using System;
using System.Data;
using System.Linq;
using Ease.CoreV35;
using Ease.CoreV35.Model;
using Ease.CoreV35.DataAccess;
using System.Collections.Generic;
using Payroll.BO;
using Ease.CoreV35.Caching;

namespace Payroll.Service
{
    [Serializable]
    public class LeaveExceptionService : ServiceTemplate, ILeaveExceptionService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(LeaveException));

        public LeaveExceptionService() { }

        private void MapObject(LeaveException oLeaveException, DataReader oReader)
        {
            base.SetObjectID(oLeaveException, oReader.GetID("LeaveExceptionID"));
            oLeaveException.EmployeeID = oReader.GetInt32("EmployeeID").Value;
            oLeaveException.StartDate = oReader.GetDateTime("StartDate").Value;
            oLeaveException.EndDate = oReader.GetDateTime("EndDate").Value;
            oLeaveException.LeaveID = oReader.GetInt16("LeaveID").Value;
            oLeaveException.OpeningBalance = oReader.GetDouble("OpeningBalance").Value;
            oLeaveException.MaxDays = oReader.GetDouble("MaxDays").Value;
            oLeaveException.CFDays = oReader.GetDouble("CFDays").Value;
            this.SetObjectState(oLeaveException, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            LeaveException oLeave = new LeaveException();
            MapObject(oLeave, oReader);
            return oLeave as T;
        }
        private LeaveException CreateObject(DataReader oReader)
        {
            LeaveException oLeave = new LeaveException();
            MapObject(oLeave, oReader);
            return oLeave;
        }
        #endregion
        public ObjectsTemplate<LeaveException> Get(DateTime dFrom, DateTime dTo)
        {
            #region Cache Header

            ObjectsTemplate<LeaveException> oLeaves = _cache["Get"] as ObjectsTemplate<LeaveException>;
            if (oLeaves != null)
                return oLeaves;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(LeaveExceptionDA.Get2(tc,  dFrom, dTo));
                oLeaves = this.CreateObjects<LeaveException>(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
            }
            #region Cache Footer
            _cache.Add(oLeaves, "Get");
            #endregion
            return oLeaves;
        }
        public ObjectsTemplate<LeaveException> GetByEmpID(int nLeaveID,int nEmpID)
        {
            #region Cache Header

            ObjectsTemplate<LeaveException> oLeaves = _cache["GetByEmpID"] as ObjectsTemplate<LeaveException>;
            if (oLeaves != null)
                return oLeaves;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(LeaveExceptionDA.GetByEmpID(tc, nLeaveID,nEmpID));
                oLeaves = this.CreateObjects<LeaveException>(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
            }
            #region Cache Footer
            _cache.Add(oLeaves, "GetByEmpID");
            #endregion
            return oLeaves;
        }
        public ID Save(LeaveException oLeave)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                
                    LeaveExceptionDA.Insert(tc, oLeave);
               
                tc.End();
                return oLeave.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                //throw new ServiceException("Failed to Get Leave", e);
                throw new Exception("Failed to Save Leave. Because " + e.Message, e);
                #endregion
            }

        }

        public void DeleteItem(int nID)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                LeaveExceptionDA.DeleteItem(tc, nID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }
        public void DeleteByLeaveID(int nLeaveID)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                LeaveExceptionDA.Delete(tc, nLeaveID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

    }
}