// Author: fruit.com.cn

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/data/models/auth_session.dart';
import 'package:fruitshorts/core/data/repositories/account_repository.dart';
import 'package:fruitshorts/core/data/remote/api_client.dart';
import 'package:fruitshorts/core/data/remote/auth_api.dart';
import 'package:fruitshorts/core/data/services/auth_controller.dart';
import 'package:fruitshorts/core/data/services/auth_session_store.dart';
import 'package:fruitshorts/l10n/app_localizations.dart';
import 'package:fruitshorts/pages/account/account_deactivate_page.dart';
import 'package:fruitshorts/pages/account/account_devices_page.dart';
import 'package:fruitshorts/pages/account/account_export_page.dart';
import 'package:fruitshorts/pages/account/account_profile_page.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';

import '../support/fake_account_repository.dart';

void main() {
  testWidgets('should_fill_profile_and_save_nickname', (tester) async {
    final repository = FakeAccountRepository();
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountProfilePage(),
      repository: repository,
      auth: auth,
      locale: const Locale('zh'),
    );

    final nickname = find.byKey(const Key('account-nickname'));
    expect(find.byKey(const Key('account-birthday')), findsNothing);
    expect(find.text('保存'), findsOneWidget);
    expect(tester.widget<TextField>(nickname).controller?.text, 'Nadia');
    await tester.enterText(nickname, 'Nadia Baru');
    await tester.tap(find.byKey(const Key('account-profile-save')));
    await tester.pumpAndSettle();

    expect(repository.lastUpdate?.nickname, 'Nadia Baru');
    expect(repository.lastUpdate?.birthday, isNull);
  });

  testWidgets('should_show_device_empty_state_when_list_is_empty', (
    tester,
  ) async {
    final repository = FakeAccountRepository();
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountDevicesPage(),
      repository: repository,
      auth: auth,
    );

    expect(find.byKey(const Key('account-devices-empty')), findsOneWidget);
  });

  testWidgets('should_confirm_before_deactivation_and_show_schedule', (
    tester,
  ) async {
    final repository = FakeAccountRepository();
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountDeactivatePage(),
      repository: repository,
      auth: auth,
    );

    final l10n = await AppLocalizations.delegate.load(const Locale('en'));
    expect(find.text(l10n.accountDeactivateReason), findsOneWidget);
    await tester.enterText(
      find.byKey(const Key('account-deactivate-reason')),
      '不再使用',
    );
    await tester.tap(find.byKey(const Key('account-deactivate-submit')));
    await tester.pumpAndSettle();
    expect(find.byKey(const Key('account-deactivate-confirm')), findsOneWidget);
    await tester.tap(find.byKey(const Key('account-deactivate-confirm')));
    await tester.pumpAndSettle();

    expect(repository.lastDeactivateReason, '不再使用');
    expect(
      find.byKey(const Key('account-deactivate-scheduled')),
      findsOneWidget,
    );
    expect(auth.isSignedIn, isFalse);
  });

  testWidgets('should_retry_export_after_failure', (tester) async {
    final repository = FakeAccountRepository()..failExport = true;
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountExportPage(),
      repository: repository,
      auth: auth,
    );

    expect(find.byKey(const Key('account-export-error')), findsOneWidget);
    repository.failExport = false;
    await tester.tap(find.byKey(const Key('account-export-retry')));
    await tester.pumpAndSettle();

    expect(find.byKey(const Key('account-export-content')), findsOneWidget);
  });

  testWidgets('should_show_localized_network_copy_when_profile_load_fails', (
    tester,
  ) async {
    final repository = FakeAccountRepository()..throwUnexpected = true;
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountProfilePage(),
      repository: repository,
      auth: auth,
      locale: const Locale('zh'),
    );
    final l10n = await AppLocalizations.delegate.load(const Locale('zh'));

    expect(find.text(l10n.networkError), findsOneWidget);
    expect(find.text('accountProfileLoadFailed'), findsNothing);
  });

  testWidgets('should_show_localized_network_copy_when_profile_save_fails', (
    tester,
  ) async {
    final repository = FakeAccountRepository();
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountProfilePage(),
      repository: repository,
      auth: auth,
    );
    repository.throwUnexpected = true;
    await tester.enterText(
      find.byKey(const Key('account-nickname')),
      'Nadia Baru',
    );
    await tester.tap(find.byKey(const Key('account-profile-save')));
    await tester.pumpAndSettle();
    final l10n = await AppLocalizations.delegate.load(const Locale('en'));

    expect(find.text(l10n.networkError), findsOneWidget);
    expect(find.text('accountProfileSaveFailed'), findsNothing);
  });

  testWidgets('should_show_localized_network_copy_when_devices_fail', (
    tester,
  ) async {
    final repository = FakeAccountRepository()..throwUnexpected = true;
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountDevicesPage(),
      repository: repository,
      auth: auth,
      locale: const Locale('id'),
    );
    final l10n = await AppLocalizations.delegate.load(const Locale('id'));

    expect(find.text(l10n.networkError), findsOneWidget);
    expect(find.text('accountDevicesLoadFailed'), findsNothing);
  });

  testWidgets('should_show_localized_network_copy_when_export_fails', (
    tester,
  ) async {
    final repository = FakeAccountRepository()..throwUnexpected = true;
    final auth = await _signedInAuth();
    await _pumpPage(
      tester,
      AccountExportPage(),
      repository: repository,
      auth: auth,
    );
    final l10n = await AppLocalizations.delegate.load(const Locale('en'));

    expect(find.text(l10n.networkError), findsOneWidget);
    expect(find.text('accountExportLoadFailed'), findsNothing);
  });
}

Future<AuthController> _signedInAuth() async {
  SharedPreferencesAsyncPlatform.instance =
      InMemorySharedPreferencesAsync.empty();
  await AuthSessionStore().save(
    const AuthSession(
      accessToken: 'access',
      refreshToken: 'refresh',
      user: AuthUser(uid: 'U-K19', nickname: 'Nadia'),
    ),
  );
  final client = ApiClient(baseUrl: 'http://127.0.0.1:8081');
  final auth = AuthController(AuthApi(client), AuthSessionStore());
  await auth.load();
  return auth;
}

Future<void> _pumpPage(
  WidgetTester tester,
  Widget page, {
  required FakeAccountRepository repository,
  required AuthController auth,
  Locale locale = const Locale('en'),
}) async {
  tester.view.physicalSize = const Size(390, 844);
  tester.view.devicePixelRatio = 1;
  addTearDown(tester.view.resetPhysicalSize);
  addTearDown(tester.view.resetDevicePixelRatio);
  await tester.pumpWidget(
    MultiProvider(
      providers: [
        Provider<AccountRepository>.value(value: repository),
        ChangeNotifierProvider<AuthController>.value(value: auth),
      ],
      child: MaterialApp(
        locale: locale,
        supportedLocales: AppLocalizations.supportedLocales,
        localizationsDelegates: AppLocalizations.localizationsDelegates,
        home: Theme(data: ThemeData.dark(), child: page),
      ),
    ),
  );
  await tester.pumpAndSettle();
}