using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using DataLoader;
using HarmonyLib;
using RobocraftX;
using RobocraftX.Common.Utilities;
using RobocraftX.GUI;
using RobocraftX.Multiplayer;
using RobocraftX.Rendering;
using Svelto.Context;
using Svelto.DataStructures;
using Svelto.ECS;
using Svelto.ECS.Schedulers.Unity;
using UnityEngine;
using Unity.Entities;
using Unity.Physics.Systems;

namespace GamecraftModdingAPI.Utility
{
    /// <summary>
    /// Public access to the private variables in RobocraftX.FullGameCompositionRoot
    /// </summary>
    public static class FullGameFields
    {
		public static FullGameCompositionRoot Instance
		{
			private set;
			get;
		} = null;

		public static MultiplayerInitParameters _multiplayerParams 
		{ 
			get 
			{
				return (MultiplayerInitParameters)fgcr?.Field("_multiplayerParams").GetValue();
			}
		}

		public static EnginesRoot _frontEndEnginesRoot
		{
			get
			{
				return (EnginesRoot)fgcr?.Field("_frontEndEnginesRoot").GetValue();
			}
		}

		public static EnginesRoot _mainGameEnginesRoot
		{
			get
			{
				return (EnginesRoot)fgcr?.Field("_mainGameEnginesRoot").GetValue();
			}
		}

		public static World _physicsWorld
		{
			get
			{
				return (World)fgcr?.Field("_physicsWorld").GetValue();
			}
		}

		public static World _renderingWorld
		{
			get
			{
				return (World)fgcr?.Field("_renderingWorld").GetValue();
			}
		}

		public static SimpleEntitiesSubmissionScheduler _mainGameSubmissionScheduler
		{
			get
			{
				return (SimpleEntitiesSubmissionScheduler)fgcr?.Field("_sub").Field("_mainGameSubmissionScheduler").GetValue();
			}
		}

		public static BuildPhysicsWorld _physicsWorldSystem
		{
			get
			{
				return (BuildPhysicsWorld)fgcr?.Field("_physicsWorldSystem").GetValue();
			}
		}

		public static UnityContext<FullGameCompositionRoot> _contextHolder
		{
			get
			{
				return (UnityContext<FullGameCompositionRoot>)fgcr?.Field("_contextHolder").GetValue();
			}
		}

		public static GameObject _frontEndGo
		{
			get
			{
				return (GameObject)fgcr?.Field("_frontEndGo").GetValue();
			}
		}

		public static GameObject _mainGameGo
		{
			get
			{
				return (GameObject)fgcr?.Field("_mainGameGo").GetValue();
			}
		}

		public static PhysicsUtility _physicsUtility
		{
			get
			{
				return (PhysicsUtility)fgcr?.Field("_physicsUtility").GetValue();
			}
		}

		/*public static UnityEntitySubmissionScheduler _frontEndSubmissionScheduler
		{
			get
			{
				return (UnityEntitySubmissionScheduler)fgcr?.Field("_frontEndSubmissionScheduler").GetValue();
			}
		}*/

		public static LoadingScreenImplementer _loadingScreen
		{
			get
			{
				return (LoadingScreenImplementer)fgcr?.Field("_loadingScreen").GetValue();
			}
		}

		public static IDataDB _dataDb
		{
			get
			{
				return (IDataDB)fgcr?.Field("_dataDb").GetValue();
			}
		}

		public static ECSGameObjectResourceManager _eCsGameObjectResourceManager
		{
			get
			{
				return (ECSGameObjectResourceManager)fgcr?.Field("_eCsGameObjectResourceManager").GetValue();
			}
		}

		public static bool _isQuitting
		{
			get
			{
				return (bool)fgcr?.Field("_isQuitting").GetValue();
			}
		}

		public static FasterList<EGID> _deserialisedBlockMap
		{
			get
			{
				return (FasterList<EGID>) fgcr?.Field("_deserialisedBlockMap").GetValue();
			}
		}

		private static Traverse fgcr;

		public static void Init(FullGameCompositionRoot instance)
		{
			fgcr = new Traverse(instance);
			FullGameFields.Instance = instance;
		}
	}
}