using System;
using Ease.Core.Model;
using Ease.Core.DataAccess;
using HRM.BO;
using Ease.Core.Utility;
using System.Collections.Generic;
using System.Data;
using NPOI.SS.Formula.Functions;
using static iTextSharp.text.pdf.PdfDocument;


namespace HRM.DA
{
    internal class EmployeeTaxInvestmentDA
    {
        #region Constructor

        private EmployeeTaxInvestmentDA()
        {
        }

        #endregion

        #region Insert function

        internal static void Insert(TransactionContext tc, EmployeeTaxInvestment item)
        {



        tc.ExecuteNonQuery(
                "INSERT INTO ITINVESTMENT(InvestmentID, employeeID, amount, taxParamID, typeID, CreatedBy, CreationDate, SequenceNo, Status, EntryFrom, taxeffectDone)" +
                " VALUES(%n, %n, %n, %n, %n, %n, %d, %n, %n, %n, %n)", item.ID, item.EmployeeID, item.Amount,
                item.TaxparameterId, item.TypeID, item.CreatedBy, item.CreatedDate, 
                item.Sequence, item.Status, item.EntryFrom, item.submitStatus);
        }

        #endregion

        #region Update function

        internal static void Update(TransactionContext tc, EmployeeTaxInvestment item)
        {
            tc.ExecuteNonQuery(
                "UPDATE ITINVESTMENT SET employeeID=%n, amount=%n, taxParamID=%n, typeID=%n, ModifiedBy=%n, ModifiedDate=%d, SequenceNo=%n, Status=%n" +
                " , EntryFrom=%n, taxeffectDone=%n WHERE InvestmentID=%n", item.EmployeeID, item.Amount, item.TaxparameterId, item.TypeID,
                item.ModifiedBy, item.ModifiedDate, item.Sequence, item.Status, item.EntryFrom, item.submitStatus, item.ID);
        }

        internal static void Approve(TransactionContext tc, EmployeeTaxInvestment item)
        {
            tc.ExecuteNonQuery(
                "UPDATE ITINVESTMENT SET  ModifiedBy=%n, ModifiedDate=%d" +
                " ,taxeffectDone=%n WHERE InvestmentID=%n", item.ModifiedBy, item.ModifiedDate, 
                item.submitStatus, item.ID);
        }

        internal static DataTable  getSummaryView(TransactionContext tc, int taxparamid)
        {
          return  tc.ExecuteDataTable(
                    @"select e.employeeNo employeeno, e.NAME name, d.NAME designation, ISNULL(a.ess, 0) fromess, 
                    ISNULL(b.admin, 0) fromadmin,
                    ISNULL(a.ess, 0) + ISNULL(b.admin, 0) total ,  Round(ISNULL(c.investmentallowed , 0 ) -ISNULL(f.pfAmount , 0 ) *2,0) investmentallowed  from
                    Employee e left outer join
                    (
                    select EMPLOYEEID, sum(Amount) ess from ITINVESTMENT where entryFrom = 1 and TAXPARAMID = %n
                    and taxeffectDone=%n  group by EMPLOYEEID) a on e.EMPLOYEEID = a.EMPLOYEEID
                    left outer join
                    (
                    select EMPLOYEEID, sum(Amount) admin from ITINVESTMENT where entryFrom = 2 and TAXPARAMID = %n
                    and taxeffectDone=%n group by EMPLOYEEID) b on b.EMPLOYEEID = e.EMPLOYEEID
                    left outer join DESIGNATION d on e.DESIGNATIONID = d.DESIGNATIONID
                    left outer join 
                    (
                    select EMPLOYEEID, ISNULL( sum(THISYEARTOTAL), 0 ) investmentallowed from INCOMETAXTEMP where ITEMCODE =-220 
                     group by EMPLOYEEID ) c on c.EMPLOYEEID = e.EMPLOYEEID 
                     left outer join 
                    (
                    select EMPLOYEEID, ISNULL( sum(THISYEARTOTAL), 0 ) pfAmount from INCOMETAXTEMP where ITEMCODE =-207 
                     group by EMPLOYEEID ) f on f.EMPLOYEEID = e.EMPLOYEEID 
                    where e.STATUS = 1
                ", taxparamid, EnumTaxInvestmentStatus.Approve, taxparamid, EnumTaxInvestmentStatus.Approve);
        }



        internal static void Reject(TransactionContext tc, EmployeeTaxInvestment item)
        {
            tc.ExecuteNonQuery(
                "UPDATE ITINVESTMENT SET rejectReason=%s,  ModifiedBy=%n, ModifiedDate=%d" +
                " ,taxeffectDone=%n WHERE InvestmentID=%n", item.rejectReason, item.ModifiedBy, item.ModifiedDate,
                item.submitStatus, item.ID);
        }

