using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using SysBaseLibs;
using System.Data;
using System.Web.UI.WebControls ;

namespace SysDataLibs
{
    public class rsDDTable
    {

        protected string _TableName = "";
        public rsDDTable()
        {
            Initialize();
        }
        public rsDDTable(string pcTableName,List<rsDDColumn> poList)
        {
            _TableName = pcTableName;
            _ColumnList = poList;
        }
        public rsDDTable(string pcTableName, DBConnSql poDBConn)
        {
            _TableName = pcTableName;
            if (poDBConn != null && poDBConn.IsOpened)
            {
                _ColumnList = GetTableColsByTableName(pcTableName, poDBConn);
            }
        }

        public static List<rsDDColumn> GetTableColsByTableName(string pcTableName, DBConnSql poDBConn)
        {
            List<rsDDColumn> loRetVal = new List<rsDDColumn>();
            string lcSql = "select * from "+TableClass.Tn.Sys_TableColumns+" where TableId = '" + pcTableName + "' order by Sequence";
            DataTable loTable = poDBConn.OpenDataTable(lcSql);
            if (loTable != null)
            {
                foreach (DataRow lodr in loTable.Rows)
                {
                    rsDDColumn loColumn = new rsDDColumn(lodr);
                    loColumn.SetDbConn(poDBConn);
                    loRetVal.Add(loColumn);
                }
            }
            return loRetVal;
        }

        public string TableName
        {
            get { return _TableName; }
        }
        protected List<rsDDColumn> _ColumnList = null;

        public List<rsDDColumn> ColumnList
        {
            get
            {
                if (_ColumnList == null)
                    _ColumnList = new List<rsDDColumn>();
                return _ColumnList;
            }
        }

        public List<rsDDColumn> AvaiColumnList
        {
            get
            {
                List<rsDDColumn> loRetVal = new List<rsDDColumn>();
                foreach (rsDDColumn column in ColumnList)
                {
                    if (column.IsVisable)
                    {
                        loRetVal.Add(column);
                    }
                }
                return loRetVal;
            }
        }

        public List<rsDDColumn> GetUserAvaiColumnList(UserSession poUserSession)
        {

            List<rsDDColumn> loRetVal = new List<rsDDColumn>();
            string lcUserColumn = GetUserDefaultCols(poUserSession);
            Array loArr = UtilStr.StrToArray(lcUserColumn);
            foreach (string column in loArr)
            {
                rsDDColumn loColumn = GetColumnByColumnId(column);
                if (loColumn != null)
                    loRetVal.Add(loColumn);

            }
            return loRetVal;

        }
        public static Array GetArrayByString(string pcString, int piWidth)
        {
            Array loArr = UtilStr.StrToArray(pcString);
            int liAll = 0;
            piWidth = piWidth - 22;
            foreach (string lcWd in loArr)
            {
                int liWd = Convert.ToInt32(lcWd);
                liAll += liWd;
            }
            ArrayList loList = new ArrayList();
            foreach (string lcWd in loArr)
            {
                int liWd = Convert.ToInt32(lcWd);
                loList.Add((piWidth * liWd) / liAll);
            }
            int liCount = 0;
            foreach (int liWd in loList)
            {
                liCount += liWd;
            }
            loList[loList.Count - 1] = Convert.ToInt32(loList[loList.Count - 1]) + (piWidth - liCount);
            Array array1 = Array.CreateInstance(typeof(int), loList.Count);
            loList.CopyTo(array1);
            return array1;
        }


        //public int GetColumnWith(UserSession poSession, rsDDColumn poColumn, int AllWidth)
        //{
        //    int liRetVal = 0;

            

        //    return liRetVal;
        //}
        public string AllColumnsStr
        {
            get {
                string lcRetVal = "";
                if (_ColumnList != null)
                { 
                    foreach (rsDDColumn loColumn in _ColumnList)
                    {
                        lcRetVal += (lcRetVal==""?"":",")+loColumn.ColumnId;
                    }
                }
                return lcRetVal;
            }
        }
        /// <summary>
        /// 所有的非自动增长的字段
        /// </summary>
        public virtual string VisiableColumns
        {
            get
            {
                string lcRetVal = "";
                if (_ColumnList != null)
                {
                    foreach (rsDDColumn loColumn in _ColumnList)
                    {
                        if (!loColumn.IsAuto)
                            lcRetVal += (lcRetVal == ""?"":",") + loColumn.ColumnId;
                    }
                }
                return lcRetVal;
            }  
        }

