using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public static class UISystemBootstrap
{
    private const string defaultConfigPath = "UISoundConfig_Default";

    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
    static void Init()
    {
        CreateRouterIfNeeded();
        RegisterAll();
        SceneManager.sceneLoaded += OnSceneLoaded;
    }

    static void OnSceneLoaded(Scene scene, LoadSceneMode mode)
    {
        RegisterAll();
    }

    static void CreateRouterIfNeeded()
    {
        UISoundRouter router;
        if (UISoundRouter.Instance != null)
        {
            router = UISoundRouter.Instance;
        }
        else
        {
            GameObject go = new GameObject("UISoundRouter");
            router = go.AddComponent<UISoundRouter>();
            Object.DontDestroyOnLoad(go);
        }

        var config = Resources.Load<UISoundConfig>(defaultConfigPath);
        if (config != null)
        {
            router.SetConfig(config);
        }
        else
        {
            Debug.LogWarning("UISoundConfig not found in Resources at: " + defaultConfigPath);
        }
    }

    public static void RegisterAll()
    {
        Debug.Log("RegisterButtons Called");
        
        // Find all Selectable objects (includes Button, Toggle, Slider, etc.)
        Selectable[] selectables = Object.FindObjectsByType<Selectable>(FindObjectsInactive.Include, FindObjectsSortMode.None);

        foreach (var sel in selectables)
        {
            Register(sel);
        }
    }

    public static void RegisterHierarchy(GameObject root)
    {
        if (root == null) return;
        Selectable[] selectables = root.GetComponentsInChildren<Selectable>(true);
        foreach (var sel in selectables)
        {
            Register(sel);
        }
    }

    public static void Register(Selectable sel)
    {
        if (sel == null) return;
        if (sel.GetComponent<UIButtonInteraction>() == null)
        {
            sel.gameObject.AddComponent<UIButtonInteraction>();
        }
    }
}