using System;
using Payroll.BO;
using System.Data;
using System.Linq;
using Ease.CoreV35.Model;
using System.Data.SqlClient;
using Ease.CoreV35.DataAccess;
using System.Collections.Generic;
using Ease.CoreV35.DataAccess.SQL;

namespace Payroll.Service
{
    #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.Integer, item.SalaryMonthlyID.Integer, item.UserID.Integer, item.ProcessMonthDate, item.Provision);
        }

        #endregion
        

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

        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, ID nEmpID, ID nSalaryMonthlyID)
        {
            tc.ExecuteNonQuery("DELETE FROM [ESBProvision] WHERE EmployeeID=%n and SalaryMonthlyID=%n", nEmpID.Integer,nSalaryMonthlyID.Integer);
        }
        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
}