namespace FoodFactory.Voxel;

using System;
using System.Collections.Generic;
using System.IO;
using System.Text.Json;
using Arch.Core;
using Arch.LowLevel;
using Arch.System;
using Chickensoft.AutoInject;
using Chickensoft.Introspection;
using Chickensoft.SaveFileBuilder;
using Chickensoft.Serialization;
using Chickensoft.Serialization.Godot;
using FoodFactory;
using FoodFactory.Blueprints;
using FoodFactory.Conveyors;
using FoodFactory.Math;
using FoodFactory.Recipes;
using Godot;
using SharpYaml;

public class BacterialSystem : BaseSystem<World, float>
{
  private QueryDescription _desc = new QueryDescription().WithAll<Bacteria, Temperature>();
  public static Resources<List<BacteriaData>> Resources = new();
  public BacterialSystem(World world) : base(world)
  {

  }
  public override void Update(in float t)
  {
    var delta = t;
    World.Query(in _desc, (Entity entity, ref Bacteria bacteria, ref Temperature temperature) =>
    {
      var handle = bacteria.Data;
      var data = Resources.Get(in handle);
      for (int i = 0; i < data.Count; i++)
      {
        data[i] = data[i] with { Count = BacteriaModel.UpdatePopulation(data[i].Count, temperature.Celsius, delta) };
        // GD.Print(data[i].Count);
        if (data[i].Count <= 0.5)
        {
          data.RemoveAt(i);
          i--;
        }
      }
    });
  }
}

//Will Liklely be the game instead of a node like this
[Meta(typeof(IAutoNode))]// [Tool]
public partial class VoxelGridNode : Node3D,
IProvide<IVoxelGridRegistry>,
IProvide<IItemRenderer>,
IProvide<IRecipes>,
IProvide<IBlueprintManger>,
IProvide<World>,
IProvide<IFoodFactoryApi>//,
// IProvide<ISaveChunk<GameData>>
{
  public override void _Notification(int what) => this.Notify(what);

  private IFoodFactoryApi _api = default!;
  IFoodFactoryApi IProvide<IFoodFactoryApi>.Value() => _api;
  private World _world = default!;
  World IProvide<World>.Value() => _world;
  private IVoxelGridRegistry _voxelGridRegistry = default!;
  IVoxelGridRegistry IProvide<IVoxelGridRegistry>.Value() => _voxelGridRegistry;
  private IBlueprintManger _blueprintManger = default!;
  IBlueprintManger IProvide<IBlueprintManger>.Value() => _blueprintManger;
  private Recipes _recipes = default!;
  IRecipes IProvide<IRecipes>.Value() => _recipes;
  private IItemRenderer _itemRenderer = default!;
  IItemRenderer IProvide<IItemRenderer>.Value() => _itemRenderer;
  // public ISaveChunk<GameData> Value() => SaveFile.Root;
  public static string SavePath => $"{OS.GetUserDataDir()}/SaveFile.json";
  JsonSerializerOptions _options;
  public void Setup()
  {
    GodotSerialization.Setup();
    _options = new JsonSerializerOptions
    {
      WriteIndented = true,
      TypeInfoResolver = new SerializableTypeResolver(),
      Converters = { new SerializableTypeConverter() }
    };

    var test = "gg";
    GD.Print(SavePath);
    // SaveFile = new SaveFile<GameData>(
    //   new SaveChunk<GameData>(
    //     onSave: (chunk) =>
    //     {

    //       var gameData = new GameData()
    //       {
    //         World = _world,
    //         // Equipments = chunk.GetChunkSaveData<EquipmentsData>()
    //       };
    //       return gameData;
    //     },
    //     onLoad: (chunk, data) =>
    //     {
    //       World.Destroy(_world);
    //       _world = data.World;
    //       // chunk.LoadChunkSaveData(data.Equipments);
    //     }
    //   ),
    //   onSave: async data =>
    //   {


    //     var yaml = JsonSerializer.Serialize(data, _options);
    //     GD.Print(SavePath);
    //     await File.WriteAllTextAsync(SavePath, yaml);
    //   },
    //   onLoad: async () =>
    //   {
    //     if (!File.Exists(SavePath))
    //     {
    //       GD.PushWarning("Save does nto exist");
    //       return null;
    //     }

    //     var data = JsonSerializer.Deserialize<GameData>(await File.ReadAllTextAsync(SavePath), _options);
    //     return data;
    //   }
    // );
  }
  // public ISaveFile<GameData> SaveFile { get; set; } = default!;
  Group<float> _systems;
  public override void _Ready()
  {
    // GD.Print();
    base._Ready();
    _voxelGridRegistry = new VoxelRegistry();
    _itemRenderer = new ItemRenderBuffered();
    _blueprintManger = new BlueprintManger();
    _recipes = new Recipes();
    _world = World.Create();
    _systems = new Group<float>("Items", new BacterialSystem(_world));
    var tickManger = new TickManger();


    AddChild(_itemRenderer as Node);
    var delta = .2f;
    Timer timer = new Timer() { WaitTime = delta, Autostart = true };//TEST
    AddChild(timer);//TEST
    // timer.Timeout += _itemRenderer.Tick;//TEST
    _api = new FoodFactoryApi()
    {
      BlueprintManger = _blueprintManger,
      Recipes = _recipes,
      ItemRenderer = _itemRenderer,
      TickManger = tickManger,
      GridRegistry = _voxelGridRegistry
    };
    int tick = 0;
    timer.Timeout += () =>
    {
      _systems.BeforeUpdate(delta);
      _systems.Update(delta);
      _systems.AfterUpdate(delta);
      tickManger.BroadCast(new(tick, delta));
      tick++;

    };
    _systems.Initialize();


    this.Provide();

  }


  public override void _Input(InputEvent @event)
  {
    if (@event.IsActionPressed("ui_up"))
    {
      foreach (var item in GetChildren())
      {
        if (item is ConveyorBeltStraight conveyor)
        {
          var node = conveyor.ConveyorLogic;
          node.IsReversed = !node.IsReversed;
        }
      }
    }
    if (@event.IsActionPressed("ui_right"))
    {
      // SaveFile.Save();

    }
    if (@event.IsActionPressed("ui_left"))
    {
      // SaveFile.Load();
    }
  }
  public override void _ExitTree()
  {
    base._ExitTree();
    _systems.Dispose();
    _world.Dispose();
  }

}
public static class BacteriaModel
{
  // population = current bacteria count
  // temperature = degrees Celsius
  // deltaTime = elapsed time (hours)
  public static double UpdatePopulation(
      double population,
      double temperature,
      double deltaTime)
  {
    double rate;

    // Very cold -> slight die-off
    if (temperature <= 5)
    {
      rate = -0.1;
    }
    // Growth zone
    else if (temperature < 35)
    {
      rate = 0.06 * (temperature - 5);
    }
    // Hot but still survivable
    else if (temperature < 60)
    {
      rate = 1.8 - 0.08 * (temperature - 35);
    }
    // Dangerous heat -> bacteria die
    else
    {
      rate = -0.8;
    }

    // Population update
    double newPopulation =
        population + (deltaTime * population * rate);

    // Prevent negative bacteria counts
    return Math.Max(0, newPopulation);
  }
}