import 'dart:io';

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

import 'config/app_config.dart';
import 'router.dart';
import 'middleware/exception_handler.dart';

void main(List<String> args) async {
  // Initialize configuration and ensure directories exist
  final config = AppConfig();
  print('Configuration: $config');
  await config.ensureDirectoriesExist();

  // Use any available host or container IP (usually `0.0.0.0`).
  final ip = InternetAddress.anyIPv4;

  // Configure a pipeline that logs requests and handles exceptions.
  final handler = Pipeline()
      .addMiddleware(logRequests())
      .addMiddleware(exceptionHandler())
      .addHandler(createRouter().call);

  // For running in containers, we respect the PORT environment variable.
  final port = int.parse(Platform.environment['PORT'] ?? '8080');
  final server = await serve(handler, ip, port);
  print('Server listening on port ${server.port}');
}