using System;
using System.Data;
using Ease.Core.DataAccess;
using HRM.BO;

namespace HRM.DA
{
    #region SkillDA

    internal class SkillDA
    {
        #region Constructor

        private SkillDA()
        {
        }

        #endregion

        #region Insert function

        internal static void Insert(TransactionContext tc, Skill item)
        {
            tc.ExecuteNonQuery(
                "INSERT INTO Skill(SkillID, Code, Name,ParentID,CreatedBy, CreationDate, SequenceNo,Status,Tire)" +
                " VALUES(%n, %s, %s, %n,%n, %d, %n,%n,%n)", item.ID, item.Code, item.Name,
                DataReader.GetNullValue(item.ParentID, 0), item.CreatedBy, item.CreatedDate, item.Sequence, item.Status,
                item.Tier);
        }

        #endregion

        #region Update function

        internal static void Update(TransactionContext tc, Skill item)
        {
            tc.ExecuteNonQuery(
                "UPDATE Skill SET Code=%s, Name=%s,ParentID=%n, ModifiedBy=%n, ModifiedDate=%d, SequenceNo=%n, Status=%n,Tire=%n" +
                "WHERE SkillID=%n", item.Code, item.Name, DataReader.GetNullValue(item.ParentID, 0), item.ModifiedBy,
                item.ModifiedDate, item.Sequence, item.Status, item.Tier, item.ID);
        }

        #endregion

        #region Delete function

        internal static void Delete(TransactionContext tc, int nID)
        {
            tc.ExecuteNonQuery("DELETE FROM Skill Where SkillID=%n", nID);
        }

        #endregion

        #region Get Function

        internal static IDataReader Get(TransactionContext tc)
        {
            return tc.ExecuteReader("SELECT * FROM Skill Order By SequenceNo");
        }

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

        internal static IDataReader GetParents(TransactionContext tc, EnumStatus status)
        {
            if (EnumStatus.Active == status)
            {
                return tc.ExecuteReader("SELECT * FROM Skill Where ParentID IS NULL and Status=%n Order By SequenceNo",
                    status);
            }
            else
            {
                return tc.ExecuteReader("SELECT * FROM Skill Where ParentID IS NULL  Order By SequenceNo");
            }
        }

        internal static IDataReader GetChilds(TransactionContext tc, int parentID)
        {
            return tc.ExecuteReader("SELECT * FROM Skill Where ParentID=%n", parentID);
        }

        #endregion

        internal static bool IsExists(TransactionContext tc, string Code)
        {
            Object obj = tc.ExecuteScalar("Select Count(*) From Skill where Code = %s", Code);
            return Convert.ToInt32(obj) > 0;
        }
    }

    #endregion
}