using UnityEngine;
using UnityEngine.UI;

namespace SpellBoundAR.CustomTextures.UI
{
    [RequireComponent(typeof(Image))]
    public class TexturePreviewImage : MonoBehaviour
    {
        [Header("Cache")]
        private Image _image;
        private TexturePreview _texturePreview;

        private void Awake()
        {
            _image = GetComponent<Image>();
            _texturePreview = GetComponentInParent<TexturePreview>();
        }

        private void OnEnable()
        {
            if (_texturePreview) _texturePreview.OnSavedTextureDataChanged += OnSavedTextureDataChanged;
            OnSavedTextureDataChanged();
        }

        private void OnDisable()
        {
            if (_texturePreview) _texturePreview.OnSavedTextureDataChanged -= OnSavedTextureDataChanged;
        }

        private void OnSavedTextureDataChanged()
        {
            if (!_image) return;
            _image.sprite = _texturePreview && _texturePreview.SavedCustomTexture != null
                ? _texturePreview.SavedCustomTexture.CreateSprite()
                : null;
            _image.color = _image.sprite ? Color.white : Color.clear;
        }
    }
}