namespace AlicizaX
{
    public interface IModule
    {
        protected internal void Dispose();
    }


    public abstract class AManager : IModule
    {
        internal abstract void Register();
        public abstract bool IsDisposed();

        void IModule.Dispose()
        {
            OnDispose();
        }

        internal abstract void OnDispose();
    }

    public abstract class AManager<T> : AManager where T : AManager<T>
    {
        private bool isDisposed;

        private static T instance;

        public static T Instance
        {
            get { return instance; }
            private set { instance = value; }
        }

        internal override void Register()
        {
            Instance = (T)this;
        }

        public override bool IsDisposed()
        {
            return this.isDisposed;
        }

        protected virtual void Destroy()
        {
        }

        internal override void OnDispose()
        {
            if (this.isDisposed)
            {
                return;
            }

            this.isDisposed = true;

            this.Destroy();

            Instance = null;
        }
    }


    public interface IModuleAwake
    {
        protected internal void Awake();
    }

    public interface IExecuteSystem
    {
        abstract int Priority { get; }
    }

    public interface IModuleUpdate : IExecuteSystem
    {
        protected internal void Update(float elapseSeconds, float realElapseSeconds);
    }

    public interface IModuleLateUpdate : IExecuteSystem
    {
        protected internal void LateUpdate();
    }

    public interface IModuleFixedUpdate : IExecuteSystem
    {
        protected internal void FixedUpdate();
    }

    public interface IModuleDrawGizmos : IExecuteSystem
    {
        protected internal void DrawGizmos();
    }

    public interface IModuleGUI : IExecuteSystem
    {
        protected internal void OnGUI();
    }
}