using System;
using System.Collections.Generic;
using Engine.Serialization.DTOs;
using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
using Syntriax.Engine.Core.Factory;

namespace Engine.Serialization;

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

    public static string SerializeGameObject(IGameObject gameObject) => Serialize(gameObject.ToDTO(), defaultSerializer);
    public static T DeserializeGameObject<T>(string serializedString) where T : class, IGameObject
    {
        GameObjectDTO gameObjectDTO = Deserialize<GameObjectDTO>(serializedString, defaultSerializer);
        return CreateGameObject<T>(gameObjectDTO);
    }

    private static T CreateGameObject<T>(GameObjectDTO gameObjectDTO) where T : class, IGameObject
    {
        Type gameObjectType = (gameObjectDTO.ClassType is not null) ? TypeFactory.Get(gameObjectDTO.ClassType) : typeof(GameObject);
        Type stateEnableType = (gameObjectDTO.StateEnable.ClassType is not null) ? TypeFactory.Get(gameObjectDTO.StateEnable.ClassType) : typeof(Transform);
        Type transformType = (gameObjectDTO.Transform.ClassType is not null) ? TypeFactory.Get(gameObjectDTO.Transform.ClassType) : typeof(Transform);
        Type behaviourControllerType = (gameObjectDTO.BehaviourController.ClassType is not null) ? TypeFactory.Get(gameObjectDTO.BehaviourController.ClassType) : 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);

        foreach (var behaviourDto in gameObjectDTO.BehaviourController.Behaviours)
        {
            IBehaviour behaviour = TypeFactory.Get<IBehaviour>(behaviourDto.ClassType);
            behaviourController.AddBehaviour(behaviour);
        }

        return t;
    }

    public static string SerializeGameManager(IGameManager gameManager) => Serialize(gameManager.ToDTO(), defaultSerializer);
    public static T DeserializeGameManager<T>(string serializedString) where T : class, IGameManager
    {
        GameManagerDTO gameManagerDto = Deserialize<GameManagerDTO>(serializedString, 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);
}