using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Utils;
using Saxonite.Net.Standard.Base.App;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Saxonite.Net.Standard.Base.Bus
{
	//=======================================================================
	// User Session.
	//=======================================================================
	/// <summary>
	/// User Session - persistent properties from the user's session.
	/// </summary>
	public abstract class SaxUserSession : SaxDisposableHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			// User.
			UserAccountId,
			User_EmailAddress,
			User_DisplayName,
			User_Title,
			User_FirstName,
			User_LastName,
			// Session data.
			// Associated data.
			// Common.
			Flags,
			CreateOn_Date,
			UpdateOn_Date,
		}

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public SysId UserAccountId { get; set; }
			public List<SysId> ActivityIndexIds { get; } = new List<SysId>();
			public String UserSessionData { get; set; }
		}

		//-------------------------------------------------------------------
		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data()
			{
			}
			// Properties.
			public SysId UserAccountId
			{
				get { return data.UserAccountId; }
				set { CheckChanged(data.UserAccountId, value); data.UserAccountId = value; }
			}
			public List<SysId> ActivityIndexIds
			{
				get { return data.ActivityIndexIds.ToList(); }
				set { CheckChanged(data.ActivityIndexIds, value); data.ActivityIndexIds.Clear();  data.ActivityIndexIds.AddRange(value); }
			}
			public String UserSessionData
			{
				get { return data.UserSessionData; }
				set { CheckChanged(data.UserSessionData, value); data.UserSessionData = value; }
			}
			// Population.
			internal void PopulateFrom(Data data)
			{
				UserAccountId = data.UserAccountId;
				ActivityIndexIds = data.ActivityIndexIds;
				UserSessionData = data.UserSessionData;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		//-------------------------------------------------------------------
		// Error field - identify properties with validation error.
		public new class ErrField : SacsHierarchyItem.ErrField
		{
			// Identifies the field that has invalid data.
			public ValidValue UserAccountId { get; set; } = ValidValue.Valid;
			public ValidValue ActivityIndexIds { get; set; } = ValidValue.Valid;
			public ValidValue UserSessionData { get; set; } = ValidValue.Valid;
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Data data = new Data();

		//-------------------------------------------------------------------
		// Construction.
		protected SaxUserSession(SysId userAccountId) : base()
		{
			base.SetData(data);
			UserAccountId = userAccountId;
		}

		//-------------------------------------------------------------------
		// Utilities.
		public override bool ItemHasId() { return false; }

		//-------------------------------------------------------------------
		// Properties.
		public static String ActivityIndexDelim { get; } = ",";
		public Data GetData() { return data.Clone(); }
		public void SetData(Data data)
		{
			// Properties that cannot be changed if previously specified.
			if (SysId.IsValid(UserAccountId) && SysId.ToInt(UserAccountId) != SysId.ToInt(data.UserAccountId))
				throw new NotSupportedException($"{SysUtil.Fn} User Account Id cannot be changed");
			this.data.PopulateFrom(data);
		}
		public SysId UserAccountId
		{
			get { return data.UserAccountId; }
			protected set { data.UserAccountId = value; }
		}
		public List<SysId> ActivityIndexIds
		{
			get { return data.ActivityIndexIds; }
			set { data.ActivityIndexIds = value; }
		}
		public String UserSessionData
		{
			get { return data.UserSessionData; }
			set { data.UserSessionData = value; }
		}

		//-------------------------------------------------------------------
		// Flags - positions 1-16 available.

		//-------------------------------------------------------------------
		//                   A s s o c i a t e d   D a t a
		//-------------------------------------------------------------------

		//-------------------------------------------------------------------
		//                            P a r a m s
		//-------------------------------------------------------------------
		// List parameters.
		/// <summary>
		/// Item list parameters.
		/// </summary>
		public new class Params : SacsHierarchyItem.Params
		{
			// List filtering.
			public List<SysId> UserAccountIdsIncluded { get; } = new List<SysId>();
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
	// Item list extension methods.
	public static class SaxUserSessionList
	{
	}

	//=======================================================================
}