using Microsoft.IdentityModel.Tokens;
using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Utils;
using Saxonite.Net.Standard.Base.App;
using Saxonite.Net.Standard.Base.Bus;
using Saxonite.Net.Standard.Base.Consoles;
using System;
using System.Collections.Generic;
using System.Text;

namespace Saxonite.Net.Core.Web.Base.Consoles
{
	//=======================================================================
	public class SaxDataCacheConsole_Web : SaxDataCacheConsole
	{
		//-------------------------------------------------------------------
		// Data members.
		private readonly SaxInternals internals;

		//-------------------------------------------------------------------
		// Protected construction.
		protected SaxDataCacheConsole_Web(SaxSessionContext sessionContext) :
			base(sessionContext)
		{
			internals = new SaxInternals(sessionContext);
		}
		protected override void Dispose(bool disposing)
		{
			if (disposing)
			{
				internals.Dispose();
			}
			base.Dispose(disposing);
		}

		//-------------------------------------------------------------------
		// Regions.
		public bool RegionsSupported { get; protected set; } = false;
		private class RegionsData
		{
			public Dictionary<SysId, SaxRegion> regions = null;
			public List<SaxRegion> activeRegions = null;
		}
		private readonly RegionsData regionsData = new RegionsData();
		public override List<SaxRegion> GetActiveRegions()
		{
			String fn = GetType().Name + ".ActiveRegions";
			if (!RegionsSupported) throw new NotSupportedException(fn + " Regions not supported.");
			List<SaxRegion> activeRegions = new List<SaxRegion>();
			lock (regionsData)
			{
				if (regionsData.regions == null) throw new NotSupportedException(fn + " Regions not populated.");
				activeRegions = new List<SaxRegion>(regionsData.activeRegions);
			}
			return activeRegions;
		}
		private bool IsRegionActive(SaxRegion region)
		{
			if (region == null) return false;
			if (!region.IsStatusActive) return false;
			if (SysId.IsValid(region.RegionIdParent))
				return IsRegionActive(regionsData.regions.GetValue(region.RegionIdParent, null));
			return true;
		}
		protected void RefreshRegions()
		{
			String fn = GetType().Name + ".RefreshRegions";
			if (!RegionsSupported) throw new NotSupportedException(fn + " Regions not supported.");
			SaLogger.Info(fn + " START.", false);
			DateTime startedAt = DateTime.Now;
			List<SaxRegion> oldRegions = null;
			Dictionary<SysId, SaxRegion> newRegions = new Dictionary<SysId, SaxRegion>();

			// Query Regions.
			SaxRegion.Params prmRegion = new SaxRegion.Params();
			prmRegion.StatusCat = SaxRegion.StatusCat.NotDeleted;
			foreach (SaxRegion region in internals.ReferenceMgr.GetRegionList(prmRegion))
				newRegions[region.Id] = region;

			// Replace the list of Regions.
			lock (regionsData)
			{
				oldRegions = regionsData.regions?.GetValues() ?? new List<SaxRegion>();
				regionsData.regions = newRegions;

				// Populate list of active regions.
				regionsData.activeRegions = new List<SaxRegion>();
				foreach (SaxRegion region in regionsData.regions.GetValues())
				{
					if (IsRegionActive(region))
					{
						// Clone region to ensure internal list isn't modified.
						SaxRegion activeRegion = internals.ReferenceMgr.CreateRegion();
						activeRegion.SetData(region.GetData());
						regionsData.activeRegions.Add(activeRegion);
					}
				}

				SaLogger.Info(fn + " END. Regions found: " + regionsData.regions.Count + ". Elapsed: " + DateUtil.FormatNumberOfSeconds((DateTime.Now - startedAt).TotalSeconds), true);
			}

			// Dispose old regions.
			oldRegions.ClearAndDispose<SaxRegion>();
			oldRegions = null;
		}

		//-------------------------------------------------------------------
		// Sports.
		public bool SportsSupported { get; protected set; } = false;
		private class SportsData
		{
			public Dictionary<SysId, SaxSport> sports = null;
			public List<SaxSport> activeSports = null;
		}
		private readonly SportsData sportsData = new SportsData();
		public override List<SaxSport> GetActiveSports()
		{
			String fn = GetType().Name + ".ActiveSports";
			if (!SportsSupported) throw new NotSupportedException(fn + " Sports not supported.");
			List<SaxSport> activeSports = new List<SaxSport>();
			lock (sportsData)
			{
				if (sportsData.sports == null) throw new NotSupportedException(fn + " Sports not populated.");
				foreach (SaxSport sport in sportsData.sports.GetValues())
				{
					if (IsSportActive(sport))
					{
						// Clone sport to ensure internal list isn't modified.
						SaxSport activeSport = internals.ReferenceMgr.CreateSport();
						activeSport.SetData(sport.GetData());
						activeSports.Add(activeSport);
					}
				}
			}
			return activeSports;
		}
		private bool IsSportActive(SaxSport sport)
		{
			if (sport == null) return false;
			if (!sport.IsStatusActive) return false;
			return true;
		}
		protected void RefreshSports()
		{
			String fn = GetType().Name + ".RefreshSports";
			if (!SportsSupported) throw new NotSupportedException(fn + " Sports not supported.");
			SaLogger.Info(fn + " START.", false);
			DateTime startedAt = DateTime.Now;
			List<SaxSport> oldSports = null;
			Dictionary<SysId, SaxSport> newSports = new Dictionary<SysId, SaxSport>();

			// Query Sports.
			SaxSport.Params prmSport = new SaxSport.Params();
			prmSport.StatusCat = SaxSport.StatusCat.NotDeleted;
			foreach (SaxSport sport in internals.ReferenceMgr.GetSportList(prmSport))
				newSports[sport.Id] = sport;

			// Replace the list of Sports.
			lock (sportsData)
			{
				oldSports = sportsData.sports?.GetValues() ?? new List<SaxSport>();
				sportsData.sports = newSports;

				// Populate list of active sports.
				sportsData.activeSports = new List<SaxSport>();
				foreach (SaxSport sport in sportsData.sports.GetValues())
				{
					if (IsSportActive(sport))
						sportsData.activeSports.Add(sport);
				}

				SaLogger.Info(fn + " END. Sports found: " + sportsData.sports.Count + ". Elapsed: " + DateUtil.FormatNumberOfSeconds((DateTime.Now - startedAt).TotalSeconds), true);
			}

			// Dispose old sports.
			oldSports.ClearAndDispose<SaxSport>();
			oldSports = null;
		}

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