using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
using Syntriax.Engine.Core.Factory;
using YamlDotNet.Serialization;

namespace Engine.Serialization;

public static class Serialization
{
    private static readonly ISerializer defaultSerializer = new SerializerBuilder().;

    public static string Serialize(object @object)
    {
        EntityDto dto = new();
        BindingFlags bindingFlags = BindingFlags.Public |
                            BindingFlags.NonPublic |
                            BindingFlags.Instance;

        Type type = @object.GetType();
        FieldInfo[] fieldInfos = type.GetFields(bindingFlags);
        List<(string Name, object?)> list = fieldInfos.Where(f => f.FieldType.IsValueType || f.FieldType == typeof(string)).Select(f => (f.Name, f.GetValue(@object))).ToList();

        return "";
    }

    // public static string SerializeGameObject(IGameObject gameObject) => Serialize(gameObject, defaultSerializer);
    // public static T DeserializeGameObject<T>(StreamReader reader) where T : class, IGameObject
    // {
    //     Dictionary<string, object?> gameObjectDTO = Deserialize<Dictionary<string, object?>>(reader, defaultSerializer);
    //     return CreateGameObject<T>(gameObjectDTO);
    // }

    // private static T CreateGameObject<T>(Dictionary<string, object?> gameObject) where T : class, IGameObject
    // {
    //     Type gameObjectType = gameObject.TryGetValue("ClassType", out var goType) ? TypeFactory.Get(goType?.ToString() ?? throw new Exception()) : typeof(GameObject);
    //     Type stateEnableType = gameObject.TryGetValue("StateEnable.ClassType", out var seType) ? TypeFactory.Get(seType?.ToString() ?? throw new Exception()) : typeof(Transform);
    //     Type transformType = gameObject.TryGetValue("Transform.ClassType", out var tType) ? TypeFactory.Get(tType?.ToString() ?? throw new Exception()) : typeof(Transform);
    //     Type behaviourControllerType = gameObject.TryGetValue("BehaviourController.ClassType", out var bcType) ? TypeFactory.Get(bcType?.ToString() ?? throw new Exception()) : typeof(Transform);

    //     ITransform transform = TypeFactory.Get<ITransform>(transformType);
    //     IStateEnable stateEnable = TypeFactory.Get<IStateEnable>(stateEnableType);
    //     IBehaviourController behaviourController = TypeFactory.Get<IBehaviourController>(behaviourControllerType);
    //     T t = new GameObjectFactory().Instantiate<T>(transform, behaviourController, stateEnable, gameObjectType);

    //     Dictionary<string, object?>? behaviours = gameObject["BehaviourController"] as Dictionary<string, object?> ?? throw new Exception();

    //     foreach ((var key, var value) in behaviours)
    //     {
    //         Dictionary<string, object?> values = value as Dictionary<string, object?> ?? throw new Exception();

    //         IBehaviour behaviour = TypeFactory.Get<IBehaviour>(values["ClassType"]);
    //         behaviourController.AddBehaviour(behaviour);
    //     }

    //     return t;
    // }

    // public static string SerializeGameManager(IGameManager gameManager) => Serialize(gameManager, defaultSerializer);
    // public static T DeserializeGameManager<T>(StreamReader reader) where T : class, IGameManager
    // {
    //     GameManagerDTO gameManagerDto = Deserialize<GameManagerDTO>(reader, defaultSerializer);

    //     Type gameManagerType = (gameManagerDto.ClassType is not null) ? TypeFactory.Get(gameManagerDto.ClassType) : typeof(GameManager);
    //     T gameManager = TypeFactory.Get<T>(gameManagerType);

    //     foreach (var gameObjectDto in gameManagerDto.GameObjects)
    //         gameManager.RegisterGameObject(CreateGameObject<IGameObject>(gameObjectDto));

    //     return gameManager;
    // }

    // public static string Serialize<T>(T @object) => Serialize(@object, defaultSerializer);
    // public static string Serialize<T>(T @object, ISerializer serializer) => serializer.Serialize(@object);

    // public static T Deserialize<T>(string serializedString) => Deserialize<T>(serializedString, defaultSerializer);
    // public static T Deserialize<T>(string serializedString, ISerializer serializer) => serializer.Deserialize<T>(serializedString);

    // public static T Deserialize<T>(StreamReader reader) => Deserialize<T>(reader, defaultSerializer);
    // public static T Deserialize<T>(StreamReader reader, ISerializer serializer) => serializer.Deserialize<T>(reader);
}