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
{
    #region LoanSchedule Service
    [Serializable]
    public class LoanScheduleService : ServiceTemplate, ILoanScheduleService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(LoanSchedule));

        #endregion
        public LoanScheduleService() { }

        private void MapObject(LoanSchedule oLoanSchedule, DataReader oReader)
        {
            base.SetObjectID(oLoanSchedule, oReader.GetID("LoanScheduleID"));
            oLoanSchedule.LoanIssueID = oReader.GetID("LOANISSUEID");
            oLoanSchedule.ScheduleNo = oReader.GetInt32("scheduleNo").Value;
            oLoanSchedule.OpeningBalance = oReader.GetDouble("OpeningBalance").Value;
            oLoanSchedule.InstallmentPrincipal = oReader.GetDouble("INSTALLMENTPRINCIPAL").Value;
            oLoanSchedule.InstallmentInterest = oReader.GetDouble("INSTALLMENTINTEREST").Value;
            oLoanSchedule.DueInstallmentDate = oReader.GetDateTime("DUEINSTALLMENTDATE").Value;
            oLoanSchedule.PaymentDate = oReader.GetDateTime("PAYMENTDATE");
            oLoanSchedule.Days = oReader.GetInt32("DAYS").Value;
            oLoanSchedule.CalculatedDate = oReader.GetDateTime("CALCULATEDDATE").Value;
            oLoanSchedule.ActualInterest = oReader.GetDouble("ACTUALINTEREST").Value;
            oLoanSchedule.ClosingBalance = oReader.GetDouble("ClosingBalance").HasValue ? oReader.GetDouble("ClosingBalance").Value : 0;
            oLoanSchedule.EmployeeID = oReader.GetID("EmployeeID");
            oLoanSchedule.PaymentMode = (EnumLoanPaymentMode)(oReader.GetInt32("PaymentMode").HasValue ? oReader.GetInt32("PaymentMode").Value : 0);
            oLoanSchedule.InterestRate = oReader.GetDouble("InterestRate").Value;
            this.SetObjectState(oLoanSchedule, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            LoanSchedule oLoanSchedule = new LoanSchedule();
            MapObject(oLoanSchedule, oReader);
            return oLoanSchedule as T;
        }
        protected LoanSchedule CreateObject(DataReader oReader)
        {
            LoanSchedule oLoanSchedule = new LoanSchedule();
            MapObject(oLoanSchedule, oReader);
            return oLoanSchedule;
        }
        #region Service implementation
        public LoanSchedule Get(ID id)
        {
            LoanSchedule oLoanSchedule = new LoanSchedule();
            #region Cache Header
            oLoanSchedule = _cache["Get", id] as LoanSchedule;
            if (oLoanSchedule != null)
                return oLoanSchedule;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LoanScheduleDA.Get(tc, id));
                if (oreader.Read())
                {
                    oLoanSchedule = this.CreateObject<LoanSchedule>(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
            }
            #region Cache Footer
            _cache.Add(oLoanSchedule, "Get", id);
            #endregion
            return oLoanSchedule;
        }
        public DataSet GetScheduleForSalary(DateTime monthDate, ID payrollTypeID)
        {

            DataSet loanSchedules = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                loanSchedules = LoanScheduleDA.GetScheduleForSalary(tc, monthDate, payrollTypeID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return loanSchedules;
        }

        public ObjectsTemplate<LoanSchedule> Get()
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(LoanScheduleDA.Get(tc));
                loanSchedules = this.CreateObjects<LoanSchedule>(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(loanSchedules, "Get");

            #endregion

            return loanSchedules;
        }

        public ObjectsTemplate<LoanSchedule> GetByIssueIDAndMonth(ID nIssueID, DateTime dateTime)
        {
            #region Cache Header

            ObjectsTemplate<LoanSchedule> loanSchedules = _cache["GetByIssueIDAndMonth", nIssueID, dateTime] as ObjectsTemplate<LoanSchedule>;
            if (loanSchedules != null)
                return loanSchedules;

            #endregion

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

                DataReader dr = new DataReader(LoanScheduleDA.GetByIssueIDAndMonth(tc, nIssueID, dateTime));
                loanSchedules = this.CreateObjects<LoanSchedule>(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(loanSchedules, "GetByIssueIDAndMonth", nIssueID, dateTime);

            #endregion

            return loanSchedules;
        }

        public DataSet GetLoanPaymentDue(DateTime dFromDate, DateTime dToDate)
        {
 
            DataSet loanSchedules = null;
 
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                loanSchedules = LoanScheduleDA.GetLoanPaymentDue(tc, dFromDate, dToDate);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return loanSchedules;
        }

        public ObjectsTemplate<LoanSchedule> GetByIssueID(ID nIssueID)
        {
            #region Cache Header

            ObjectsTemplate<LoanSchedule> loanSchedules = _cache["GetByIssueID"] as ObjectsTemplate<LoanSchedule>;
            if (loanSchedules != null)
                return loanSchedules;

            #endregion

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

                DataReader dr = new DataReader(LoanScheduleDA.GetByIssueID(tc,nIssueID));
                loanSchedules = this.CreateObjects<LoanSchedule>(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(loanSchedules, "GetByIssueID",nIssueID);

            #endregion

            return loanSchedules;
        }

        public ID Save(LoanSchedule oLoanSchedule)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oLoanSchedule.IsNew)
                {
                    int id = tc.GenerateID("LoanSchedule", "LoanScheduleID");
                    base.SetObjectID(oLoanSchedule, ID.FromInteger(id));
                    LoanScheduleDA.Insert(tc, oLoanSchedule);
                }
                else
                {
                    LoanScheduleDA.Update(tc, oLoanSchedule);
                }
                tc.End();
                return oLoanSchedule.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(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                LoanScheduleDA.Delete(tc, id);
                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 UpdatePaymentDate(TransactionContext tc, 
            ID loanSheduleId, DateTime paymentdate, EnumLoanPaymentMode mode)
        {
            try
            {
                tc = TransactionContext.Begin(true);
                LoanScheduleDA.UpdatePaymentDate(tc, loanSheduleId , paymentdate, mode);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public DataSet GetByEmpIDANDLoanID(int EmpID, int LoanID)
        {
            DataSet oLoanAmounts = new DataSet();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oLoanAmounts = LoanScheduleDA.GetByEmpIDANDLoanID(tc, EmpID, LoanID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return oLoanAmounts;
        }

        #endregion
    }
    #endregion
}