        #endregion

        #region Get Function

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

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

        internal static double GetAmount(TransactionContext tc, int nTaxParamID, int nEmployeeID)
        {
            object InvestAmount =
                tc.ExecuteScalar("SELECT Sum(amount)  Amount FROM ITINVESTMENT WHERE taxParamID=%n AND employeeID=%n"
                   + " AND taxeffectDone=%n ", nTaxParamID, nEmployeeID, EnumTaxInvestmentStatus.Approve);
            if (InvestAmount == DBNull.Value)
                return 0.0;
            return Convert.ToDouble(InvestAmount);
        }

        public static IDataReader GetFile(TransactionContext tc, int referenceId, EnumTaxAttachment type)
        {
            string sql =
                SQLParser.MakeSQL(
                    "select * from TaxAttachment where referenceId = %n and fileType = %n",
                    referenceId, (int)type);
            return tc.ExecuteReader(sql);
        }

        #endregion

        #region Delete function

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

        internal static void DeleteAttachment(TransactionContext tc, int referenceId, EnumTaxAttachment type)
        {
            tc.ExecuteNonQuery("DELETE FROM TaxAttachment WHERE referenceId=%n and fileType = %n", referenceId, (int)type);
        }

        internal static void DeleteAdmin(TransactionContext tc, int taxparamId, int emplioyeeid, int typeID)
        {
            tc.ExecuteNonQuery("DELETE FROM ITINVESTMENT WHERE taxParamID=%n AND employeeID=%n AND typeID=%n " +
                "AND EntryFrom =%n",
                taxparamId, emplioyeeid, typeID, EnumTaxInvestment.Admin);
        }

        #endregion

        internal static IDataReader GetAllUsersInfo(TransactionContext tc, int taxparid)
        {
            return tc.ExecuteReader(
                @"select employeeid ,MAX(INVESTMENTID) INVESTMENTID, SUM(AMOUNT) AMOUNT ,MAX(TYPEID)  TYPEID , MAX(INVDATE)  INVDATE ,
                MAX(USERID) USERID,
                MAX(TAXPARAMID) TAXPARAMID,
                MAX(SequenceNO) SequenceNO,
                MAX(Status) Status,
                MAX(CreatedBy) CreatedBy,
                MAX(CreationDate) CreationDate,
                MAX(ModifiedBy) ModifiedBy,
                MAX(ModifiedDate) ModifiedDate
                from ITINVESTMENT where  TAXPARAMID = %n and
                TYPEID in (select TYPEID from ITINVESTMENT) group by EMPLOYEEID", taxparid);
        }

        internal static IDataReader GetAllUsersInfoNew(TransactionContext tc, int taxparid)
        {
            return tc.ExecuteReader(
                @"SELECT 
                        employeeid,
                        INVESTMENTID,
                        AMOUNT,
                        TYPEID,
                        INVDATE,
                        USERID,
                        TAXPARAMID,
                        SequenceNO,
                        Status,
                        CreatedBy,
                        CreationDate,
                        ModifiedBy,
                        ModifiedDate
                    FROM 
                        ITINVESTMENT 
                    WHERE 
                        TAXPARAMID = %n
                        AND TYPEID IN (SELECT TYPEID FROM ITINVESTMENT)", taxparid);
        }
        internal static IDataReader GetEmpByTaxparam(TransactionContext tc, int taxparid)
        {
            return tc.ExecuteReader(
                @"select e.EmployeeNo, e.Name as EmployeeName, ITINVESTMENT.*
                from ITINVESTMENT, Employee e
                where ITINVESTMENT.TAXPARAMID = %n and e.Employeeid =ITINVESTMENT.Employeeid
                ", taxparid);
        }



        internal static IDataReader GetSingleEmpsInfo(TransactionContext tc, int id, int taxparamid)
        {
            return tc.ExecuteReader(
                "Select * from ITINVESTMENT where EMPLOYEEID = %n and TAXPARAMID=%n",
                id, taxparamid);
        }
        internal static IDataReader GetbyTaxParamID(TransactionContext tc, int taxparamid)
        {
            return tc.ExecuteReader(
                "Select * from ITINVESTMENT where TAXPARAMID=%n",
                 taxparamid);
        }

        #region Other function

        public static bool IsExist(TransactionContext tc, int empId, int taxParamId, int typeId)
        {
            bool Exist = false;
            Object obj =
                tc.ExecuteScalar(
                    "Select COUNT (*) FROM ITINVESTMENT WHERE employeeID=%n AND taxParamID=%n  AND typeID=%n", empId,
                    taxParamId, typeId);
            Exist = Convert.ToInt32(obj) > 0 ? true : false;
            return Exist;
        }

        #endregion
    }
}