import 'package:flutter/material.dart';

/// 错误态 + 重试
class ErrorView extends StatelessWidget {
  final String message;
  final VoidCallback? onRetry;

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

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(Icons.error_outline, size: 48, color: Colors.grey.shade400),
          const SizedBox(height: 12),
          Padding(
            padding: const EdgeInsets.symmetric(horizontal: 32),
            child: Text(message,
                textAlign: TextAlign.center,
                style: const TextStyle(color: Colors.grey)),
          ),
          if (onRetry != null) ...[
            const SizedBox(height: 16),
            OutlinedButton.icon(
                onPressed: onRetry, icon: const Icon(Icons.refresh), label: const Text('重试')),
          ],
        ],
      ),
    );
  }
}