        /// <summary>
        /// 所有的可见字段
        /// </summary>
        public virtual string AvaiColumns
        {
            get
            {
                string lcRetVal = "";
                if (_ColumnList != null)
                {
                    foreach (rsDDColumn loColumn in _ColumnList)
                    {
                        if (loColumn.IsVisable)
                            lcRetVal += (lcRetVal == ""?"":",") + loColumn.ColumnId;
                    }
                }
                return lcRetVal;
            }
        }

 


        /// <summary>
        /// 所有的可见显示的字段名称
        /// </summary>
        public virtual string DisplayColumns
        {
            get
            {
                string lcRetVal = "";
                if (_ColumnList != null)
                {
                    foreach (rsDDColumn loColumn in _ColumnList)
                    {
                        if (loColumn.IsVisable)
                            lcRetVal += (lcRetVal == "" ? "" : ",") + loColumn.ColumnName;
                    }
                }
                return lcRetVal;
            }
        }

        public rsQuery GetUserDefaultQuery(DBConnSql poDBConn, string pcUserId)
        {
            string lcSql = "select * from "+SysDataLibs.TableClass.Tn.Sys_UserDefaultColumns +" where   TableId= '" + _TableName + "' and   UserId= '" + pcUserId + "'  order by  Sequence ";
            return poDBConn.OpenQuery(lcSql);
        }
        /// <summary>
        /// 得到用户默认的显示字段的ID field1,field2
        /// </summary>
        /// <param name="poSession"></param>
        /// <returns></returns>
        public string GetUserDefaultCols(UserSession poSession)
        {
            string lcRetVal = AvaiColumns;
            rsQuery loQuery = GetUserDefaultQuery(poSession.DBConn, poSession.UserInfo.UserID);
            if (loQuery != null && loQuery.IsOpened && loQuery.RecCount > 0)
            {
                lcRetVal = "";
                loQuery.MoveFirst();
                for (int i = 0; i < loQuery.RecCount; i++)
                {
                    string lcColumnId = loQuery.GetString("ColumnId");
                    rsDDColumn loCol = GetColumnByColumnId(lcColumnId);
                    if (loCol != null)
                    {
                        lcRetVal += (lcRetVal == "" ? "" : ",") + loCol.ColumnId.Trim();
                    }
                    loQuery.MoveNext();
                }
            }
            return lcRetVal;
        }
        /// <summary>
        /// 得到用户默认的显示字段的名称  name1,name2
        /// </summary>
        /// <param name="poSession"></param>
        /// <returns></returns>
        public string GetUserDefaultColNames(UserSession poSession)
        {
            string lcRetVal = DisplayColumns;
            rsQuery loQuery = GetUserDefaultQuery(poSession.DBConn, poSession.UserInfo.UserID);
            if (loQuery != null && loQuery.IsOpened && loQuery.RecCount > 0)
            {
                lcRetVal = "";
                loQuery.MoveFirst();
                for (int i = 0; i < loQuery.RecCount; i++)
                {
                    string lcColumnId = loQuery.GetString("ColumnId");
                    rsDDColumn loCol = GetColumnByColumnId(lcColumnId);
                    if (loCol != null)
                    {
                        lcRetVal += (lcRetVal == "" ? "" : ",") + loCol.ColumnName.Trim();
                    }
                    loQuery.MoveNext();
                }
            }
            return lcRetVal;
        }

        /// <summary>
        /// 得到用户默认的显示字段的宽度
        /// </summary>
        /// <param name="poSession"></param>
        /// <returns></returns>
        public string GetUserDefaultColWidths(UserSession poSession)
        {
            string lcRetVal = ColumnWidths;
            rsQuery loQuery = GetUserDefaultQuery(poSession.DBConn, poSession.UserInfo.UserID);
            if (loQuery != null && loQuery.IsOpened && loQuery.RecCount > 0)
            {
                lcRetVal = "";
                loQuery.MoveFirst();
                for (int i = 0; i < loQuery.RecCount; i++)
                {
                    string lcColumnId = loQuery.GetString("ColumnId");
                    rsDDColumn loCol = GetColumnByColumnId(lcColumnId);
                    if (loCol != null)
                    {
                        lcRetVal += (lcRetVal == "" ? "" : ",") + loCol.Width;
                    }
                    loQuery.MoveNext();
                }
            }
            return lcRetVal;
        }

