// ignore_for_file: deprecated_member_use

import 'package:eatvio_app/core/prefs.dart';
import 'package:eatvio_app/core/theme/theme_helper.dart';
import 'package:eatvio_app/features/registration/presentation/bloc/registration_cubit/registration_cubit.dart';
import 'package:eatvio_app/features/registration/repositories/registration_repository.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/annotations.dart';

import 'basic_widget_test.mocks.dart';

@GenerateMocks([RegistrationRepository, Prefs])
void main() {
  group('Registration Basic Widget Tests', () {
    late MockRegistrationRepository mockRegistrationRepository;
    late RegistrationCubit registrationCubit;

    setUp(() {
      mockRegistrationRepository = MockRegistrationRepository();
      registrationCubit = RegistrationCubit(registrationRepository: mockRegistrationRepository, prefs: MockPrefs());
    });

    tearDown(() {
      registrationCubit.close();
    });

    Widget createTestWidget(Widget child) {
      return MaterialApp(
        theme: ThemeHelper().themeData(),
        home: BlocProvider<RegistrationCubit>(
          create: (context) => registrationCubit,
          child: Scaffold(body: SingleChildScrollView(child: child)),
        ),
      );
    }

    testWidgets('should create RegistrationCubit successfully', (WidgetTester tester) async {
      // Arrange & Act
      final cubit = RegistrationCubit(registrationRepository: mockRegistrationRepository, prefs: MockPrefs());

      // Assert
      expect(cubit, isA<RegistrationCubit>());

      cubit.close();
    });

    testWidgets('should display basic registration form fields', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = Column(
        children: [
          TextFormField(
            key: const Key('firstNameField'),
            decoration: const InputDecoration(labelText: 'Имя', hintText: 'Введите ваше имя'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('lastNameField'),
            decoration: const InputDecoration(labelText: 'Фамилия', hintText: 'Введите вашу фамилию'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('emailField'),
            decoration: const InputDecoration(labelText: 'Email', hintText: 'example@email.com'),
            keyboardType: TextInputType.emailAddress,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('passwordField'),
            decoration: const InputDecoration(labelText: 'Пароль', hintText: 'Введите пароль'),
            obscureText: true,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('passwordConfirmationField'),
            decoration: const InputDecoration(labelText: 'Подтверждение пароля', hintText: 'Повторите пароль'),
            obscureText: true,
          ),
          const SizedBox(height: 16),
          ElevatedButton(key: const Key('registerButton'), onPressed: () {}, child: const Text('Зарегистрироваться')),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.byKey(const Key('firstNameField')), findsOneWidget);
      expect(find.byKey(const Key('lastNameField')), findsOneWidget);
      expect(find.byKey(const Key('emailField')), findsOneWidget);
      expect(find.byKey(const Key('passwordField')), findsOneWidget);
      expect(find.byKey(const Key('passwordConfirmationField')), findsOneWidget);
      expect(find.byKey(const Key('registerButton')), findsOneWidget);
    });

    testWidgets('should update first name when user types in first name field', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = TextFormField(
        key: const Key('firstNameField'),
        decoration: const InputDecoration(labelText: 'Имя', hintText: 'Введите ваше имя'),
      );

      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      const testFirstName = 'Иван';

      // Act
      await tester.enterText(find.byKey(const Key('firstNameField')), testFirstName);
      await tester.pump();

      // Assert
      expect(find.text(testFirstName), findsOneWidget);
    });

    testWidgets('should update last name when user types in last name field', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = TextFormField(
        key: const Key('lastNameField'),
        decoration: const InputDecoration(labelText: 'Фамилия', hintText: 'Введите вашу фамилию'),
      );

      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      const testLastName = 'Иванов';

      // Act
      await tester.enterText(find.byKey(const Key('lastNameField')), testLastName);
      await tester.pump();

      // Assert
      expect(find.text(testLastName), findsOneWidget);
    });

    testWidgets('should update email when user types in email field', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = TextFormField(
        key: const Key('emailField'),
        decoration: const InputDecoration(labelText: 'Email', hintText: 'example@email.com'),
        keyboardType: TextInputType.emailAddress,
      );

      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      const testEmail = 'test@example.com';

      // Act
      await tester.enterText(find.byKey(const Key('emailField')), testEmail);
      await tester.pump();

      // Assert
      expect(find.text(testEmail), findsOneWidget);
    });

    testWidgets('should update password when user types in password field', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = TextFormField(
        key: const Key('passwordField'),
        decoration: const InputDecoration(labelText: 'Пароль', hintText: 'Введите пароль'),
        obscureText: true,
      );

      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      const testPassword = 'password123';

      // Act
      await tester.enterText(find.byKey(const Key('passwordField')), testPassword);
      await tester.pump();

      // Assert
      expect(find.text(testPassword), findsOneWidget);
    });

    testWidgets('should display gender selection', (WidgetTester tester) async {
      // Arrange
      Widget genderWidget = Column(
        children: [
          const Text('Пол'),
          const SizedBox(height: 8),
          Row(
            children: [
              Expanded(
                child: RadioListTile<String>(key: const Key('maleRadio'), title: const Text('Мужской'), value: 'male', groupValue: null, onChanged: (value) {}),
              ),
              Expanded(
                child: RadioListTile<String>(
                  key: const Key('femaleRadio'),
                  title: const Text('Женский'),
                  value: 'female',
                  groupValue: null,
                  onChanged: (value) {},
                ),
              ),
            ],
          ),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(genderWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Пол'), findsOneWidget);
      expect(find.byKey(const Key('maleRadio')), findsOneWidget);
      expect(find.byKey(const Key('femaleRadio')), findsOneWidget);
    });

    testWidgets('should handle gender selection', (WidgetTester tester) async {
      // Arrange
      String? selectedGender;
      Widget genderWidget = RadioListTile<String>(
        key: const Key('maleRadio'),
        title: const Text('Мужской'),
        value: 'male',
        groupValue: selectedGender,
        onChanged: (value) {
          selectedGender = value;
        },
      );

      await tester.pumpWidget(createTestWidget(genderWidget));
      await tester.pumpAndSettle();

