Future<String> getWikipediaArticle(String articleTitle) async {
  final client = http.Client(); // Create an HTTP client
  final url = Uri.https(
    'en.wikipedia.org', // Wikipedia API domain
    '/api/rest_v1/page/summary/$articleTitle', // API path for article summary
  );
  // ...
}

// ... (beginning of searchWikipedia function, after determining articleTitle)
void searchWikipedia(List<String>? arguments) async {
  late String? articleTitle;
  if (arguments == null || arguments.isEmpty) {
    print('Please provide an article title.');
    final inputFromStdin = stdin.readLineSync();
    if (inputFromStdin == null || inputFromStdin.isEmpty) {
      print('No article title provided. Exiting.');
      return;
    }
    articleTitle = inputFromStdin;
  } else {
    articleTitle = arguments.join(' ');
  }
  print('Looking up articles about "$articleTitle". Please wait.');
  // Call the API and await the result
  var articleContent = await getWikipediaArticle(articleTitle);
  print(articleContent); // Print the full article response (raw JSON for now)
}

// ... (existing const version declaration and printUsage function)
void main(List<String> arguments) {
  if (arguments.isEmpty || arguments.first == 'help') {
    printUsage();
  } else if (arguments.first == 'version') {
    print('Dartpedia CLI version $version');
  } else if (arguments.first == 'wikipedia') { // Changed to 'wikipedia'
    // Pass all arguments *after* 'wikipedia' to searchWikipedia
    final inputArgs = arguments.length > 1 ? arguments.sublist(1) : null;
    searchWikipedia(inputArgs); // Call searchWikipedia (no 'await' needed here for main)
  } else {
    printUsage(); // Catch all for any unrecognized command.
  }
  print("Fonksiyon kapandı");
}