using UnityEngine;
using UnityEngine.UI;

namespace SpellBoundAR.Items.Inventories.UI
{
    [DisallowMultipleComponent]
    [RequireComponent(typeof(Image))]
    public class InventoryEntryDisplayImage : MonoBehaviour
    {
        [Header("Cache")]
        private Image _image;
        private InventoryEntryDisplay _display;

        private void Awake()
        {
            _image = GetComponent<Image>();
            _display = GetComponentInParent<InventoryEntryDisplay>();
        }

        private void OnEnable()
        {
            if (_display) _display.OnEntryChanged += Refresh;
            Refresh();
        }

        private void OnDisable()
        {
            if (_display) _display.OnEntryChanged -= Refresh;
        }

        private void Refresh()
        {
            if (!_image) return;
            _image.sprite = _display && _display.Entry is {ItemTypeData: { }} 
                ? _display.Entry.ItemTypeData.Depiction 
                : null;
            _image.color = _image.sprite ? Color.white : Color.clear;
            _image.preserveAspect = true;
        }
    }
}