import 'package:flutter/material.dart';

/// Error dialog widget
///
/// Displays an error message with an icon and optional action button
class ErrorDialog extends StatelessWidget {
  final String title;
  final String message;
  final String? actionText;
  final VoidCallback? onAction;

  const ErrorDialog({
    super.key,
    required this.title,
    required this.message,
    this.actionText,
    this.onAction,
  });

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      icon: Icon(
        Icons.error_outline,
        size: 48,
        color: Theme.of(context).colorScheme.error,
      ),
      title: Text(title),
      content: Text(message),
      actions: [
        if (actionText != null && onAction != null)
          TextButton(
            onPressed: () {
              Navigator.of(context).pop();
              onAction!();
            },
            child: Text(actionText!),
          ),
        TextButton(
          onPressed: () => Navigator.of(context).pop(),
          child: const Text('关闭'),
        ),
      ],
    );
  }

  /// Show error dialog
  static Future<void> show(
    BuildContext context, {
    required String title,
    required String message,
    String? actionText,
    VoidCallback? onAction,
  }) {
    return showDialog(
      context: context,
      builder: (context) => ErrorDialog(
        title: title,
        message: message,
        actionText: actionText,
        onAction: onAction,
      ),
    );
  }
}