/// 应用配置
class AppConfig {
  static String? _version;
  static bool _isInitialized = false;

  /// 应用版本
  static String get version => _version ?? '1.0.0';
  
  /// 是否已初始化
  static bool get isInitialized => _isInitialized;

  /// 性能配置
  static const performanceConfig = PerformanceConfig();
  
  /// 初始化应用
  static Future<void> init() async {
    if (_isInitialized) return;
    
    // TODO: 加载配置文件
    _version = '1.0.0';
    _isInitialized = true;
    
    debugPrint('AppConfig initialized, version: $version');
  }
}

/// 性能配置
class PerformanceConfig {
  const PerformanceConfig();
  
  /// 最大渲染元件数（性能阈值）
  static const int maxComponents = 5000;
  
  /// 流畅渲染元件数（60fps）
  static const int smoothComponents = 1000;
  
  /// 批量绘制大小
  static const int batchSize = 100;
  
  /// 手势灵敏度
  static const double gestureSensitivity = 1.0;
  
  /// 缩放范围
  static const double minZoom = 0.1;
  static const double maxZoom = 10.0;
}