using UnityEngine;

namespace PrizeSystem
{
    public sealed class PrizeStockEmptyLabel : MonoBehaviour
    {
        [SerializeField] private CanvasGroup _canvasGroup;

        private void OnEnable()
        {
            PrizeStockService.StateChanged -= Refresh;
            PrizeStockService.StateChanged += Refresh;
            SettingsManager.OnSettingsChanged -= Refresh;
            SettingsManager.OnSettingsChanged += Refresh;
            Refresh();
        }

        private void OnDisable()
        {
            PrizeStockService.StateChanged -= Refresh;
            SettingsManager.OnSettingsChanged -= Refresh;
        }

        private void Refresh()
        {
            bool visible = SettingsManager.Initialized
                && PrizeStockService.Enabled
                && PrizeStockService.Count == 0
                && SettingsManager.GetBool(SettingKey.DISPLAY_NOPRIZES);
            _canvasGroup.alpha = visible ? 1f : 0f;
            _canvasGroup.blocksRaycasts = false;
            _canvasGroup.interactable = false;
        }
    }
}