using System;
using Ease.Core.Model;
using Ease.Core.DataAccess;
using HRM.BO;
using Ease.Core.Utility;
using System.Collections.Generic;
using System.Data;

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

        private TaxInvestmentDA()
        {
        }

        #endregion

        #region Insert function

        internal static void Insert(TransactionContext tc, TaxInvestment item)
        {
            tc.ExecuteNonQuery(
				"INSERT INTO INVTYPE(TypeID, typeCode, typeName, CreatedBy, CreationDate, SequenceNo, Status,MaxLimit)" +
                " VALUES(%n, %s, %s, %n, %d, %n, %n,%n)", item.ID, item.Code, item.Name, item.CreatedBy, item.CreatedDate,
                item.Sequence, item.Status, item.MaxLimit);
        }

        #endregion

        #region Update function

        internal static void Update(TransactionContext tc, TaxInvestment item)
        {
            tc.ExecuteNonQuery(
				"UPDATE INVTYPE SET typeCode=%s, typeName=%s, ModifiedBy=%n, ModifiedDate=%d, SequenceNo=%n, Status=%n,MaxLimit=%n" +
                " WHERE TypeID=%n", item.Code, item.Name, item.ModifiedBy, item.ModifiedDate, item.Sequence,
                item.Status,item.MaxLimit, item.ID);
        }

        #endregion

        #region Get Function

        internal static IDataReader Get(TransactionContext tc, EnumStatus status)
        {
            if (EnumStatus.Active == status || EnumStatus.Inactive == status)
            {
                return tc.ExecuteReader("SELECT * FROM INVTYPE where Status=%n Order By SequenceNo", status);
            }
            else
            {
                return tc.ExecuteReader("SELECT * FROM INVTYPE Order By SequenceNo");
            }
        }

        internal static DataTable GetInfoForAdmin(TransactionContext tc, int taxParamId, int entryFrom, int taxEffectDone)
        {
            string subSql = String.Empty;
            if (entryFrom > 0)
            {
                subSql += SQLParser.MakeSQL("And invest.entryFrom = %n ", entryFrom);
            }
            subSql += SQLParser.MakeSQL("And invest.taxEffectDone = %n", taxEffectDone);
            string sql = SQLParser.MakeSQL(
                @"SELECT invest.INVESTMENTID InvestmentId,  e.Name EmployeeName, e.EmployeeNo EmployeeNo, iType.TYPENAME, invest.AMOUNT Amount, d.NAME Designation , invest.entryFrom EntryFrom, invest.taxeffectDone submitStatus 
                FROM ITINVESTMENT invest 
                LEFT JOIN EMPLOYEE e ON e.EMPLOYEEID = invest.EMPLOYEEID
                LEFT JOIN INVTYPE iType ON invest.typeId = iType.typeId
                LEFT JOIN DESIGNATION d ON d.DESIGNATIONID = e.DESIGNATIONID
                where invest.TAXPARAMID = %n  %q  order by invest.InvestmentId desc, e.EmployeeNo, iType.TYPENAME asc", taxParamId, subSql);

            return tc.ExecuteDataTable(sql);
        }

        internal static DataTable GetInvestmentDetailAdmin(TransactionContext tc, int taxParamId)
        {
            string sql = SQLParser.MakeSQL(
                @"SELECT e.Name AS EmployeeName, e.EmployeeNo AS EmployeeNo, iType.TYPENAME AS TypeName, d.NAME AS Designation,
                        SUM(invest.AMOUNT) AS TotalAmount, iType.MaxLimit AS Limit,
                        CASE 
                            WHEN iType.MaxLimit > 100 THEN 
                                CASE 
                                    WHEN iType.MaxLimit > SUM(invest.AMOUNT) THEN SUM(invest.AMOUNT) 
                                    ELSE iType.MaxLimit 
                                END
                            ELSE iType.MaxLimit 
                        END AS InvestmentConsider

                        FROM ITINVESTMENT invest
                        LEFT JOIN EMPLOYEE e ON e.EMPLOYEEID = invest.EMPLOYEEID
                        LEFT JOIN INVTYPE iType ON invest.typeId = iType.typeId
                        LEFT JOIN DESIGNATION d ON d.DESIGNATIONID = e.DESIGNATIONID
                        WHERE invest.TAXPARAMID = %n

                        GROUP BY invest.typeId, e.Name, e.EMPLOYEEID, e.EmployeeNo, iType.TYPENAME, iType.TYPEID, d.NAME, iType.MaxLimit
                        ORDER BY e.EmployeeNo ASC, iType.TYPENAME ASC;", taxParamId);

            return tc.ExecuteDataTable(sql);
        }

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

        #endregion

        #region Delete function

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

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

        #endregion
    }
}