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


namespace HRM.DA
{
    #region Leave

    public class LeaveDA
    {
        #region Constructor

        public LeaveDA()
        {
        }

        #endregion

        #region Insert function

        public static void Insert(TransactionContext tc, Leave oItem)
        {
            tc.ExecuteNonQuery(
                "INSERT INTO Leave(LeaveID, Code, Description,RemarksNeeded,ApplicableFor,IsBalanceCalRequired,AutoLeaveReason,CreatedBy, CreatedDate, SequenceNo," +
                " Status,IsEarnedLeave,IsHalfDayLeave,IsCompensatoryLeave, IsAttachmentNeeded, PayrollTypeID,AttachmentMaxDays,IsLFA,LfaMaxDays," +
                "AllowNegativeBalance,MaxConsequentDays, IsPreApproval, PreApprovalDays, IsSelfCancellation, " +
                "SelfCancellationDays, CancelOnApprovalLeaveEntry, HasMinimumDays, MinimumDays, DescriptionInBangla, BalanceRoundofDigit)" +
                " VALUES(%n, %s, %s,%b,%n,%b,%b, %n, %d, %n, %n,%b,%b,%b,%b,%n,%n,%b,%n,%b,%n, %b, %n, %b, %n, %n, %n, %n, %u, %n)", oItem.ID, oItem.Code,
                oItem.Description, oItem.RemarksNeeded, oItem.ApplicableFor, oItem.IsBalanceCalculationNeeded,
                oItem.AutoLeaveReason, DataReader.GetNullValue(oItem.CreatedBy),
                DataReader.GetNullValue(oItem.CreatedDate), oItem.Sequence, oItem.Status, oItem.IsEarnedLeave,
                oItem.IsHalfDayLeave, oItem.IsCompensatoryLeave, oItem.IsAttachmentNeeded, oItem.PayrollTypeID, oItem.AttachmentMaxDays, oItem.IsLFA, oItem.LfaMaxDays, oItem.AllowNegativeBalance, oItem.MaxConsequentDays,
                oItem.IsPreApproval, oItem.PreApprovalDays, oItem.IsSelfCancellation, oItem.SelfCancellationDays, 
                oItem.CancelOnApprovalLeaveEntry, oItem.HasMinimumDays, oItem.MinimumDays, oItem.DescriptionInBangla, oItem.BalanceRoundofDigit);
        }

        #endregion

        #region Update function

        public static void Update(TransactionContext tc, Leave oItem)
        {
            string sql = SQLParser.MakeSQL("UPDATE Leave SET Code=%s, Description=%s,RemarksNeeded=%b,ApplicableFor=%n,IsBalanceCalRequired=%b,AutoLeaveReason=%b, " +
                "ModifiedBy=%n, ModifiedDate=%d, SequenceNo=%n, Status=%n,IsEarnedLeave=%b,IsHalfDayLeave=%b,IsCompensatoryLeave=%b, " +
                "IsAttachmentNeeded=%b, AttachmentMaxDays=%n,IsLFA=%b,LfaMaxDays=%n,AllowNegativeBalance=%b,MaxConsequentDays=%n, " +
                "IsPreApproval=%b, PreApprovalDays=%n, IsSelfCancellation=%b, SelfCancellationDays=%n, CancelOnApprovalLeaveEntry=%n, HasMinimumDays = %n,  " +
                "MinimumDays = %n, DescriptionInBangla=%u, BalanceRoundofDigit=%n " +
                " WHERE LeaveID=%n", oItem.Code, oItem.Description, oItem.RemarksNeeded, oItem.ApplicableFor,
                oItem.IsBalanceCalculationNeeded, oItem.AutoLeaveReason, oItem.ModifiedBy, oItem.ModifiedDate,
                oItem.Sequence, oItem.Status, oItem.IsEarnedLeave, oItem.IsHalfDayLeave, oItem.IsCompensatoryLeave,
                oItem.IsAttachmentNeeded, oItem.AttachmentMaxDays, oItem.IsLFA, oItem.LfaMaxDays, oItem.AllowNegativeBalance,
                oItem.MaxConsequentDays, oItem.IsPreApproval, oItem.PreApprovalDays, oItem.IsSelfCancellation, oItem.SelfCancellationDays,
                oItem.CancelOnApprovalLeaveEntry, oItem.HasMinimumDays, oItem.MinimumDays, oItem.DescriptionInBangla, oItem.BalanceRoundofDigit,
                oItem.ID);
            tc.ExecuteNonQuery(sql);
        }

