run method

@override Future<void> run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
Future<void> run() async {
  final configPath = argResults!['config'] as String;
  final file = File(configPath);
  if (!file.existsSync()) {
    stderr.writeln('Config file not found: $configPath');
    exit(1);
  }

  final yaml = loadYaml(file.readAsStringSync()) as Map;
  final config = BlueprintConfig.fromYaml(yaml);
  final targetDir = argResults!['output'] as String? ?? config.outputDir;

  await Directory(targetDir).create(recursive: true);
  print('Applying "${config.name}" → $targetDir\n');

  var step = 0;
  var total = 0;

  final bridge = EngineBridge(onMessage: (msg) {
    if (msg is ProgressMessage) {
      step = msg.step;
      total = msg.total;
      stdout.write('\r  [$step/$total] ${msg.pack.padRight(20)}');
    } else if (msg is LogMessage && msg.level == 'error') {
      stderr.writeln('\n  ✗ ${msg.message}');
    }
  });

  try {
    final ok = await bridge.run(config, targetDir);
    if (total > 0) print(''); // newline after progress
    if (ok) {
      print('\n✓ Done! Created in $targetDir');
      print('');
      print('Next steps:');
      print('  cd $targetDir');
      print('  flutter pub get');
      print('  flutter run');
    } else {
      stderr.writeln('\n✗ Apply failed.');
      exit(1);
    }
  } catch (e) {
    stderr.writeln('\nEngine error: $e');
    exit(1);
  }
}