using UnityEngine;
using UnityEngine.Events;

namespace Syntriax.Modules.Movement.ColliderTrigger
{
    public class TwoDimensionalBoxChildColliderTrigger : MonoBehaviour, IColliderTrigger
    {
        [SerializeField] private LayerMask colliderMask = 0;
        private bool _isTrigerred = false;
        private Collider2D[] results = new Collider2D[8];

        public LayerMask ColliderMask { get => colliderMask; set => colliderMask = value; }

        public UnityEvent<bool> OnTriggered { get; protected set; } = null;
        public bool IsTrigerred
        {
            get => _isTrigerred;
            protected set
            {
                bool isNewValue = _isTrigerred != value;

                _isTrigerred = value;

                if (isNewValue)
                    OnTriggered.Invoke(value);
            }
        }

        protected void Awake()
            => OnTriggered = new UnityEvent<bool>();

        protected void FixedUpdate()
            => IsTrigerred = Physics2D.OverlapBoxNonAlloc(transform.position, transform.localScale, 0, results, ColliderMask) > 0;

#if UNITY_EDITOR
        private void OnDrawGizmosSelected()
        {
            Gizmos.color = IsTrigerred ? Color.green : Color.red;
            Gizmos.DrawWireCube(transform.position, transform.lossyScale);
        }
#endif
    }
}