import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:jiu_client/core/theme/theme_controller.dart';
import 'package:jiu_client/providers/connectivity_provider.dart';
import 'package:jiu_client/screens/auth/login_screen.dart';

import '../support/golden_harness.dart';

/// design-distill 阶段4：登录屏 golden × 三主题（照原型 login.html 重建：
/// 两栏卡片=品牌渐变面板+表单，右上角主题切换器）。1280×900 与 fidelity 注册一致。
/// 历史账号 mock 成原型预填值（DSJH-001 / wang），记住我默认开 → 表单预填。
/// 更新基准：flutter test --update-goldens test/golden/login_golden_test.dart
void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  SharedPreferences.setMockInitialValues({
    'login_history_hotels': ['DSJH-001'],
    'login_history_usernames': ['wang'],
  });

  for (final theme in const ['a', 'b', 'c']) {
    testWidgets('login 整屏 · theme $theme', (tester) async {
      await pumpGolden(
        tester,
        child: const LoginScreen(),
        theme: theme,
        goldenName: 'login_$theme',
        overrides: [
          // 跳过联网首检，避免后台 Timer 在 golden 结束后仍 pending
          connectivityProvider
              .overrideWith((ref) => ConnectivityNotifier(skipInit: true)),
          // 主题切换器选中态跟随当前主题（与原型 setTheme 同步高亮一致）
          themeControllerProvider.overrideWith((ref) {
            final c = ThemeController();
            c.set(theme);
            return c;
          }),
        ],
        logical: const Size(1280, 900),
      );
    });
  }
}