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;
using HRM.DA;

namespace HRM.DA
{
    public class SurveyAnswerCountService : ServiceTemplate, ISurveyAnswerCountService
    {
        public SurveyAnswerCountService()
        {
        }

        private void MapObject(SurveyAnswerCount oSurveyAnswerCount, DataReader oReader)
        {
            //base.SetObjectID(oSurveyAnswerCount, oReader.GetID("SurveyAnswerCountID"));
            oSurveyAnswerCount.SurveyID = oReader.GetInt32("SurveyID", 0);
            oSurveyAnswerCount.QuestionID = oReader.GetInt32("QuestionID").GetValueOrDefault();
            oSurveyAnswerCount.AnswerID = oReader.GetInt32("AnswerID").GetValueOrDefault();
            oSurveyAnswerCount.HitCount = oReader.GetInt32("HitCount").GetValueOrDefault();
            this.SetObjectState(oSurveyAnswerCount, Ease.Core.ObjectState.Saved);
        }

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

        protected SurveyAnswerCount CreateObject(DataReader oReader)
        {
            SurveyAnswerCount oSurveyAnswerCount = new SurveyAnswerCount();
            MapObject(oSurveyAnswerCount, oReader);
            return oSurveyAnswerCount;
        }

        #region Service implementation

        public List<SurveyAnswerCount> GetSurveyAnswerCount()
        {
            List<SurveyAnswerCount> oSurveyAnswerCounts = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(SurveyAnswerCountDA.GetSurveyAnswerCount(tc));
                oSurveyAnswerCounts = this.CreateObjects<SurveyAnswerCount>(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 oSurveyAnswerCounts;
        }

        public List<SurveyAnswerCount> GetSurveyAnswerCount(int surveyId)
        {
            List<SurveyAnswerCount> oSurveyAnswerCounts = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(SurveyAnswerCountDA.GetSurveyAnswerCount(tc, surveyId));
                oSurveyAnswerCounts = this.CreateObjects<SurveyAnswerCount>(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 oSurveyAnswerCounts;
        }

        public SurveyAnswerCount GetSurveyAnswerCount(int surveyId, int nQuestionId, int nAnswerId)
        {
            SurveyAnswerCount oSurveyAnswerCount = null;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader =
                    new DataReader(SurveyAnswerCountDA.GetSurveyAnswerCount(tc, surveyId, nQuestionId, nAnswerId));
                if (oreader.Read())
                {
                    oSurveyAnswerCount = this.CreateObject<SurveyAnswerCount>(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 SurveyAnswerCount", e);

                #endregion
            }

            return oSurveyAnswerCount;
        }

        public int Save(SurveyAnswerCount oSurveyAnswerCount)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);

                if (oSurveyAnswerCount.IsNew)
                {
                    //int id = tc.GenerateID("SurveyAnswerCount", "SurveyAnswerCountID");
                    //base.SetObjectID(oSurveyAnswerCount, (id));


                    SurveyAnswerCountDA.Insert(tc, oSurveyAnswerCount);
                }
                else
                {
                    SurveyAnswerCountDA.Update(tc, oSurveyAnswerCount);
                }

                tc.End();
                return oSurveyAnswerCount.SurveyID;
            }
            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);
                SurveyAnswerCountDA.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
            }
        }

        #endregion
    }
}