using Sarand.BusinessMgr.Net.Standard.Base.App;
using Sarand.BusinessMgr.Net.Standard.Base.Bus;
using Sarand.BusinessMgr.Net.Standard.Base.Mgr;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Dbas;
using Sarand.Net.Standard.Base.Interfaces;
using System;

namespace Sarand.BusinessMgr.Net.Standard.Dbas.Bus
{
	//=======================================================================
	class SbmAssociation_Dbas : SbmAssociation
	{
		//-------------------------------------------------------------------
		// Data members.
		private readonly SbmInternals internals;

		//-------------------------------------------------------------------
		// Construction.
		public SbmAssociation_Dbas(SbmInternals internals, SysId id, SysId affiliateIdOwner, Sbm.AssociationType associationType, SysId affiliateIdTarget, ushort flags) :
			base(internals.UserContext, id, affiliateIdOwner, associationType, affiliateIdTarget)
		{
			this.internals = internals;
			Flags = flags;
		}
		protected override void Dispose(bool disposing)
		{
			if (disposing)
			{
				// NB Do not dispose the Internals - owned by manager.
			}
			base.Dispose(disposing);
		}

		//-------------------------------------------------------------------
		// Properties.

		//-------------------------------------------------------------------
		// Internal Processing.

		//-------------------------------------------------------------------
		// Associated data.
		public override bool HasTransactions()
		{
			if (!SysId.IsValid(Id)) return false;
			ISacsDatabase db = internals.BusMgrDatabase;
			if (db != null)
			{
				String filter = SbmDbDfn.GetColumnName(SbmDbDfn.ColumnIdx.Transaction_AssocId) + "=" + Id.ToString();
				return db.GetRowCount(SbmDbDfn.GetTableName(SbmDbDfn.TableIdx.Transaction), filter) > 0;
			}
			return false;
		}
		public override bool HasRequirements()
		{
			if (!SysId.IsValid(Id)) return false;
			ISacsDatabase db = internals.BusMgrDatabase;
			if (db != null)
			{
				String filter = SbmDbDfn.GetColumnName(SbmDbDfn.ColumnIdx.Requirement_AssocId) + "=" + Id.ToString();
				return db.GetRowCount(SbmDbDfn.GetTableName(SbmDbDfn.TableIdx.Requirement), filter) > 0;
			}
			return false;
		}
		public override bool HasConstituents()
		{
			if (!SysId.IsValid(Id)) return false;
			ISacsDatabase db = internals.BusMgrDatabase;
			if (db != null)
			{
				String filter = SbmDbDfn.GetColumnName(SbmDbDfn.ColumnIdx.Constituent_AssocId) + "=" + Id.ToString();
				return db.GetRowCount(SbmDbDfn.GetTableName(SbmDbDfn.TableIdx.Constituent), filter) > 0;
			}
			return false;
		}
		public override bool IsDeliveryContractor()
		{
			// Is associated with transaction for delivery.
			if (!SysId.IsValid(Id)) return false;
			ISacsDatabase db = internals.BusMgrDatabase;
			if (db != null)
			{
				String filter = SbmDbDfn.GetColumnName(SbmDbDfn.ColumnIdx.Transaction_AssIdDeliver) + "=" + Id.ToString();
				return db.GetRowCount(SbmDbDfn.GetTableName(SbmDbDfn.TableIdx.Transaction), filter) > 0;
			}
			return false;
		}
		public override bool ClearDependentData()
		{
			ClearErrorState();
			if (!SysId.IsValid(Id)) return false;
			if (SbmGlobals.System == null) return SetErrorState("System is not available");
			ISacsDatabase db = internals.BusMgrDatabase;
			if (db != null) return SetErrorState("Database is not available");

			// Delete interface data items.
			if (!HasErrorState())
			{
				SaInterfaceConsole interfaceConsole = internals.InterfaceConsole;
				if (interfaceConsole != null)
				{
					if (!interfaceConsole.ClearInterfaceDataItems(new ItemId((short)Sbm.ItemType.Association, Id), internals.DbUpdateInfo))
						SetErrorState("Failed to clear interface data items - " + interfaceConsole.ErrorStateMessage);
				}
				else SetErrorState("failed to initialise interface console");
				interfaceConsole = null;   // Do not delete this global object.
			}
			/* ToDo SaItemDocConsole for Remove document references
			if (!HasErrorState())
			{
				SaItemDocConsole itemDocConsole = SbmGlobals.Application.GetItemDocConsole();
				if (itemDocConsole != null)
				{
					if (!itemDocConsole.ClearItemDocs(Sbm.ItemType.Association, Id))
						SetErrorState(itemDocConsole.ErrorStateMessage);
				}
				else SetErrorState("Failed to retrieve item document console");
				itemDocConsole = null;   // Do not delete this global object.
			}*/
			// Remove data item references.
			if (!HasErrorState())
			{
				if (!internals.DataItemMgr.ClearDataItem(Sbm.ItemType.Association, Id))
					SetErrorState(internals.DataItemMgr.ErrorStateMessage);
			}
			return !HasErrorState();
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}