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

namespace HRM.DA
{
    public class UploadEncashAmountService : ServiceTemplate, IUploadEncashAmountService
    {
        #region Private functions and declaration

        public UploadEncashAmountService()
        {
        }

        private void MapObject(UploadEncashAmount oUploadEncashAmount, DataReader oReader)
        {
            base.SetObjectID(oUploadEncashAmount, oReader.GetInt32("UploadEncashAmountID").Value);

            oUploadEncashAmount.EmployeeID =
                oReader.GetString("EmployeeID") == null ? 0 : oReader.GetInt32("EmployeeID").Value;
            oUploadEncashAmount.LeaveID = oReader.GetString("LeaveID") == null ? 0 : oReader.GetInt32("LeaveID").Value;
            oUploadEncashAmount.LeaveYear = oReader.GetInt16("LeaveYear").Value;
            oUploadEncashAmount.Days = oReader.GetInt16("Days").Value;
            oUploadEncashAmount.BasicSalary = oReader.GetDouble("BasicSalary").Value;
            this.SetObjectState(oUploadEncashAmount, Ease.Core.ObjectState.Saved);
        }

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

        private UploadEncashAmount CreateObject(DataReader oReader)
        {
            UploadEncashAmount oUploadEncashAmount = new UploadEncashAmount();
            MapObject(oUploadEncashAmount, oReader);
            return oUploadEncashAmount;
        }

        #endregion

        #region Service implementation

        public void Save(List<UploadEncashAmount> items)
        {
            List<UploadEncashAmount> prevItems = this.Get();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                foreach (UploadEncashAmount item in items)
                {
                    UploadEncashAmount oItem = prevItems.Find(delegate(UploadEncashAmount ea)
                    {
                        return ea.EmployeeID == item.EmployeeID && ea.LeaveID == item.LeaveID &&
                               ea.LeaveYear == item.LeaveYear;
                    });
                    if (oItem == null)
                    {
                        int id = tc.GenerateID("UploadEncashAmount", "UploadEncashAmountID");
                        base.SetObjectID(item, id);
                        UploadEncashAmountDA.Insert(tc, item);
                    }
                    else
                    {
                        base.SetObjectID(item, oItem.ID);
                        UploadEncashAmountDA.Update(tc, item);
                    }
                }

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

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Insert Leave Year: " + e.Message, e);

                #endregion
            }
        }

        #region Delete Service

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

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new Exception("Failed to Insert UploadEncashAmount due to " + e.Message, e);

                #endregion
            }
        }

        #endregion

        public List<UploadEncashAmount> Get(int empID)
        {
            List<UploadEncashAmount> oUploadEncashAmounts = new List<UploadEncashAmount>();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(UploadEncashAmountDA.Get(tc, empID));
                oUploadEncashAmounts = this.CreateObjects<UploadEncashAmount>(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 oUploadEncashAmounts;
        }

        public List<UploadEncashAmount> Get()
        {
            List<UploadEncashAmount> oUploadEncashAmounts = new List<UploadEncashAmount>();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(UploadEncashAmountDA.Get(tc));
                oUploadEncashAmounts = this.CreateObjects<UploadEncashAmount>(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 oUploadEncashAmounts;
        }

        #endregion
    }
}