import 'dart:io';

import 'package:shelf/shelf.dart';
import 'package:shelf/shelf_io.dart';
import 'package:shelf_router/shelf_router.dart';

final _router = Router()..mount('/<echo>', (r) => _echoHandler()(r));

Handler _echoHandler() {
  var pipeline = const Pipeline();
  final router = Router()..get('/', (_) => Response.ok('hi'));
  return pipeline.addHandler(router);
}

void main(List<String> args) async {
  final ip = InternetAddress.anyIPv4;
  final handler = Pipeline().addMiddleware(logRequests()).addHandler(_router);
  final port = int.parse(Platform.environment['PORT'] ?? '8080');
  final server = await serve(handler, ip, port);
  print('Server listening on port ${server.port}');
}