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
{
    public class EmployeeShortLeaveService : ServiceTemplate, IEmployeeShortLeaveService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(EmployeeShortLeave));

        public EmployeeShortLeaveService() { }

        private void MapObject(EmployeeShortLeave sLeave, DataReader oReader)
        {
            base.SetObjectID(sLeave, oReader.GetID("ShortLeaveID"));
            sLeave.EmployeeID = oReader.GetInt32("EmployeeID").Value;
            sLeave.Description = oReader.GetString("Description");
            sLeave.FromDate = oReader.GetDateTime("FromDate").Value;
            sLeave.ToDate = oReader.GetDateTime("ToDate").Value;
            sLeave.ShortLeaveType = (EnumShortLeaveType)oReader.GetInt32("ShortLeaveType");
            sLeave.WillReturn = oReader.GetBoolean("WillReturn").Value;
            this.SetObjectState(sLeave, Ease.CoreV35.ObjectState.Saved);
            

        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            EmployeeShortLeave sLeave = new EmployeeShortLeave();
            MapObject(sLeave, oReader);
            return sLeave as T;
        }
        private EmployeeShortLeave CreateObject(DataReader oReader)
        {
            EmployeeShortLeave sLeave = new EmployeeShortLeave();
            MapObject(sLeave, oReader);
            return sLeave;
        }

        #endregion

        #region Service implementation

        public EmployeeShortLeave Get()
        {
            EmployeeShortLeave sLeave = new EmployeeShortLeave();
            #region Cache Header
            sLeave = (EmployeeShortLeave)_cache["Get"];
            if (sLeave != null)
                return sLeave;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeShortLeaveDA.Get(tc));
                if (oreader.Read())
                {
                    sLeave = this.CreateObject<EmployeeShortLeave>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get ShortLeave", e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(sLeave, "Get");
            #endregion
            return sLeave;
        }

        public EmployeeShortLeave Get(ID id)
        {
            EmployeeShortLeave sLeave = new EmployeeShortLeave();
            #region Cache Header
            sLeave = (EmployeeShortLeave)_cache["Get", id.Integer];
            if (sLeave != null)
                return sLeave;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeShortLeaveDA.Get(tc, id.Integer));
                if (oreader.Read())
                {
                    sLeave = this.CreateObject<EmployeeShortLeave>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get ShortLeave", e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(sLeave, "Get", id.Integer);
            #endregion
            return sLeave;
        }

        public EmployeeShortLeave GetByType(int sLType)
        {
            EmployeeShortLeave sLeave = new EmployeeShortLeave();
            #region Cache Header
            sLeave = (EmployeeShortLeave)_cache["Get", sLType];
            if (sLeave != null)
                return sLeave;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeShortLeaveDA.Get(tc, sLType));
                if (oreader.Read())
                {
                    sLeave = this.CreateObject<EmployeeShortLeave>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get ShortLeave", e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(sLeave, "Get", sLType);
            #endregion
            return sLeave;
        }


        public EmployeeShortLeave GetByEmpID(int employeeID)
        {
            EmployeeShortLeave sLeave = new EmployeeShortLeave();
            #region Cache Header
            sLeave = (EmployeeShortLeave)_cache["Get", employeeID];
            if (sLeave != null)
                return sLeave;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeShortLeaveDA.Get(tc, employeeID));
                if (oreader.Read())
                {
                    sLeave = this.CreateObject<EmployeeShortLeave>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get ShortLeave", e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(sLeave, "Get", employeeID);
            #endregion
            return sLeave;
        }

        public ObjectsTemplate<EmployeeShortLeave> GetByEmp(int employeeID)
        {
            #region Cache Header

            ObjectsTemplate<EmployeeShortLeave> leaves = _cache["Get", employeeID] as ObjectsTemplate<EmployeeShortLeave>;
            if (leaves != null)
                return leaves;

            #endregion

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

                DataReader dr = new DataReader(EmployeeShortLeaveDA.GetByEmp(tc, employeeID));
                leaves = this.CreateObjects<EmployeeShortLeave>(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(leaves, "Get", employeeID);

            #endregion

            return leaves;
        }


        public DataSet GetEmployeeWiseShortLeaveReport(int empId)
        {
            DataSet oSet;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oSet = EmployeeShortLeaveDA.GetEmployeeWiseShortLeaveReport(tc, empId);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();

                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get Report" + e.Message, e);
                #endregion
            }
            return oSet;
        }


        public ID Save(EmployeeShortLeave sLeave)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (sLeave.IsNew)
                {
                    int id = tc.GenerateID("ShortLeave", "ShortLeaveID");
                    base.SetObjectID(sLeave, ID.FromInteger(id));
 
                    EmployeeShortLeaveDA.Insert(tc, sLeave);
                }
                else
                {
                    EmployeeShortLeaveDA.Update(tc, sLeave);
                }
                tc.End();
                return sLeave.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new Exception("Failed to Save Short Leave. Because " + e.Message, e);
                #endregion
            }

        }

        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                EmployeeShortLeaveDA.Delete(tc, id.Integer);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }


        #endregion
    }
}