using UnityAtoms.BaseAtoms;
using UnityAtoms.Tags;
using UnityEngine;
using UnityEngine.Events;

namespace KitsuneCafe.Event
{
    public class EventTrigger : MonoBehaviour
    {
        [SerializeField]
        private UnityEvent onEnter;

        [SerializeField]
        private UnityEvent onExit;

        [SerializeField]
        private StringConstant[] tags;

        private bool useTags => tags.Length > 0;

        private bool IsValidCollision(Collider collider)
        {
            return !useTags || collider.TryGetComponent(out AtomTags tags) && HasTags(tags);
        }

        private bool HasTags(AtomTags tags)
        {
            foreach (var tag in this.tags)
            {
                if (!tags.HasTag(tag.Value))
                {
                    return false;
                }
            }

            return true;
        }

        private void OnTriggerEnter(Collider collider)
        {
            if (IsValidCollision(collider))
            {
                onEnter.Invoke();
            }
        }

        private void OnTriggerExit(Collider collider)
        {
            if (IsValidCollision(collider))
            {
                onExit.Invoke();
            }
        }
    }
}