using UnityEngine;
using UnityEngine.SceneManagement;

public static class UI_SelectSong_AutoPlayToggleBinder
{
    private const string TargetSceneName = "selectYourSongFirst";

    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
    private static void Init()
    {
        SceneManager.sceneLoaded -= OnSceneLoaded;
        SceneManager.sceneLoaded += OnSceneLoaded;
    }

    private static void OnSceneLoaded(Scene scene, LoadSceneMode mode)
    {
        if (scene.name != TargetSceneName)
            return;

        TryBind(scene);
    }

    private static void TryBind(Scene scene)
    {
        // Ensure we have the latest persisted value (important when entering from editor play).
        GameConfig.LoadPrefs();

        // Prefer the user's specified hierarchy if present (active only).
        GameObject go =
            SceneObjectLookupCache.Find("rightInfos/difficultyBtnInfos/difficultyBtnInfos/select_Auto") ??
            SceneObjectLookupCache.Find("rightInfos/difficultyBtnInfos/select_Auto");

        if (go == null)
        {
            // Fallback: search by name in this scene (includes inactive objects).
            var transforms = Object.FindObjectsByType<Transform>(FindObjectsInactive.Include, FindObjectsSortMode.None);
            for (int i = 0; i < transforms.Length; i++)
            {
                var t = transforms[i];
                if (t == null) continue;
                if (t.gameObject.scene != scene) continue;
                if (t.name != "select_Auto") continue;
                go = t.gameObject;
                break;
            }
        }

        if (go == null)
        {
            if (GameConfig.verboseLogs)
                Debug.LogWarning("[AutoPlay] select_Auto button not found in selectYourSongFirst scene. Autoplay toggle UI will be unavailable.");
            return;
        }

        var toggle = go.GetComponent<UI_SelectSong_AutoPlayToggle>();
        if (toggle == null)
            toggle = go.AddComponent<UI_SelectSong_AutoPlayToggle>();

        toggle.TryAutoWire();
    }
}