using Sarand.Win.Forms.Controls;
using Sarand.Win.Forms.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Sarand.PatientMgr.Core.App;
using Sarand.PatientMgr.Win.Forms.App;
using Sarand.PatientMgr.Core.Mgr;
using Sarand.Core.Security;
using Sarand.Core.CodeTypes;
using Sarand.Core.UpdateLog;
using Sarand.Core.ItemOptions;
using System.Windows.Forms;
using Sarand.Core.Dbas.Base;

namespace Sarand.PatientMgr.Win.Forms.Controls
{
	//=======================================================================
	public partial class SpmItemListView : SacsListView
	{
		//-------------------------------------------------------------------
		// Configuration.
		public class Config
		{
			/// <summary>Pass Internals via Config to share cached data.</summary>
			public SpmInternals Internals { get; set; } = null;
		}

		//-------------------------------------------------------------------
		// Data members.
		private Config config = new Config();
		private SpmInternals internals = null;

		//-------------------------------------------------------------------
		// Construction.
		private SpmItemListView() : this(new Config()) { }
		public SpmItemListView(Config config)
		{
			this.config = config;
			InitializeComponent();
		}
		protected override void Dispose(bool disposing)
		{
			if (disposing)
			{
				if (components != null) components.Dispose();
				if (internals != null) internals.Dispose();
			}
			base.Dispose(disposing);
		}

		//-------------------------------------------------------------------
		// Properties.
		/// <summary>Flag to indicate initial population</summary>
		[Browsable(false), ReadOnly(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
		public virtual bool InitialPopulation { get; protected set; } = true;
		[Browsable(false), ReadOnly(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
		public virtual int DisplayRecordsBatchSize { get; } = 32;
		/// <summary>Total number of items to be displayed (not items already in the list).</summary>
		[Browsable(false), ReadOnly(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
		public virtual int ItemTotal { get; protected set; } = 0;
		// Session.
		protected SpmSessionProfile_Win SessionProfile { get; } = SpmGlobals_Win.SessionProfile;
		protected SpmUserContext UserContext { get { return (SessionProfile != null ? SessionProfile.UserContext : null); } }
		protected SpmSessionContext SessionContext { get { return (UserContext != null ? UserContext.SessionContext : null); } }
		protected SpmInternals Internals
		{
			get
			{
				if (config.Internals != null) return config.Internals;
				if (internals == null) internals = new SpmInternals(UserContext);
				return internals;
			}
		}
		// Security.
		public SpmSecurityProfile SecurityProfile { get { return Internals.SecurityProfile; } }
		// Managers.
		public SpmInstitutionMgr InstitutionMgr { get { return Internals.InstitutionMgr; } }
		public SpmDepartmentMgr DepartmentMgr { get { return Internals.DepartmentMgr; } }
		public SpmAdmissionMgr AdmissionMgr { get { return Internals.AdmissionMgr; } }
		// Consoles.
		public SaSecurityConsole SecurityConsole { get { return Internals.SecurityConsole; } }
		public SaCodeTypeConsole CodeTypeConsole { get { return Internals.CodeTypeConsole; } }
		public SaUpdateLogConsole UpdateLogConsole { get { return Internals.UpdateLogConsole; } }
		public SaItemOptionConsole ItemOptionConsole { get { return Internals.ItemOptionConsole; } }

		//-------------------------------------------------------------------
		// Configure.
		protected void SetConfig(Config config)
		{
			this.config = config;
		}

		//-------------------------------------------------------------------
		// Initialisation.
		protected override void OnCreateControl()
		{
			base.OnCreateControl();
			if (this.IsDesignerHosted()) return;

			// List View configuration.
			View = View.Details;
			FullRowSelect = true;
			HideSelection = false;
			MultiSelect = false;
		}

		//-------------------------------------------------------------------
		protected override void OnHandleDestroyed (EventArgs e)
		{
			//CancelListRefresh();
			Clear();
			base.OnHandleDestroyed(e);
		}

		//-------------------------------------------------------------------
		//                      R e f r e s h   L i s t
		//-------------------------------------------------------------------
		/// <summary>Close and dispose the result set, if not null.</summary>
		protected void ClearResultSet (ref DbResultSet dbResultSet)
		{
			if (dbResultSet == null) return;
			// Copy the ResultSet reference so that the original can be nulled before closing/disposing.
			DbResultSet dbResultSet_Local = dbResultSet;
			dbResultSet = null;
			dbResultSet_Local.Close();
			dbResultSet_Local.Dispose();
		}

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