using TMPro;
using UnityEngine;
using UnityEngine.Localization;
using UnityEngine.Localization.Components;
using UnityEngine.ResourceManagement.AsyncOperations;

namespace XRLib.UI
{
    public class LocalizationHelper : LocalizeStringEvent
    {
        protected override void OnEnable()
        {
            if (!Application.isPlaying)
                return;

            base.OnEnable();
            Localization();
        }

        void Localization()
        {
            //Debug.Log($"Localization...");
            var texts = GetTexts();
            foreach (var t in texts)
            {
                var localizedString = new LocalizedString()
                {
                    TableReference = "UI",
                    TableEntryReference = t.text
                };
                AsyncOperationHandle<string> stringOperation = localizedString.GetLocalizedStringAsync();
                stringOperation.Completed += (oper) => StringOperation_Completed(oper, t);
            }
        }

        private void StringOperation_Completed(AsyncOperationHandle<string> obj, TextMeshProUGUI textUI)
        {
            if (obj.Status != AsyncOperationStatus.Succeeded)
            {
                //Debug.Log($"Localization String Operation Error. text={textUI}");
                return;
            }
            //Debug.Log($"Localizationing Success. text={textUI}");
            textUI.SetText(obj.Result);
        }

        TextMeshProUGUI[] GetTexts()
        {
            return GetComponentsInChildren<TextMeshProUGUI>();
        }
    }
}