using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ease.CoreV35.DataAccess;
using System.Data;
using HRM.BO;
using Ease.Core.DataAccess;

namespace HRM.DA
{
    #region ShiftTermDA

    internal class ShiftTermDA
    {
        #region Constructor

        private ShiftTermDA()
        {
        }

        #endregion

        #region Insert function

        internal static void Insert(TransactionContext tc, ShiftTerm item)
        {
            tc.ExecuteNonQuery(
                "INSERT INTO ShiftTerm(ShiftTermID, ShiftID, WeekendTermID, HolidayTermID, CreatedBy, CreatedDate)" +
                " VALUES(%n, %n, %n, %n, %n, %d)", item.ID, item.ShiftID, item.WeekendTermID, item.HolidayTermID,
                item.CreatedBy, item.CreatedDate);
        }

        #endregion

        #region Update function

        internal static void Update(TransactionContext tc, ShiftTerm item)
        {
            tc.ExecuteNonQuery(
                "UPDATE ShiftTerm SET ShiftID=%n, WeekendTermID=%n, HolidayTermID=%n, ModifiedBy=%n, ModifiedDate=%d" +
                " WHERE ShiftTermID=%n", item.ShiftID, item.WeekendTermID, item.HolidayTermID, item.ModifiedBy,
                item.ModifiedDate, item.ID);
        }

        #endregion

        #region Get Function

        internal static IDataReader Get(TransactionContext tc)
        {
            return tc.ExecuteReader("SELECT * FROM ShiftTerm");
        }

        internal static IDataReader Get(TransactionContext tc, int nID)
        {
            return tc.ExecuteReader("SELECT * FROM ShiftTerm WHERE ShiftTermID=%n", nID);
        }

        internal static IDataReader GetByShiftID(TransactionContext tc, int shiftID)
        {
            return tc.ExecuteReader("SELECT * FROM ShiftTerm WHERE ShiftID=%n", shiftID);
        }

        internal static DataSet GetEmpOT(TransactionContext tc, DateTime date, int termID)
        {
            DataSet empOT = new DataSet();
            try
            {
                //string sql = SQLParser.MakeSQL("select d.EmployeeID, "
                //                               + "((sum (floor(d.OTHour))+ floor(((sum (d.OTHour-floor(d.OTHour)))*100)/60)) + cast(((cast(((sum(d.OTHour-floor(d.OTHour)))*100) AS INT))*(60/100)) AS FLOAT)/100) TotalOT "
                //                               + "from DailyAttnProcess d "
                //                               + "where d.ShiftID in (select distinct shiftID from ShiftTerm st, ShiftTermDetail std, Term t "
                //                               + "where st.ShiftTermID=std.ShiftTermID and std.TermID=t.TermID and t.TermID=%n) "
                //                               + "and d.AttnDate between %d and %d "
                //                               + "Group By  d.EmployeeID", termID,
                //    GlobalFunctions.FirstDateOfMonth(date), GlobalFunctions.LastDateOfMonth(date));

                string sql = SQLParser.MakeSQL(@"select d.EmployeeID, sum (ISNULL(d.OTHour,0)) AS TotalOT
                                        from DailyAttnProcess d where d.ShiftID in(select distinct shiftID from ShiftTerm st, ShiftTermDetail std, Term t
                                        where st.ShiftTermID=std.ShiftTermID and std.TermID=t.TermID and t.TermID=%n)
                                        and d.AttnDate between %d and %d
                                        Group By  d.EmployeeID", termID, GlobalFunctions.FirstDateOfMonth(date), GlobalFunctions.LastDateOfMonth(date));


                empOT = tc.ExecuteDataSet(sql);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            return empOT;
        }

        #endregion

        #region Delete function

        internal static void Delete(TransactionContext tc, int nID)
        {
            tc.ExecuteNonQuery("DELETE FROM ShiftTerm WHERE ShiftTermID=%n", nID);
        }

        #endregion
    }

    #endregion
}