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

namespace HRM.DA
{
    #region Function Service

    public class FunctionService : ServiceTemplate
    {
        public FunctionService()
        {
        }

        private void MapObject(Function oFunction, DataReader oReader)
        {
            base.SetObjectID(oFunction, oReader.GetInt32("FunctionID").Value);
            oFunction.Code = oReader.GetString("code");
            oFunction.Name = oReader.GetString("description");
            oFunction.Sequence = oReader.GetInt32("SequenceNo").Value;
            oFunction.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oFunction.CreatedBy = oReader.GetInt32("CreatedBy", 0);
            oFunction.CreatedDate = oReader.GetDateTime("CreatedDate").Value;
            oFunction.ModifiedBy = oReader.GetInt32("ModifiedBy", 0);
            oFunction.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oFunction, Ease.Core.ObjectState.Saved);
        }

        protected override T CreateObject<T>(DataReader oReader)
        {
            Function oFunction = new Function();
            MapObject(oFunction, oReader);
            return oFunction as T;
        }

        #region Service implementation

        public Function Get(int id)
        {
            Function oFunction = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(FunctionDA.Get(tc, id));
                if (oreader.Read())
                {
                    oFunction = this.CreateObject<Function>(oreader);
                }

                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return oFunction;
        }

        public Function Get(TransactionContext tc, int id)
        {
            Function oFunction = null;
            try
            {
                DataReader oreader = new DataReader(FunctionDA.Get(tc, id));
                if (oreader.Read())
                {
                    oFunction = this.CreateObject<Function>(oreader);
                }

                oreader.Close();
            }
            catch (Exception e)
            {
                #region Handle Exception

                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return oFunction;
        }

        public Function Get(string code)
        {
            Function oFunction = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(FunctionDA.Get(tc, code));
                if (oreader.Read())
                {
                    oFunction = this.CreateObject<Function>(oreader);
                }

                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return oFunction;
        }

        public List<Function> Get(EnumStatus status)
        {
            List<Function> Functions = new List<Function>();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(FunctionDA.Get(tc, status));
                Functions = this.CreateObjects<Function>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return Functions;
        }

        public int Save(Function oFunction)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oFunction.IsNew)
                {
                    int id = tc.GenerateID("[Function]", "FunctionID");
                    base.SetObjectID(oFunction, id);
                    int seqNo = tc.GenerateID("[Function]", "SequenceNo");
                    oFunction.Sequence = seqNo;
                    FunctionDA.Insert(tc, oFunction);
                }
                else
                {
                    FunctionDA.Update(tc, oFunction);
                }

                tc.End();
                return oFunction.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        public void Delete(int id, int UserID)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                FunctionDA.Delete(tc, id, UserID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        #endregion
    }

    #endregion
}