using Csla.Data;
using System;
using System.Data;
using System.Data.SqlClient;
using System.Linq;

//CSM - C2026-009 - Minimal Class for Getting Revision Data
namespace VEPROMS.CSLA.Library
{
    public static class RevisionData
    {
        #region Check Data
        //Check if Data Has Units
        public static bool HasUnits(DataTable dt) => dt.AsEnumerable().Any(x => x.Field<int?>("UnitID") > 0);

        //Get Maximum Date Time Stamp
        public static DateTime MaxDTS(DataTable dt) => dt.AsEnumerable().Max(x => x.Field<DateTime>("DTS"));

        #endregion

        #region Get Revision Data
        //CSM - C2026-009 Get Current Revision Data by Unit
        public static DataTable GetRevisionDataByUnit(int itemID)
		{
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "GetCurrentApprovedRevisions";
					cm.CommandTimeout = Database.DefaultTimeout;
                    cm.Parameters.AddWithValue("@ItemID", itemID);

                        using (SqlDataAdapter da = new SqlDataAdapter(cm))
						{
							DataTable dt = new DataTable();
							da.Fill(dt);
							return dt;
						}
					}
				}
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error in GetRevisionDataByUnit: retrieving data failed", ex);
			}
		}
		#endregion

	}
}