        public virtual string ColumnWidths
        {
            get
            {
                string lcRetVal = "";
                if (_ColumnList != null)
                {
                    foreach (rsDDColumn loColumn in _ColumnList)
                    {
                        if (loColumn.IsVisable)
                            lcRetVal += (lcRetVal == "" ? "" : ",") + loColumn.Width;
                    }
                }
                return lcRetVal;
            }
        }

        public rsDDColumn GetColumnByColumnId(string pcColumnId)
        {
            rsDDColumn loRetVal = null;
            if (_ColumnList != null)
            {
                foreach (rsDDColumn loColumn in _ColumnList)
                {
                    if (UtilStr.UAndT(loColumn.ColumnId) == UtilStr.UAndT(pcColumnId))
                    {
                        loRetVal = loColumn;
                        break;
                    }
                }
            }
            return loRetVal;
        }
        
        public void SetTableColumn(rsDDColumn poColumn)
        {
            if (_ColumnList == null)
                _ColumnList = new List<rsDDColumn>();
            if (IsEixst(poColumn))
                _ColumnList.Add(poColumn);
        }

        private string _PrimaryKey = "";
        public string PrimaryKeys
        {
            get {
                if (_PrimaryKey == "")
                {
                    foreach (rsDDColumn loColumn in _ColumnList)
                    {
                        if (loColumn.IsPrimaryKey)
                            _PrimaryKey += (_PrimaryKey == ""?"":"," )+ loColumn.ColumnId;
                    }
                }
                return _PrimaryKey;
            }
        }

        public bool IsAutoGen
        {
            get
            {
                bool lbRetVal = false;
                foreach (rsDDColumn loColumn in _ColumnList)
                {
                    if (loColumn.IsAuto)
                    {
                        lbRetVal = true;
                        break;
                    }
                }
                return lbRetVal;
            }
        }

        private bool IsEixst(rsDDColumn poColumn)
        {
            bool lbRetVal = false;
            if (_ColumnList != null&&poColumn!=null)
            {
                foreach (rsDDColumn loColumn in _ColumnList)
                {
                    if (UtilStr.UAndT(loColumn.ColumnId) == UtilStr.UAndT(poColumn.ColumnId))
                    {
                        lbRetVal = true;
                        break;
                    }
                }
            }
            return lbRetVal;
        }

        private string _InsertSql = "";
        private string _UpdateSql = "";
        private string _DeleteSql = "";
        public string InsertSql
        {
            get
            {
                if (_InsertSql.Trim().Length == 0)
                    CreateSqlStr();
                return _InsertSql;
            }
        }

        public string UpdateSql
        {
            get
            {
                if (_UpdateSql.Trim().Length == 0)
                    CreateSqlStr();
                return _UpdateSql;
            }
        }

        public string DeleteSql
        {
            get
            {
                if (_DeleteSql.Trim().Length == 0)
                    CreateSqlStr();
                return _DeleteSql;
            }
        }

        private void CreateSqlStr()
        {
            string lcInsertFields = "";
            string lcInsertValues = "";
            string lcUpdateSet = "";
            string lcWhere = "";
            foreach (rsDDColumn loColumn in _ColumnList)
            {
                if (!loColumn.IsPrimaryKey)
                    lcUpdateSet += (lcUpdateSet == "" ? "" : ",") + loColumn.ColumnId + "=" + "@" + loColumn.ColumnId;
                else
                    lcWhere += (lcWhere == "" ? "" : " AND ") + loColumn.ColumnId + "=" + "@OOLLDD" + loColumn.ColumnId;
                if (!loColumn.IsAuto)
                {
                    lcInsertFields += (lcInsertFields == "" ? "" : ",") + loColumn.ColumnId;
                    lcInsertValues += (lcInsertValues == "" ? "" : ",") + "@" + loColumn.ColumnId;
                }
            }

            _InsertSql = "INSERT INTO " + this._TableName + " (" + lcInsertFields + ") VALUES (" + lcInsertValues + ")";
            _UpdateSql = "UPDATE " + _TableName + " SET " + lcUpdateSet + " WHERE " + lcWhere;
            _DeleteSql = "DELETE FROM " + _TableName + " WHERE " + lcWhere;
        }

        public virtual void Initialize()
        {

        }
    }
}