import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class InfoDialog {
  /// Shows a single-text dialog. When [copyable] is true (default for error
  /// details surfaces), the dialog body is selectable and a "Kopieren" action
  /// places it on the clipboard with a SnackBar confirmation.
  static void show(
    BuildContext context,
    String info, {
    bool copyable = false,
    String? title,
  }) {
    showDialog<void>(
      context: context,
      builder: (dialogContext) {
        final theme = Theme.of(dialogContext);
        return AlertDialog(
          title: title != null ? Text(title) : null,
          content: SingleChildScrollView(
            child: copyable
                ? SelectableText(info, style: theme.textTheme.bodyMedium)
                : Text(info, style: theme.textTheme.bodyMedium),
          ),
          contentPadding: const EdgeInsets.fromLTRB(20, 20, 20, 12),
          actions: [
            if (copyable)
              TextButton.icon(
                onPressed: () async {
                  await Clipboard.setData(ClipboardData(text: info));
                  if (!dialogContext.mounted) return;
                  ScaffoldMessenger.of(dialogContext).showSnackBar(
                    const SnackBar(
                      content: Text('In Zwischenablage kopiert'),
                      duration: Duration(seconds: 2),
                    ),
                  );
                },
                icon: const Icon(Icons.copy_outlined, size: 18),
                label: const Text('Kopieren'),
              ),
            TextButton(
              onPressed: () => Navigator.of(dialogContext).pop(),
              child: const Text('Schließen'),
            ),
          ],
        );
      },
    );
  }
}