using System;
using System.Data;
using System.Linq;
using Ease.Core.Model;
using System.Data.SqlClient;
using Ease.Core.DataAccess;
using System.Collections.Generic;
using Ease.Core.DataAccess.SQL;
using HRM.BO;

namespace HRM.DA
{
    #region ESBProvisionDA

    internal class ESBProvisionDA
    {
        #region Constructor

        private ESBProvisionDA()
        {
        }

        #endregion

        #region Insert function

        internal static void Insert(TransactionContext tc, ESBProvision item)
        {
            //, ProvisionOne,ProvisionTwo  , %n, %n    , item.ProvisionOne, item.ProvisionTwo
            tc.ExecuteNonQuery(
                "INSERT INTO ESBProvision(EmployeeID, SalaryMonthlyID, UserID, ProcessMonthDate, Provision)" +
                " VALUES(%n, %n, %n, %d, %n)", item.EmployeeID, item.SalaryMonthlyID, item.UserID,
                item.ProcessMonthDate, item.Provision);
        }

        #endregion


        #region Get Function

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

        internal static IDataReader GetProvision(TransactionContext tc, string sEmpID, DateTime GratuityMonth)
        {
            string sSQL = string.Empty;
            sSQL = SQLParser.MakeSQL("SELECT * FROM ESBProvision WHERE EmployeeID in (%q) and ProcessMonthDate=%d",
                sEmpID, GratuityMonth);
            return tc.ExecuteReader("SELECT * FROM ESBProvision WHERE EmployeeID in (%q) and ProcessMonthDate=%d",
                sEmpID, GratuityMonth);
        }

        #endregion

        #region Delete function

        internal static void Delete(TransactionContext tc, int nEmpID, int nSalaryMonthlyID)
        {
            tc.ExecuteNonQuery("DELETE FROM ESBProvision WHERE EmployeeID=%n and SalaryMonthlyID=%n", nEmpID,
                nSalaryMonthlyID);
        }

        internal static IDataReader GetProvision(TransactionContext tc, DateTime dFromDate, DateTime dToDate)
        {
            return tc.ExecuteReader("SELECT * FROM ESBProvision where ProcessMonthDate between %d and %d ", dFromDate,
                dToDate);
        }

        internal static IDataReader GetProvision(TransactionContext tc, int nEmpID, DateTime dFromDate,
            DateTime dToDate)
        {
            return tc.ExecuteReader(
                "SELECT * FROM ESBProvision where EmployeeID=%n AND ProcessMonthDate between %d and %d ", nEmpID,
                dFromDate, dToDate);
        }

        internal static double GetOpeningBalance(TransactionContext tc, int nEmpID, DateTime fromDate)
        {
            object amount = tc.ExecuteScalar("SELECT SUM(Provision) FROM ESBProvision WHERE"
                                             + " EmployeeID=%n AND ProcessMonthDate < %d", nEmpID, fromDate);
            if (amount == DBNull.Value)
                return 0;
            else return Convert.ToDouble(amount);
        }

        internal static DataSet GetCumulativeProv(TransactionContext tc, DateTime dateTime)
        {
            DataSet oCumulativeProvs = new DataSet();
            try
            {
                oCumulativeProvs = tc.ExecuteDataSet("SELECT EmployeeID,SUM(Provision) FROM ESBProvision WHERE"
                                                     + " ProcessMonthDate < %d Group by EmployeeID", dateTime);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            return oCumulativeProvs;
        }

        #endregion
    }

    #endregion
}