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

namespace HRM.DA
{
    #region LoanSchedule Service

    public class LoanScheduleService : ServiceTemplate, ILoanScheduleService
    {
        public LoanScheduleService()
        {
        }

        private void MapObject(LoanSchedule oLoanSchedule, DataReader oReader)
        {
            base.SetObjectID(oLoanSchedule, oReader.GetInt32("LoanScheduleID").Value);
            oLoanSchedule.LoanIssueID =oReader.GetInt32("LOANISSUEID").Value;
            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").Value;
            oLoanSchedule.EmployeeID =oReader.GetInt32("EmployeeID").Value ;
            oLoanSchedule.PaymentMode = (EnumLoanPaymentMode)(oReader.GetInt32("PaymentMode").Value);
            oLoanSchedule.InterestRate = oReader.GetDouble("InterestRate").Value;
            this.SetObjectState(oLoanSchedule, Ease.Core.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(int id)
        {
            LoanSchedule oLoanSchedule = new LoanSchedule();

            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
            }

            return oLoanSchedule;
        }

        public List<LoanSchedule> Get()
        {
            List<LoanSchedule> loanSchedules = new List<LoanSchedule>();
            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
            }

            return loanSchedules;
        }

        public List<LoanSchedule> GetUnpaidSechedule(DateTime monthDate)
        {
            List<LoanSchedule> loanSchedules = new List<LoanSchedule>();

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

                DataReader dr = new DataReader(LoanScheduleDA.GetUnpaidSechedule(tc, monthDate));
                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
            }

            return loanSchedules;
        }


        public List<LoanSchedule> GetByIssueIDAndMonth(int nIssueID, DateTime dateTime)
        {
            List<LoanSchedule> loanSchedules = new List<LoanSchedule>();

            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
            }

            return loanSchedules;
        }

        public DataSet GetLoanPaymentDue(DateTime dFromDate, DateTime dToDate, int payrollTypeID)
        {
            DataSet loanSchedules = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                loanSchedules = LoanScheduleDA.GetLoanPaymentDue(tc, dFromDate, dToDate, 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 DataSet GetAllActiveLoan(string sEmps, int payrollTypeID)
        {
            DataSet loanSchedules = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                loanSchedules = LoanScheduleDA.GetAllActiveLoan(tc, sEmps, 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 DataSet GetCurrentMonthDueLoan(string sEmps, int payrollTypeID, int loanID)
        {
            DataSet loanSchedules = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                loanSchedules = LoanScheduleDA.GetCurrentMonthDueLoan(tc, sEmps, payrollTypeID, 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 loanSchedules;
        }

        public DataSet GetScheduleForSalary(DateTime monthDate, int 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 List<LoanSchedule> GetByIssueID(int nIssueID)
        {
            List<LoanSchedule> loanSchedules = new List<LoanSchedule>();

            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
            }

            return loanSchedules;
        }

        public int Save(LoanSchedule oLoanSchedule)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oLoanSchedule.IsNew)
                {
                    int id = tc.GenerateID("LoanSchedule", "LoanScheduleID");
                    base.SetObjectID(oLoanSchedule, 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 UpdateSchedules(List<LoanSchedule> oLoanSchedules)
        {
            TransactionContext tc = null;
            try
            {

                tc = TransactionContext.Begin(true);
                foreach (LoanSchedule item in oLoanSchedules)
                {
                    item.ClosingBalance = item.OpeningBalance - item.InstallmentPrincipal + item.InstallmentInterest;
                    LoanScheduleDA.UpdateAmount(tc, item);
                } 
                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 SaveList(List<LoanSchedule> items)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                foreach (var loanSchedule in items)
                {
                    if (loanSchedule.IsNew)
                    {
                        int id = tc.GenerateID("LoanSchedule", "LoanScheduleID");
                        base.SetObjectID(loanSchedule, id);
                        LoanScheduleDA.Insert(tc, loanSchedule);
                    }
                    else
                    {
                        LoanScheduleDA.Update(tc, loanSchedule);
                    }

                }

                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 Delete(int 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,
            int 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
}