import 'package:flutter/material.dart';

/// App 生命周期状态
enum AppStatus {
  starting, // 启动中
  mediaKitInitializing, // MediaKit 初始化中
  mediaKitReady, // MediaKit 就绪
  playerInitializing, // 播放器初始化中
  playerReady, // 播放器就绪
  webdavChecking, // WebDAV 检测中
  webdavReady, // WebDAV 就绪
  webdavMissing, // WebDAV 未配置
  fullReady, // 完全就绪
  error, // 错误
}

class AppLifecycleService extends ChangeNotifier {
  AppStatus _status = AppStatus.starting;

  AppStatus get status => _status;

  bool get isPlayerReady =>
      _status == AppStatus.playerReady || _status == AppStatus.fullReady;

  bool get isWebDAVReady =>
      _status == AppStatus.webdavReady || _status == AppStatus.fullReady;

  bool get isFullReady => _status == AppStatus.fullReady;

  void updateStatus(AppStatus newStatus) {
    if (_status != newStatus) {
      _status = newStatus;
      debugPrint('🔄 App 状态更新: $newStatus');
      notifyListeners();
    }
  }

  // 重置（用于错误恢复）
  void reset() {
    _status = AppStatus.starting;
    notifyListeners();
  }
}