsert, "@INPUTBY", DbType.String, userid);
                                db.AddInParameter(cmdInsert, "@INPUTTIME", DbType.String, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
                                db.AddInParameter(cmdInsert, "@SORT", DbType.String, enumValue.SORT);
                                db.ExecuteNonQuery(cmdInsert, tran);
                            }
                            else
                            {
                                cmdUpdate.Parameters.Clear();
                                db.AddInParameter(cmdUpdate, "@GID", DbType.String, enumValue.GID);
                                db.AddInParameter(cmdUpdate, "@FIELDNAME", DbType.String, enumValue.FIELDNAME);
                                db.AddInParameter(cmdUpdate, "@FIELDCNAME", DbType.String, enumValue.FIELDCNAME);
                                db.AddInParameter(cmdUpdate, "@FIELDTYPE", DbType.String, enumValue.FIELDTYPE);
                                db.AddInParameter(cmdUpdate, "@FIELDLEN", DbType.String, enumValue.FIELDLEN);
                                db.AddInParameter(cmdUpdate, "@ISKEY", DbType.String, enumValue.ISKEY);
                                db.AddInParameter(cmdUpdate, "@ISNULL", DbType.String, enumValue.ISNULL);
                                db.AddInParameter(cmdUpdate, "@REMARKS", DbType.String, enumValue.REMARKS);
                                db.AddInParameter(cmdUpdate, "@LNKTBL", DbType.String, enumValue.LNKTBL);
                                db.AddInParameter(cmdUpdate, "@LNKFIELDNAME", DbType.String, enumValue.LNKFIELDNAME);
                                db.AddInParameter(cmdUpdate, "@DEFVALUE", DbType.String, enumValue.DEFVALUE);
                                db.AddInParameter(cmdUpdate, "@INPUTBY", DbType.String, userid);
                                db.AddInParameter(cmdUpdate, "@INPUTTIME", DbType.String, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
                                db.AddInParameter(cmdUpdate, "@SORT", DbType.String, enumValue.SORT);
                                db.ExecuteNonQuery(cmdUpdate, tran);
                            }
                        }
                    }



                    tran.Commit();
                }
                catch (Exception)
                {
                    tran.Rollback();

                    result.Success = false;
                    result.Message = "保存出现错误，请重试或联系系统管理员";

                    return result;
                }
            }

            result.Success = true;
            result.Message = "保存成功" + result.Message;

            return result;
        }

        public static DBResult DeleteTableDetail(List<sys_table_detail> headData)
        {
            var result = new DBResult();

            Database db = DatabaseFactory.CreateDatabase();
            using (var conn = db.CreateConnection())
            {
                conn.Open();
                var tran = conn.BeginTransaction();

                try
                {
                    if (headData != null)
                    {
                        foreach (var enumValue in headData)
                        {

                            var cmdDelete = db.GetSqlStringCommand("delete from sys_table_detail where GID='" + enumValue.GID + "'");
                            db.ExecuteNonQuery(cmdDelete, tran);
                        }
                    }


                    tran.Commit();
                }
                catch (Exception)
                {
                    tran.Rollback();

                    result.Success = false;
                    result.Message = "删除出现错误，请重试或联系系统管理员";

                    return result;
                }
            }

            result.Success = true;
            result.Message = "删除成功";

            return result;
        }

        #endregion


        static public int GetMaxSort(string strCondition)
        {
           
            var strSql = new StringBuilder();
            strSql.Append("SELECT ISNULL(MAX(SORT),0) AS CT from sys_update_sql (NOLOCK) ");
            if (strCondition.Trim() != String.Empty)
            {
                strSql.Append(" where " + strCondition);
            }
            var ct = 0;
            Database db = DatabaseFactory.CreateDatabase();
            using (IDataReader reader = db.ExecuteReader(CommandType.Text, strSql.ToString()))
            {
                while (reader.Read())
                {
                    ct = Convert.ToInt16(reader["CT"]);
                }
                reader.Close();
            }
            return ct+1;
        }

    }
}