// settings_ia_test.dart — 设置页 IA 结构断言:三个分组标题存在 / 购买入口不在设置页(归 Account)。
//
// 桌面态(windows 平台 + 宽 surface),经 HomeShell 渲染真实 DesktopShell → SettingsPage,
// 与 account_ia_test.dart 同一套 harness。
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pangolin_vpn/bridge/vpn_bridge_mock.dart';
import 'package:pangolin_vpn/bridge/vpn_bridge_provider.dart';
import 'package:pangolin_vpn/l10n/app_text.dart';
import 'package:pangolin_vpn/l10n/strings_zh.dart';
import 'package:pangolin_vpn/pangolin_theme.dart';
import 'package:pangolin_vpn/screens/settings_page.dart';
import 'package:pangolin_vpn/services/token_store.dart';
import 'package:pangolin_vpn/shell/desktop_shell.dart';
import 'package:pangolin_vpn/shell/home_shell.dart';
import 'package:pangolin_vpn/state/app_providers.dart';
import 'package:pangolin_vpn/state/auth_provider.dart';
import 'package:pangolin_vpn/state/navigation_provider.dart';

import '../helpers/harness.dart';

final AppText t = StringsZh();

class _NullTokenStore implements TokenStore {
  const _NullTokenStore();
  @override
  Future<void> saveTokens({required String access, required String refresh}) async {}
  @override
  Future<String?> loadAccessToken() async => null;
  @override
  Future<String?> loadRefreshToken() async => null;
  @override
  Future<void> clear() async {}
  @override
  Future<void> markOnboarded() async {}
  @override
  Future<bool> isOnboarded() async => true;
  @override
  Future<void> saveLastEmail(String email) async {}
  @override
  Future<String?> loadLastEmail() async => null;
}

void main() {
  setUpAll(disableGoogleFontsFetching);

  testWidgets('settings page IA: three group labels present / purchase entry moved out to account', (tester) async {
    debugDefaultTargetPlatformOverride = TargetPlatform.windows;
    tester.view.physicalSize = const Size(920, 1400);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);
    try {
      await tester.pumpWidget(ProviderScope(
        overrides: [
          tokenStoreProvider.overrideWithValue(const _NullTokenStore()),
          vpnBridgeProvider.overrideWithValue(VpnBridgeMock()),
          appTextProvider.overrideWithValue(t),
          navViewProvider.overrideWith((ref) => NavView.settings),
        ],
        child: MaterialApp(
          debugShowCheckedModeBanner: false,
          theme: PangolinTheme.light,
          home: const HomeShell(),
        ),
      ));
      await tester.pumpAndSettle();

      expect(find.byType(DesktopShell), findsOneWidget);
      expect(find.byType(SettingsPage), findsOneWidget);

      // 三个分组标题存在(连接/外观/关于)。
      expect(find.descendant(of: find.byType(SettingsPage), matching: find.text(t.settingsGroupConn)), findsOneWidget);
      expect(find.descendant(of: find.byType(SettingsPage), matching: find.text(t.settingsGroupAppearance)), findsOneWidget);
      expect(find.descendant(of: find.byType(SettingsPage), matching: find.text(t.settingsGroupAbout)), findsOneWidget);

      // 购买入口不在设置页(归 Account)。
      expect(find.descendant(of: find.byType(SettingsPage), matching: find.text(t.purchaseTitle)), findsNothing);
    } finally {
      debugDefaultTargetPlatformOverride = null;
    }
  });
}