import 'package:flutter_test/flutter_test.dart';
import '_world.dart';

/// Usage: the app UI theme is {"<theme>"}
Future<void> theAppUiThemeIs(WidgetTester tester, String themeWrapped) async {
  String unwrap(String s) {
    var r = s.trim();
    if (r.startsWith('{') && r.endsWith('}')) {
      r = r.substring(1, r.length - 1).trim();
    }
    if (r.startsWith("'") && r.endsWith("'")) {
      r = r.substring(1, r.length - 1);
    }
    return r;
  }

  final t = unwrap(themeWrapped);
  if (t == 'system') {
    // When checking for 'system', we validate that selectedTheme is system
    expect(TestWorld.selectedTheme, 'system');
  } else {
    expect(TestWorld.currentTheme, t);
  }
}