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

namespace HRM.DA
{
    public class RecognitionService : ServiceTemplate, IRecognitionService
    {
        #region Constructor

        public RecognitionService()
        {
        }

        #endregion

        #region MapObjects

        private void MapObject(Recognition oRecognition, DataReader oReader)
        {
            base.SetObjectID(oRecognition, (oReader.GetInt32("RecognitionID").Value));
            oRecognition.NominateBy = oReader.GetInt32("NominateBy", 0);
            oRecognition.NominateDate = oReader.GetDateTime("NominateDate").Value;
            oRecognition.SalaryMonth = oReader.GetDateTime("SalaryMonth").Value;
            oRecognition.WfStatus = (EnumwfStatus)oReader.GetInt32("WfStatus").Value;
            oRecognition.RequestType = (EnumRequestType)oReader.GetInt32("RequestType").Value;
            oRecognition.IsCash = oReader.GetBoolean("IsCash").HasValue ? oReader.GetBoolean("IsCash").Value : false;
            oRecognition.Justification = oReader.GetString("Justification");
            oRecognition.CreatedBy = oReader.GetInt32("CreatedBy", 0);
            oRecognition.CreatedDate = oReader.GetDateTime("CreatedDate").HasValue
                ? oReader.GetDateTime("CreatedDate").Value
                : DateTime.MinValue;
            oRecognition.ModifiedBy = oReader.GetInt32("ModifiedBy", 0);
            oRecognition.ModifiedDate = oReader.GetDateTime("ModifiedDate").HasValue
                ? oReader.GetDateTime("ModifiedDate").Value
                : (DateTime?)null;

            this.SetObjectState(oRecognition, Ease.Core.ObjectState.Saved);
        }

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

        #endregion

        #region MapRecognitionDetail

        private void MapRecognitionDetailObject(RecognitionDetail oRecognitionDetail, DataReader oReader)
        {
            base.SetObjectID(oRecognitionDetail, (oReader.GetInt32("RecognitionDetailID").Value));
            oRecognitionDetail.RecognitionID = oReader.GetInt32("RecognitionID", 0);
            oRecognitionDetail.EmployeeID = oReader.GetInt32("EmployeeID", 0);
            oRecognitionDetail.Amount = oReader.GetDouble("Amount").Value;
            oRecognitionDetail.SalaryMonth = oReader.GetDateTime("SalaryMonth").GetValueOrDefault();
            oRecognitionDetail.PaidDate = oReader.GetDateTime("PaidDate").GetValueOrDefault();
            oRecognitionDetail.RequestDate = oReader.GetDateTime("RequestDate").GetValueOrDefault();

            this.SetObjectState(oRecognitionDetail, Ease.Core.ObjectState.Saved);
        }

        private RecognitionDetail CreateRecognitionDetailObject(DataReader oReader)
        {
            RecognitionDetail oRecognitionDetail = new RecognitionDetail();
            MapRecognitionDetailObject(oRecognitionDetail, oReader);
            return oRecognitionDetail;
        }

        #endregion

        #region Recognition Service Methods

        public Recognition Get(int id)
        {
            Recognition oRecognition = new Recognition();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(RecognitionDA.Get(tc, id));
                if (oreader.Read())
                {
                    oRecognition = this.CreateObject<Recognition>(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 oRecognition;
        }

        public List<Recognition> Get()
        {
            List<Recognition> oRecognitions = new List<Recognition>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(RecognitionDA.Get(tc));
                oRecognitions = this.CreateObjects<Recognition>(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 oRecognitions;
        }

        public int Save(Recognition oRecognition)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oRecognition.IsNew)
                {
                    int id = tc.GenerateID("Recognitions", "RecognitionID");
                    base.SetObjectID(oRecognition, (id));

                    RecognitionDA.Insert(tc, oRecognition);
                }
                else
                {
                    RecognitionDA.Update(tc, oRecognition);
                    RecognitionDA.DeleteRecognitionDetail(tc, oRecognition.ID);
                }

                #region RecognitionDetail

                foreach (RecognitionDetail item in oRecognition.RecognitionDetails)
                {
                    int id = tc.GenerateID("RecognitionDetails", "RecognitionDetailID");
                    base.SetObjectID(item, (id));
                    item.RecognitionID = oRecognition.ID;
                    RecognitionDA.InsertRecognitionDetail(tc, item);
                }

                #endregion

                tc.End();
                return oRecognition.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(int id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                RecognitionDA.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 UpdatePaidDate(List<RecognitionDetail> request, List<RecognitionDetail> Uncheckedrequest)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                foreach (RecognitionDetail item in request)
                {
                    RecognitionDA.UpdatePaidDate(tc, item);
                }

                foreach (RecognitionDetail hRRequest in Uncheckedrequest)
                {
                    hRRequest.PaidDate = DateTime.MinValue;
                    RecognitionDA.UpdatePaidDate(tc, hRRequest);
                }

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

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        #endregion

        #region RecognitionDetail Service Methods

        public List<RecognitionDetail> GetRecognitionDetails(int recognitionID)
        {
            List<RecognitionDetail> oRecognitionDetails = new List<RecognitionDetail>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(RecognitionDA.GetRecognitionDetails(tc, recognitionID));
                while (dr.Read())
                {
                    RecognitionDetail oRecognitionDetail = new RecognitionDetail();
                    oRecognitionDetail = this.CreateRecognitionDetailObject(dr);
                    oRecognitionDetails.Add(oRecognitionDetail);
                }

                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 oRecognitionDetails;
        }

        public List<RecognitionDetail> GetRecognitionDetails(EnumwfStatus enumwfStatus, DateTime fromDate,
            DateTime toDate, bool p)
        {
            List<RecognitionDetail> oRecognitionDetails = new List<RecognitionDetail>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr =
                    new DataReader(RecognitionDA.GetRecognitionDetails(tc, enumwfStatus, fromDate, toDate, p));
                while (dr.Read())
                {
                    RecognitionDetail oRecognitionDetail = new RecognitionDetail();
                    oRecognitionDetail = this.CreateRecognitionDetailObject(dr);
                    oRecognitionDetails.Add(oRecognitionDetail);
                }

                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 oRecognitionDetails;
        }

        //public List<RecognitionDetail> GetRecognitionDetails(EnumwfStatus enumwfStatus, DateTime fromDate, DateTime toDate, bool p)
        //{
        //    throw new NotImplementedException();
        //}

        #endregion
    }
}