using System;
using Ease.Core.Model;
using Ease.Core.DataAccess;
using Ease.Core.Utility;
using System.Collections.Generic;
using HRM.BO;
using System.Data;

namespace HRM.DA
{
    public class DbColumnService : ServiceTemplate, IDbColumnsService
    {
        #region Constructor

        public DbColumnService()
        {
        }

        #endregion

        #region Mapping

        private void MapObject(DbColumns oDbColumns, DataReader dr)
        {
            base.SetObjectID(oDbColumns, dr.GetInt32("ColumnId").Value);
            oDbColumns.TableId = dr.GetInt32("TableId", 0);
            oDbColumns.TableName = dr.GetString("TableName");
            oDbColumns.ColumnName = dr.GetString("ColumnName");
            oDbColumns.DataType = (ColumnDataTypeEnum)dr.GetInt32("DataType", 0);
            oDbColumns.Size = dr.GetInt32("COLSIZE", 0);
            oDbColumns.AllowNull = dr.GetInt32("AllowNull", 0);
            oDbColumns.TableColumnName = dr.GetString("TableColumnName");
            oDbColumns.UsedAsSearch = dr.GetBoolean("UsedAsSearch", false);
            oDbColumns.SearchName = dr.GetString("SearchName");
            oDbColumns.StaticValue = dr.GetString("StaticValue");
            oDbColumns.Width = dr.GetInt32("Width", 0);
            oDbColumns.ColumnType = (EnumSearchToolColumnType)dr.GetInt32("ColumnType");

            this.SetObjectState(oDbColumns, Ease.Core.ObjectState.Saved);
        }

        protected override T CreateObject<T>(DataReader dr)
        {
            DbColumns oDbColumns = new DbColumns();
            MapObject(oDbColumns, dr);
            return oDbColumns as T;
        }

        #endregion

        #region Service Implementation

        public void Save(DbColumns group)
        {
            try
            {
                TransactionContext tc = null;
                try
                {
                    #region Saving data

                    tc = TransactionContext.Begin(true);

                    if (group.IsNew)
                    {
                        int newID = DbColumnsDA.GenID(tc);
                        base.SetObjectID(group, newID);
                        DbColumnsDA.Insert(tc, group);
                    }
                    else
                        DbColumnsDA.Update(tc, group);

                    tc.End();

                    #endregion
                }
                catch (Exception e)
                {
                    #region Handle Exception

                    if (tc != null)
                        tc.HandleError();

                    throw new ServiceException(e.Message, e);

                    #endregion
                }
            }
            catch (Exception e)
            {
                throw new ServiceException(e.Message, e);
            }
        }

        public void Delete(int groupID)
        {
            {
                try
                {
                    TransactionContext tc = null;
                    try
                    {
                        #region Deleting data

                        tc = TransactionContext.Begin(true);

                        DbColumnsDA.Delete(tc, groupID);

                        tc.End();

                        #endregion
                    }
                    catch (Exception e)
                    {
                        #region Handle Exception

                        if (tc != null)
                            tc.HandleError();

                        throw new ServiceException(e.Message, e);

                        #endregion
                    }
                }
                catch (Exception e)
                {
                    throw new ServiceException(e.Message, e);
                }
            }
        }

        public DbColumns Get(int groupID)
        {
            DbColumns group;

            TransactionContext tc = null;
            try
            {
                #region Retrieving data

                tc = TransactionContext.Begin();

                DataReader iReader = new DataReader(DbColumnsDA.Get(tc, groupID));
                group = this.CreateObject<DbColumns>(iReader);

                tc.End();

                #endregion
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return group;
        }

        public List<DbColumns> Get()
        {
            List<DbColumns> dbColumns = new List<DbColumns>();

            TransactionContext tc = null;
            try
            {
                #region Retrieving data

                tc = TransactionContext.Begin();

                DataReader iReader = new DataReader(DbColumnsDA.Get(tc));
                dbColumns = this.CreateObjects<DbColumns>(iReader);

                tc.End();

                #endregion
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return dbColumns;
        }

        public List<DbColumns> GetByTableId(int tableId)
        {
            List<DbColumns> dbColumns = new List<DbColumns>();

            TransactionContext tc = null;
            try
            {
                #region Retrieving data

                tc = TransactionContext.Begin();

                DataReader iReader = new DataReader(DbColumnsDA.GetByTableName(tc, tableId));
                dbColumns = this.CreateObjects<DbColumns>(iReader);

                tc.End();

                #endregion
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return dbColumns;
        }

        public List<DbColumns> GetAll()
        {
            List<DbColumns> dbColumns = new List<DbColumns>();

            TransactionContext tc = null;
            try
            {
                #region Retrieving data

                tc = TransactionContext.Begin();

                DataReader iReader = new DataReader(DbColumnsDA.GetAll(tc));
                dbColumns = this.CreateObjects<DbColumns>(iReader);

                tc.End();

                #endregion
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return dbColumns;
        }

        #endregion
    }
}