import 'package:eatvio_app/generated/l10n.dart';
import 'package:eatvio_app/features/payment/presentation/payment_flow.dart';
import 'package:eatvio_app/features/payment/presentation/widgets/promo_code_modal.dart';
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  Widget createTestApp() {
    return const MaterialApp(
      localizationsDelegates: [
        S.delegate,
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      supportedLocales: [Locale('ru')],
      home: Scaffold(body: SizedBox()),
    );
  }

  group('showConsultationPaymentFlow', () {
    late bool gateCalled;
    late bool? gateResult;
    late bool formCalled;
    late PromoCodeResult? formResult;
    late bool sbpCalled;
    late int sbpPlanId;

    Future<bool?> mockGate(BuildContext context) async {
      gateCalled = true;
      return gateResult;
    }

    Future<PromoCodeResult?> mockForm(
      BuildContext context, {
      Future<PromoValidation> Function(String)? onValidate,
    }) async {
      formCalled = true;
      return formResult;
    }

    Future<void> mockSbp(BuildContext context, {required int planId}) async {
      sbpCalled = true;
      sbpPlanId = planId;
    }

    setUp(() {
      gateCalled = false;
      gateResult = null;
      formCalled = false;
      formResult = null;
      sbpCalled = false;
      sbpPlanId = 0;
    });

    testWidgets('Нет → вызывает SbpBanks (не форму)', (tester) async {
      gateResult = false;
      await tester.pumpWidget(createTestApp());

      await showConsultationPaymentFlow(
        tester.element(find.byType(SizedBox)),
        planId: 42,
        showGate: mockGate,
        showForm: mockForm,
        showSbp: mockSbp,
      );

      expect(gateCalled, isTrue);
      expect(formCalled, isFalse);
      expect(sbpCalled, isTrue);
      expect(sbpPlanId, 42);
    });

    testWidgets('Да → форма → Пропустить → вызывает SbpBanks', (tester) async {
      gateResult = true;
      formResult = const PromoCodeResult();
      await tester.pumpWidget(createTestApp());

      await showConsultationPaymentFlow(
        tester.element(find.byType(SizedBox)),
        planId: 42,
        showGate: mockGate,
        showForm: mockForm,
        showSbp: mockSbp,
      );

      expect(gateCalled, isTrue);
      expect(formCalled, isTrue);
      expect(sbpCalled, isTrue);
      expect(sbpPlanId, 42);
    });

    testWidgets('Да → форма отменена (null) → Sbp не вызывается', (tester) async {
      gateResult = true;
      formResult = null;
      await tester.pumpWidget(createTestApp());

      await showConsultationPaymentFlow(
        tester.element(find.byType(SizedBox)),
        planId: 42,
        showGate: mockGate,
        showForm: mockForm,
        showSbp: mockSbp,
      );

      expect(gateCalled, isTrue);
      expect(formCalled, isTrue);
      expect(sbpCalled, isFalse);
    });

    testWidgets('гейт отменён (null) → ничего не вызывается', (tester) async {
      gateResult = null;
      await tester.pumpWidget(createTestApp());

      await showConsultationPaymentFlow(
        tester.element(find.byType(SizedBox)),
        planId: 42,
        showGate: mockGate,
        showForm: mockForm,
        showSbp: mockSbp,
      );

      expect(gateCalled, isTrue);
      expect(formCalled, isFalse);
      expect(sbpCalled, isFalse);
    });
  });
}