using UnityEngine;

public class CollectionManager : MonoBehaviour, ISceneInitializable
{
    public static CollectionManager Instance;

    [Header("Star Data")]
    private int _currentStars = 0;

    [Header("CollectionHuds")]
    [SerializeField] private StarPieceHud _starPieceHud;

    public int GetStarCount => _currentStars;
    void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
            return;
        }

        Instance = this;
        DontDestroyOnLoad(gameObject);
    }

    void Start()
    {
        UpdateUI();
    }

    // SceneLoadManager가 씬 로드마다 호출. 새 씬의 StarPieceHud를 다시 찾아 연결한다.
    public void OnSceneLoaded()
    {
        FindStarPieceHud();
        UpdateUI();
    }

    private void FindStarPieceHud()
    {
        // 비활성(토글로 꺼진) HUD도 찾을 수 있도록 Include
        _starPieceHud = FindFirstObjectByType<StarPieceHud>(FindObjectsInactive.Include);

        if (_starPieceHud == null)
            Debug.LogWarning("[CollectionManager] 현재 씬에서 StarPieceHud를 찾지 못했습니다.", this);
    }

    public void AddStar(int amount)
    {
        _currentStars += amount;
        UpdateUI();

        Debug.Log("Star Added: " + amount + " / Total Star: " + _currentStars);
    }

    void UpdateUI()
    {
        if(_starPieceHud != null)
        {
            _starPieceHud.RefreshUI();
        }
    }
}