using UnityEngine;
using Player.Wallet;

/* 静态类，用于全局访问和管理游戏中的各类核心管理器 */
public static class ComponentsManager
{
  // 钱包管理器存储
  private static Storage<Wallet> _wallet = new Storage<Wallet>();
  // 主菜单UI管理器存储
  private static Storage<MenuUI> _menuUI = new Storage<MenuUI>();
  // 玩家数据管理器存储
  private static Storage<PlayerData> _playerData = new Storage<PlayerData>();
  // 游戏主UI管理器存储
  private static Storage<GameUI> _gameUI = new Storage<GameUI>();
  // 关卡管理器存储
  private static Storage<StagesManager> _stagesManager = new Storage<StagesManager>();
  // 玩家军队管理器存储
  private static Storage<PlayerArmyManager> _playerArmyManager = new Storage<PlayerArmyManager>();
  // 战斗管理器存储
  private static Storage<BattleManager> _battleManager = new Storage<BattleManager>();
  // 摄像机控制脚本存储
  private static Storage<CameraScript> _cameraScript = new Storage<CameraScript>();
  // 升级UI管理器存储
  private static Storage<UpgradeUI> _upgradeUI = new Storage<UpgradeUI>();
  // 教程引导管理器存储
  private static Storage<Tutorial> _tutorial = new Storage<Tutorial>();

  // 全局访问：玩家钱包
  public static Wallet PlayerWallet => _wallet.GetItem();
  // 全局访问：主菜单UI
  public static MenuUI MenuUI => _menuUI.GetItem();
  // 全局访问：玩家数据
  public static PlayerData PlayerData => _playerData.GetItem();
  // 全局访问：游戏主UI
  public static GameUI GameUI => _gameUI.GetItem();
  // 全局访问：关卡管理器
  public static StagesManager StagesManager => _stagesManager.GetItem();
  // 全局访问：玩家军队管理器
  public static PlayerArmyManager PlayerArmyManager => _playerArmyManager.GetItem();
  // 全局访问：战斗管理器
  public static BattleManager BattleManager => _battleManager.GetItem();
  // 全局访问：摄像机控制脚本
  public static CameraScript CameraScript => _cameraScript.GetItem();
  // 全局访问：升级UI
  public static UpgradeUI UpgradeUI => _upgradeUI.GetItem();
  // 全局访问：教程引导
  public static Tutorial Tutorial => _tutorial.GetItem();

  /// <summary>
  /// 泛型存储类，用于延迟查找和缓存各类管理器对象
  /// </summary>
  private class Storage<T> where T : Object
  {
    // 缓存的管理器对象
    private T _item;

    /// <summary>
    /// 获取管理器对象，若未缓存则自动查找并缓存
    /// </summary>
    /// <returns>类型为T的管理器对象</returns>
    public T GetItem()
    {
      if (_item == null)
      {
        _item = Object.FindObjectOfType<T>();
      }

      return _item;
    }
  }
}