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

namespace Payroll.Service.Attendence.DA
{
    #region  AttnRawDataDA

    internal class AttnRawDataDA
    {
        #region  Constructor

        private AttnRawDataDA() { }

        #endregion

        #region  Insert function

        internal static void Insert(TransactionContext tc, AttnRawData item)
        {
            tc.ExecuteNonQuery("INSERT INTO AttnRawData(CardID, EmployeeID, CardNo, PunchTime,EntryMode,DeviceIPAddress,DeviceNo)" +
            " VALUES(%n, %n, %s, %D, %n,%s,%s)", DataReader.GetNullValue(item.CardID,IDType.Integer), item.EmployeeID.Integer, item.CardNo, item.PunchTime, (int)item.EntryMode,item.DeviceIPAddress,item.DeviceNo);
        }

        #endregion

        //#region  Update function

        //internal static void Update(TransactionContext tc, AttnRawData item)
        //{
        //    tc.ExecuteNonQuery("UPDATE AttnRawData SET CardID=%n, EmployeeID=%n, CardNo=%s,PunchTime=%D,EntryMode=%n,DeviceIPAddress=%s,DeviceNo=%s" +
        //    " WHERE AttnRawDataID=%n", DataReader.GetNullValue(item.CardID, IDType.Integer), item.EmployeeID.Integer, item.CardNo, item.PunchTime, (int)item.EntryMode, item.DeviceIPAddress, item.DeviceNo, item.ID.Integer);
        //}

        //#endregion

        #region Get Function

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

        }

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

        internal static IDataReader Get(TransactionContext tc, DateTime fromDate, DateTime toDate)
        {
            string sql = SQLParser.MakeSQL("SELECT * FROM AttnRawData WHERE PunchTime between %D AND %D ORDER BY EmployeeID,PunchTime", fromDate, toDate);
            return tc.ExecuteReader(sql);
        }

        internal static bool IsDataExist(TransactionContext tc, DateTime fromDate, DateTime toDate)
        {
            string sql = SQLParser.MakeSQL("SELECT Count(*) FROM AttnRawData WHERE PunchTime between %D AND %D ", fromDate, toDate);
            object odata = tc.ExecuteScalar(sql);
            if (odata == DBNull.Value) return false;
            else
            {
                if (Convert.ToInt32(odata) > 0) return true;
                else return false;
            }
        }

        internal static DateTime GetRawDataMaxDateTime(TransactionContext tc)
        {
            string sql = SQLParser.MakeSQL("SELECT Max(PunchTime) FROM AttnRawData "); 
            object odata = tc.ExecuteScalar(sql); 
            
            if (odata == DBNull.Value) 
                return new DateTime(1901,1,1); 
            
            return Convert.ToDateTime(Convert.ToString(odata)); 
            
        }

        internal static DataSet GetEmployeeNo(TransactionContext tc, DateTime workdate)
        {
            DataSet employeeNo = new DataSet();
            try
            {
                string sql = SQLParser.MakeSQL("select distinct e.EMPLOYEENO from ATTNRAWDATA a "
                                              + "inner join Employee e on  e.EMPLOYEEID = a.EMPLOYEEID "
                                              + "where a.EMPLOYEEID not in (select EMPLOYEEID from MONTHLYWORKPLAN "
                                              + "where workdate=%d)"
                                              + "AND PunchTime =%d", workdate, workdate);

                employeeNo = tc.ExecuteDataSet(sql);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return employeeNo;
        }

        internal static DataSet GetCoatsRawData(TransactionContext tc, DateTime minDate)
        {
            DataSet rawData = new DataSet();
            try
            {
                string sql = SQLParser.MakeSQL(@"SELECT * FROM RawCoats where PunchTime>=%d", minDate);

                rawData = tc.ExecuteDataSet(sql);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return rawData;
        }
        
        internal static DataSet GetInOutData(TransactionContext tc,DateTime startDate, DateTime endDate, int employeeID)
        {
            DataSet rawData = new DataSet();
            try
            {
                string sql = SQLParser.MakeSQL(@"SELECT COALESCE(InTable.EmployeeID,OutTable.EmployeeID) EmployeeID,COALESCE(InTable.WorkingDate,OutTable.WorkingDate) AttnDate,InTime,OutTime from
                (SELECT ard.EmployeeID,Max(CAST(ard.PunchTime AS DATE)) WorkingDate, MIN(ard.PunchTime) InTime
                FROM AttnRawData ard WHERE ard.EmployeeID=%n AND entryMode=1 AND CAST(ard.PunchTime AS DATE) BETWEEN  %d AND %d  GROUP BY CAST(ard.PunchTime AS DATE),EmployeeID) as InTable
                Full OUTER JOIN
                ( SELECT ard.EmployeeID,Max(CAST(ard.PunchTime AS DATE)) WorkingDate, MAX(ard.PunchTime) OutTime
                FROM AttnRawData ard WHERE ard.EmployeeID=%n AND entryMode=2 AND  CAST(ard.PunchTime AS DATE) BETWEEN %d AND %d  GROUP BY CAST(ard.PunchTime AS DATE),EmployeeID) as OutTable
                ON 
                InTable.WorkingDate=OutTable.WorkingDate", employeeID,startDate,endDate, employeeID,startDate,endDate);
                rawData = tc.ExecuteDataSet(sql);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return rawData;
        }
        #endregion

        #region  Delete function

        //internal static void Delete(TransactionContext tc, ID nID)
        //{
        //    tc.ExecuteNonQuery("DELETE FROM [AttnRawData] WHERE AttnRawDataID=%n", nID);
        //}
        internal static void Delete(TransactionContext tc, DateTime fromTime)
        {
            tc.ExecuteNonQuery("DELETE FROM AttnRawData WHERE PunchTime>=%D", fromTime);
        }
        #endregion

    }
    
    #endregion
}