execute method

@override Future<int> execute(List<String> arguments)

Implementation

@override
Future<int> execute(List<String> arguments) async {
  for (final argument in arguments) {
    if (argument == '--show' || argument == '--force') continue;
    Console.error('Unknown option: $argument');
    return ExitCode.usage;
  }

  final key = generateRandomKey();
  if (arguments.contains('--show')) {
    Console.line(key);
    return ExitCode.success;
  }

  final envFile = File('${workingDirectory.path}/.env');
  if (!envFile.existsSync()) {
    Console.error('.env does not exist in the project root.');
    return ExitCode.noInput;
  }

  final lines = await envFile.readAsLines();
  final index = lines.indexWhere(
    (line) => line.trimLeft().startsWith('APP_KEY='),
  );
  final force = arguments.contains('--force');

  if (index >= 0) {
    final current = lines[index].split('=').skip(1).join('=').trim();
    if (current.isNotEmpty && !force) {
      Console.warn('APP_KEY is already set. Use --force to replace it.');
      return ExitCode.success;
    }
    lines[index] = 'APP_KEY=$key';
  } else {
    lines.add('APP_KEY=$key');
  }

  await envFile.writeAsString('${lines.join('\n')}\n');
  Console.success('APP_KEY written to .env');
  return ExitCode.success;
}