/// Build-time configuration, passed with `--dart-define` (or `--dart-define-from-file=env.json`).
/// When the Supabase values are empty the app runs on the bundled demo catalog.
abstract final class Env {
  static const supabaseUrl = String.fromEnvironment('SUPABASE_URL');
  static const supabasePublishableKey = String.fromEnvironment('SUPABASE_PUBLISHABLE_KEY');

  /// Public base URL of the audio files. Defaults to the Supabase "audio" storage bucket.
  static const _mediaBaseUrl = String.fromEnvironment('MEDIA_BASE_URL');
  static String get mediaBaseUrl =>
      _mediaBaseUrl.isNotEmpty ? _mediaBaseUrl : '$supabaseUrl/storage/v1/object/public/audio';

  static bool get hasSupabase => supabaseUrl.isNotEmpty && supabasePublishableKey.isNotEmpty;
}