info_tren/lib/models/ui_design.dart

enum UiDesign {
  MATERIAL,
  CUPERTINO,
  FLUENT,
}

extension UIName on UiDesign {
  String get userInterfaceName => (const {
    UiDesign.MATERIAL: 'Material',
    UiDesign.CUPERTINO: 'Cupertino',
    UiDesign.FLUENT: 'Fluent',
  })[this]!;
}

class UnmatchedUiDesignException implements Exception {
  final UiDesign uiDesign;

  UnmatchedUiDesignException(this.uiDesign);

  @override
  String toString() {
    return '$uiDesign was not matched';
  }
}