meshcore-open/lib/helpers/link_handler.dart

import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';
import '../l10n/l10n.dart';

class LinkHandler {
  static Future<void> handleLinkTap(BuildContext context, String url) async {
    // Show confirmation dialog
    final shouldOpen = await showDialog<bool>(
      context: context,
      builder: (context) => AlertDialog(
        title: Text(context.l10n.chat_openLink),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              context.l10n.chat_openLinkConfirmation,
              style: const TextStyle(fontSize: 14),
            ),
            const SizedBox(height: 16),
            Container(
              padding: const EdgeInsets.all(12),
              decoration: BoxDecoration(
                color: Theme.of(context).colorScheme.surfaceContainerHighest,
                borderRadius: BorderRadius.circular(8),
              ),
              child: SelectableText(
                url,
                style: const TextStyle(fontSize: 12, fontFamily: 'monospace'),
              ),
            ),
          ],
        ),
        actions: [
          TextButton(
            onPressed: () => Navigator.pop(context, false),
            child: Text(context.l10n.common_cancel),
          ),
          FilledButton(
            onPressed: () => Navigator.pop(context, true),
            child: Text(context.l10n.chat_open),
          ),
        ],
      ),
    );

    if (shouldOpen != true) return;

    // Launch URL
    try {
      final uri = Uri.parse(url);
      if (!await launchUrl(uri, mode: LaunchMode.externalApplication)) {
        if (context.mounted) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text(context.l10n.chat_couldNotOpenLink(url)),
              backgroundColor: Colors.red,
            ),
          );
        }
      }
    } catch (e) {
      if (context.mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(context.l10n.chat_invalidLink),
            backgroundColor: Colors.red,
          ),
        );
      }
    }
  }
}