import 'package:flutter/material.dart';
import 'package:miaoji_zhang/shared/api/api_client.dart';
import 'package:miaoji_zhang/shared/theme/app_theme.dart';
import 'package:miaoji_zhang/shared/widgets/app_icons.dart';

class BackendStatusIcon extends StatelessWidget {
  final Future<void> Function() onRetry;

  const BackendStatusIcon({super.key, required this.onRetry});

  @override
  Widget build(BuildContext context) {
    return ValueListenableBuilder<BackendAvailability>(
      valueListenable: ApiClient.availability,
      builder: (context, availability, _) {
        if (availability != BackendAvailability.offline) {
          return const SizedBox.shrink();
        }
        return IconButton(
          tooltip: '当前显示本地数据，点击重试',
          onPressed: onRetry,
          icon: AppIcons.icon(
            AppIcons.offline,
            size: 18,
            color: AppTheme.orange,
          ),
        );
      },
    );
  }
}