// client/test/theme/theme_switch_widget_test.dart
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:jiu_client/core/theme/context_tokens.dart';
import 'package:jiu_client/core/theme/themes.dart';
import 'package:jiu_client/core/theme/theme_controller.dart';

// 复刻 main.dart 的主题接线最小骨架，验证切 key → 主题色变化。
void main() {
  setUp(() => SharedPreferences.setMockInitialValues({}));

  testWidgets('切换 themeController 改变 context.tokens.primary', (tester) async {
    late WidgetRef capturedRef;
    late Color seen;
    await tester.pumpWidget(ProviderScope(child: Consumer(builder: (ctx, ref, _) {
      capturedRef = ref;
      final key = ref.watch(themeControllerProvider);
      return MaterialApp(
        theme: buildTheme(key),
        home: Builder(builder: (c) { seen = c.tokens.primary; return const SizedBox(); }),
      );
    })));
    expect(seen, const Color(0xFF2563AC)); // a
    await capturedRef.read(themeControllerProvider.notifier).set('c');
    await tester.pumpAndSettle();
    expect(seen, const Color(0xFF7C1F2C)); // c 酒窖酒红
  });
}