using UnityEngine;
using OctoCore.Localization;
using OctoFramework = OctoCore.OctoCore;
using Unheimlich.UI;

namespace Unheimlich.Features.Dialogue
{
    /// <summary>
    /// Bridges OctoLocalizedText and PerLetterFontShifter.
    /// OctoLocalizedText writes to the source TMP, which is disabled by the shifter —
    /// this component intercepts Localize() and forwards the result to SetText() instead.
    /// </summary>
    [RequireComponent(typeof(OctoLocalizedText))]
    [RequireComponent(typeof(PerLetterFontShifter))]
    public class LocalizedSubtitle : MonoBehaviour
    {
        private OctoLocalizedText _localizedText;
        private PerLetterFontShifter _shifter;

        private void Awake()
        {
            _localizedText = GetComponent<OctoLocalizedText>();
            _shifter = GetComponent<PerLetterFontShifter>();
        }

        private void Start()
        {
            // OctoLocalizedText.Awake() has already run and called Localize() into the dead TMP.
            // Pull the resolved text back out and push it into the shifter.
            Refresh();

            // Re-hook on language change so the shifter stays in sync.
           if (OctoFramework.Instance)
                OctoFramework.Instance.Localization.SubscribeOnLanguageWrittenChange(Refresh);
        }

        private void OnDestroy()
        {
            if (OctoFramework.Instance)
                OctoFramework.Instance.Localization.UnsubscribeOnLanguageWrittenChange(Refresh);
        }

        /// <summary>
        /// Pulls the current localized string and pushes it to the shifter.
        /// </summary>
        private void Refresh()
        {
            // Force OctoLocalizedText to re-resolve the string into the source TMP.
            _localizedText.Localize();

            // Read it back from the source TMP (it's disabled but the .text field is still set).
            string resolved = GetComponent<TMPro.TextMeshProUGUI>().text;

            _shifter.SetText(resolved);
        }
    }
}