        #endregion

        #region ID Generation function

        public static int GetNewID(TransactionContext tc)
        {
            return tc.GenerateID("Leave", "LeaveID");
        }

        #endregion

        #region Get Function

        internal static IDataReader Get(TransactionContext tc, EnumStatus status, string code, string name,
            int payrollTypeID)
        {
            string sqlClause = string.Empty;
            sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("PayrollTypeID = %n", payrollTypeID);
            if (EnumStatus.Active == status || EnumStatus.Inactive == status)
            {
                sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("status = %n", status);
            }

            if (!string.IsNullOrWhiteSpace(code))
            {
                sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("Code = %s", code);
            }

            if (!string.IsNullOrWhiteSpace(name))
            {
                sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("Description LIKE %s", ("%" + name + "%"));
            }

            return tc.ExecuteReader("SELECT * FROM Leave %q order by Description", sqlClause);
        }

        public static IDataReader Get(TransactionContext tc)
        {
            return tc.ExecuteReader("SELECT * FROM Leave ORDER BY LEAVEID");
        }


        public static IDataReader Get(TransactionContext tc, string InParameterSQL, int payrollTypeID)
        {
            return tc.ExecuteReader("SELECT * FROM Leave Where LeaveID IN (Select "
                                    + " LeaveID From LeavePARAMETER where LEAVEPARAMID IN (%q) ) AND PayrollTypeID=%n  ORDER BY LEAVEID",
                InParameterSQL, payrollTypeID);
        }


        public static IDataReader GetEmpApplicableLeave(TransactionContext tc, int empid)
        {
            return tc.ExecuteReader(@"select l.* from LEAVE l , LEAVEPARAMETER lp ,LeaveParameterItem lim, EMPLOYEE e where 
	lim.LEAVEPARAMID =lp.LEAVEPARAMID and lim.ItemID = e.GRADEID  and e.EMPLOYEEID  =%n
	and l.LEAVEID = lp.LEAVEID and (l.APPLICABLEFOR=0 OR e.GENDER = l.APPLICABLEFOR ) order by l.DESCRIPTION",
                empid);
        }

        public static IDataReader Get(TransactionContext tc, int nLeaveID)
        {
            return tc.ExecuteReader("SELECT * FROM Leave WHERE LeaveID=%n", nLeaveID);
        }

        public static IDataReader GetAll(TransactionContext tc)
        {
            return tc.ExecuteReader("SELECT * FROM Leave");
        }

        public static IDataReader GetIDByName(TransactionContext tc, string sLeave, int payrollTypeID)
        {
            return tc.ExecuteReader("SELECT * FROM Leave WHERE Description=%s AND PayrollTypeID=%n", sLeave,
                payrollTypeID);
        }

        public static IDataReader GetIDByCode(TransactionContext tc, string sLeave, int payrollTypeID)
        {
            return tc.ExecuteReader("SELECT * FROM Leave WHERE CODE=%s AND PayrollTypeID=%n", sLeave, payrollTypeID);
        }

        #endregion

        #region Delete function

        public static void Delete(TransactionContext tc, int nLeaveID, int payrollTypeID)
        {
            tc.ExecuteNonQuery("DELETE FROM Leave WHERE LeaveID=%n AND PayrollTypeID=%n", nLeaveID, payrollTypeID);
        }

        internal static IDataReader GetLeaves(TransactionContext tc, int payrollTypeID)
        {
            return tc.ExecuteReader("SELECT * FROM Leave WHERE  PayrollTypeID=%n", payrollTypeID);
        }

        #endregion
    }

    #endregion
}