using HRM.BO;
using Ease.Core.DataAccess;
using System;
using System.Data;


namespace HRM.DA
{
    #region LeaveException

    public class LeaveExceptionDA
    {
        #region Constructor

        public LeaveExceptionDA()
        {
        }

        #endregion

        #region Insert function

        public static void Insert(TransactionContext tc, LeaveException oItem)
        {
            tc.ExecuteNonQuery(
                "INSERT INTO LeaveException(EmployeeID, StartDate, EndDate, LeaveID, OpeningBalance, MaxDays, CFDays)" +
                " VALUES(%n, %d, %d,%n,%n,%n,%n)", oItem.EmployeeID, oItem.StartDate, oItem.EndDate, oItem.LeaveID,
                oItem.OpeningBalance, oItem.MaxDays, oItem.CFDays);
        }

        #endregion


        #region Get Function
        internal static IDataReader Get(TransactionContext tc)
        {
            return tc.ExecuteReader(@"SELECT * FROM LeaveException le Order By le.StartDate");
        }
        internal static IDataReader Get2(TransactionContext tc, DateTime dFrom, DateTime dTo)
        {
            string sql = SQLParser.MakeSQL(@"SELECT * FROM LeaveException le,employee emp 
                                        WHERE emp.EMPLOYEEID=le.EmployeeID  AND (startdate>=%d AND Enddate<=%d)
                                        Order By emp.EMPLOYEENO,le.StartDate", dFrom, dTo);
            return tc.ExecuteReader(sql);
        }

        internal static IDataReader GetByEmpID(TransactionContext tc, int nLeaveID, int nEmpID)
        {
            return tc.ExecuteReader(@"SELECT * FROM LeaveException
                                where LeaveExceptionid IN(
                                SELECT MAX(LeaveExceptionid) FROM LeaveException where  employeeid=%n
                                AND leaveid=%n
                                GROUP BY employeeid)
                                AND employeeid=%n
                                AND leaveid=%n", nEmpID, nLeaveID, nEmpID, nLeaveID);
        }

        #endregion

        #region Delete function

        public static void DeleteItem(TransactionContext tc, int nID)
        {
            tc.ExecuteNonQuery("DELETE FROM LeaveException WHERE LeaveExceptionID=%n", nID);
        }

        

        public static void Delete(TransactionContext tc, int nEmployeeID)
        {
            tc.ExecuteNonQuery("DELETE FROM LeaveException WHERE EmployeeID=%n ", nEmployeeID);
        }

        #endregion
    }

    #endregion
}