using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using HRM.BO;
using Ease.Core.DataAccess;
using System.Data;

namespace HRM.DA
{
    class DataPermissionDA
    {
        #region Constructor

        private DataPermissionDA()
        {
        }

        #endregion

        #region Insert function
        internal static void Insert(TransactionContext tc, DataPermission item)
        {
            tc.ExecuteNonQuery(
                "INSERT INTO DataPermission(UserID, PayrollTypeID, PermissionType, ReferenceID, CreatedBy, CreatedDate, PermissionStatus)" +
                " VALUES(%n, %n, %n, %n, %n, %D, %n)", item.UserID, item.PayrollTypeID, item.PermissionType,
                 item.ReferenceID, item.CreatedBy, item.CreatedDate,item.PermissionStatus);
        }

        #endregion

        #region Update function

        internal static void Update(TransactionContext tc, DataPermission item)
        {
            //tc.ExecuteNonQuery(
            //    "UPDATE Religion SET code=%s, name=%s, ModifiedBy=%n, ModifiedDate=%d, SequenceNo=%n, Status=%n, nameinbangla=%u" +
            //    " WHERE ReligionID=%n", item.Code, item.Name, DataReader.GetNullValue(item.ModifiedBy),
            //    DataReader.GetNullValue(item.ModifiedDate), item.Sequence, item.Status, item.NameInBangla, 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 Religion Where Status=%n  Order By SequenceNo", status);
            }
            else
            {
                return tc.ExecuteReader("SELECT * FROM Religion  Order By SequenceNo");
            }
        }

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

        #region
        internal static IDataReader GetUsersByUserType(TransactionContext tc, EnumUserType type)
        {
            return tc.ExecuteReader("SELECT * FROM Users where UserType = %n", type);
        }
        internal static bool hasPermissoin(TransactionContext tc, int userid, int payrolltypeid)
        {
            var datam= tc.ExecuteScalar("SELECT count(*) FROM DataPermission where UserID = %n and PayrollTypeID=%n", userid, payrolltypeid);
            if(datam == DBNull.Value)
            {
                return false;   
            }
            else
            {
                if( Convert.ToInt32( datam) ==0)
                    return false;
                else return true;
            }
        }
        #endregion
        internal static void InsertDataPermission(TransactionContext tc, DataPermission item)
        {
            item.CreatedDate = DateTime.Now;

            
            string sql = SQLParser.MakeSQL(@"INSERT INTO DataPermission(UserID, PayrollTypeID, PermissionType, ReferenceID, CreatedBy, CreatedDate, PermissionStatus)
                                            VALUES(%n, %n, %n, %n, %n, %d, %n)", item.UserID, item.PayrollTypeID, item.PermissionType, item.ReferenceID, item.CreatedBy, item.CreatedDate, item.PermissionStatus );

            tc.ExecuteNonQuery(sql);
        }

        
        internal static IDataReader GetDataPermission(TransactionContext tc)
        {
            return tc.ExecuteReader("SELECT * FROM DataPermission");
        }
        internal static IDataReader Get(TransactionContext tc, int userid, int payrolltypeid)
        {
            return tc.ExecuteReader(@"select d.*, c.DESCRIPTION referenceName from DataPermission d, CATEGORY c where PermissionType =1
                                    and d.ReferenceID = c.CATEGORYID and d.userid =%n and d.payrolltypeid =%n
                                    union
                                    select d.*, g.DESCRIPTION referenceName from DataPermission d, GRADES g where PermissionType = 2
                                    and d.ReferenceID = g.GRADEID and  d.userid =%n and d.payrolltypeid =%n
                                    union
                                    select d.*, dd.DESCRIPTION referenceName from DataPermission d, DEPARTMENT dd where PermissionType = 3
                                    and d.ReferenceID = dd.DEPARTMENTID and d.userid =%n and d.payrolltypeid =%n
                                    union
                                    select d.*, l.DESCRIPTION referenceName from DataPermission d, LOCATION l where PermissionType = 4
                                    and d.ReferenceID = l.LOCATIONID and d.userid =%n and d.payrolltypeid =%n", userid, payrolltypeid,
                                    userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid);

        }
        #endregion

        #region Delete function

        internal static void Delete(TransactionContext tc, int id)
        {

            tc.ExecuteNonQuery("DELETE FROM DataPermission WHERE DataPermissionID=%n", id);
        }

        #endregion
    }
}