using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
namespace BITKit.Entities
{
    public interface IEntityOverride
    {
        bool IsOvering { get; }
        void AddOverride(object key);
        void RemoveOverride(object key);
        event Action<bool> OnOverride;
    }
    public interface IEntityOverrideCallback
    {
        void OnEntryOverride(bool @override);
    }
    [CustomType(typeof(IEntityOverride))]
    public class EntityOverride : EntityComponent,IEntityOverride
    {
        [SerializeField,ReadOnly] private bool isOvering;
        public bool IsOvering => _allowOverrideHandle;
        private readonly ValidHandle _allowOverrideHandle = new();
        public void AddOverride(object key) => _allowOverrideHandle.AddElement(key);
        public void RemoveOverride(object key)=>_allowOverrideHandle.RemoveElement(key);
        public event Action<bool> OnOverride;

        public override void Initialize(IEntity _entity)
        {
            base.Initialize(_entity);
            _entity.Set<IEntityOverride>(this);
        }
        public override void OnAwake()
        {
            _allowOverrideHandle.AddListener(Override);
            _allowOverrideHandle.Invoke();
        }
        private void Override(bool @override)
        {
            OnOverride?.Invoke(@override);
            isOvering=@override;
        }
    }
}