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 licenseType = (argResults?['type'] ?? 'mit').toString().toLowerCase();
  final supported = ['mit', 'apache-2.0', 'gpl-3.0'];
  if (!supported.contains(licenseType)) {
    logger.err('Unsupported license type: $licenseType');
    exit(64);
  }
  logger.info('Running license command...');

  final licenseFiles = ['LICENSE', 'LICENSE.md', 'LICENSE.txt'];
  for (final p in licenseFiles) {
    if (await File(p).exists()) {
      logger.success('Found license file: $p');
      return;
    }
  }

  // No license file found; determine author and generate license
  try {
    String author;
    if (argResults?.wasParsed('author') ?? false) {
      author = (argResults?['author'] ?? '').toString().trim();
    } else if (stdin.hasTerminal) {
      stdout.write('Author name (press Enter to leave blank): ');
      author = (stdin.readLineSync() ?? '').trim();
    } else {
      // Non-interactive: default to empty author (no fallback)
      author = '';
    }

    final generator = license_lib.LicenseCommand(licenseType);
    generator.execute();

    // Prepend copyright line based on provided author (no fallback if empty)
    try {
      final file = File('LICENSE');
      final content = await file.readAsString();
      final year = DateTime.now().year;
      final owner = author;
      final copyrightLine = owner.isEmpty
          ? 'Copyright (c) $year'
          : 'Copyright (c) $year $owner';
      await file.writeAsString('$copyrightLine\n\n$content');
    } catch (e) {
      logger.err('Failed to update LICENSE with author: $e');
      exit(1);
    }

    logger.success('Created LICENSE (${licenseType.toUpperCase()}).');
  } catch (e) {
    logger.err('Failed to create LICENSE: $e');
    exit(1);
  }
}