import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:ikar/backend/api.dart';
import 'package:ikar/backend/modules/account.dart';
import 'package:ikar/frontend/screens/auth/registration_screen.dart';
import 'package:ikar/l10n/app_localizations.dart';

class _Api extends Api {
  @override
  Stream<SessionState> get stateStream => const Stream.empty();
}

class _Account extends AccountModule {
  _Account(super.api);
  int registrations = 0;
  final loginAttempts = <(int?, String?)>[];

  @override
  Future<int> completeRegistration({
    required String token,
    required String firstName,
    String? lastName,
    int? photoId,
  }) async {
    registrations++;
    expect(token, 'registration-token');
    expect(firstName, 'New');
    return 42;
  }

  @override
  Future<LoginResult> login({
    int? accountId,
    String? token,
    LoginSyncParams? syncParams,
  }) async {
    loginAttempts.add((accountId, token));
    throw StateError('Synthetic network interruption');
  }
}

void main() {
  testWidgets(
    'failed first login retries saved session without registering again',
    (tester) async {
      final api = _Api();
      final account = _Account(api);
      await tester.pumpWidget(
        MaterialApp(
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          locale: const Locale('ru'),
          home: RegistrationScreen(
            phoneNumber: '+7 999 000-00-00',
            registerToken: 'registration-token',
            presetAvatars: const [],
            account: account,
          ),
        ),
      );
      await tester.enterText(find.byType(TextField).first, ' New ');
      await tester.pump();
      await tester.tap(find.byType(FloatingActionButton));
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 300));
      expect(account.registrations, 1);
      expect(account.loginAttempts, [(42, null)]);
      expect(
        tester.widget<TextField>(find.byType(TextField).first).enabled,
        isFalse,
      );

      await tester.tap(find.byType(FloatingActionButton));
      await tester.pump();
      expect(account.registrations, 1);
      expect(account.loginAttempts, [(42, null), (42, null)]);
      await tester.pump(const Duration(seconds: 6));
      await tester.pumpWidget(const SizedBox());
      await tester.pumpAndSettle();
      await api.dispose();
    },
  );
}