      // Act
      await tester.tap(find.byKey(const Key('maleRadio')));
      await tester.pump();

      // Assert
      expect(selectedGender, equals('male'));
    });

    testWidgets('should display date of birth picker', (WidgetTester tester) async {
      // Arrange
      Widget dateWidget = Column(
        children: [
          const Text('Дата рождения'),
          const SizedBox(height: 8),
          TextFormField(
            key: const Key('birthDateField'),
            decoration: const InputDecoration(labelText: 'Дата рождения', hintText: 'ДД.ММ.ГГГГ'),
            readOnly: true,
            onTap: () {},
          ),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(dateWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Дата рождения'), findsNWidgets(2));
      expect(find.byKey(const Key('birthDateField')), findsOneWidget);
    });

    testWidgets('should display phone number field', (WidgetTester tester) async {
      // Arrange
      Widget phoneWidget = TextFormField(
        key: const Key('phoneField'),
        decoration: const InputDecoration(labelText: 'Номер телефона', hintText: '+7 (999) 123-45-67'),
        keyboardType: TextInputType.phone,
      );

      // Act
      await tester.pumpWidget(createTestWidget(phoneWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.byKey(const Key('phoneField')), findsOneWidget);
      expect(find.text('Номер телефона'), findsOneWidget);
    });

    testWidgets('should display height and weight fields', (WidgetTester tester) async {
      // Arrange
      Widget physicalWidget = Column(
        children: [
          TextFormField(
            key: const Key('heightField'),
            decoration: const InputDecoration(labelText: 'Рост (см)', hintText: '175'),
            keyboardType: TextInputType.number,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('weightField'),
            decoration: const InputDecoration(labelText: 'Вес (кг)', hintText: '70'),
            keyboardType: TextInputType.number,
          ),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(physicalWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.byKey(const Key('heightField')), findsOneWidget);
      expect(find.byKey(const Key('weightField')), findsOneWidget);
      expect(find.text('Рост (см)'), findsOneWidget);
      expect(find.text('Вес (кг)'), findsOneWidget);
    });

    testWidgets('should display form labels correctly', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = const Column(
        children: [
          Text('Имя'),
          Text('Фамилия'),
          Text('Email'),
          Text('Пароль'),
          Text('Подтверждение пароля'),
          Text('Пол'),
          Text('Дата рождения'),
          Text('Номер телефона'),
          Text('Рост'),
          Text('Вес'),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Имя'), findsOneWidget);
      expect(find.text('Фамилия'), findsOneWidget);
      expect(find.text('Email'), findsOneWidget);
      expect(find.text('Пароль'), findsOneWidget);
      expect(find.text('Подтверждение пароля'), findsOneWidget);
      expect(find.text('Пол'), findsOneWidget);
      expect(find.text('Дата рождения'), findsOneWidget);
      expect(find.text('Номер телефона'), findsOneWidget);
      expect(find.text('Рост'), findsOneWidget);
      expect(find.text('Вес'), findsOneWidget);
    });

    testWidgets('should display placeholder text in fields', (WidgetTester tester) async {
      // Arrange
      Widget formWidget = Column(
        children: [
          TextFormField(
            key: const Key('firstNameField'),
            decoration: const InputDecoration(labelText: 'Имя', hintText: 'Введите ваше имя'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('emailField'),
            decoration: const InputDecoration(labelText: 'Email', hintText: 'example@email.com'),
          ),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(formWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Введите ваше имя'), findsOneWidget);
      expect(find.text('example@email.com'), findsOneWidget);
    });

    testWidgets('should display register button', (WidgetTester tester) async {
      // Arrange
      Widget buttonWidget = ElevatedButton(key: const Key('registerButton'), onPressed: () {}, child: const Text('Зарегистрироваться'));

      // Act
      await tester.pumpWidget(createTestWidget(buttonWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.byKey(const Key('registerButton')), findsOneWidget);
      expect(find.text('Зарегистрироваться'), findsOneWidget);
    });

    testWidgets('should handle register button tap', (WidgetTester tester) async {
      // Arrange
      bool buttonPressed = false;
      Widget buttonWidget = ElevatedButton(
        key: const Key('registerButton'),
        onPressed: () {
          buttonPressed = true;
        },
        child: const Text('Зарегистрироваться'),
      );

      await tester.pumpWidget(createTestWidget(buttonWidget));
      await tester.pumpAndSettle();

      // Act
      await tester.tap(find.byKey(const Key('registerButton')));
      await tester.pump();

      // Assert
      expect(buttonPressed, isTrue);
    });

    testWidgets('should display loading state', (WidgetTester tester) async {
      // Arrange
      Widget loadingWidget = const Center(child: CircularProgressIndicator());

      // Act
      await tester.pumpWidget(createTestWidget(loadingWidget));
      await tester.pump();

      // Assert
      expect(find.byType(CircularProgressIndicator), findsOneWidget);
    });

    testWidgets('should display error message', (WidgetTester tester) async {
      // Arrange
      Widget errorWidget = const Center(child: Text('Произошла ошибка при регистрации'));

      // Act
      await tester.pumpWidget(createTestWidget(errorWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Произошла ошибка при регистрации'), findsOneWidget);
    });

    testWidgets('should display success message', (WidgetTester tester) async {
      // Arrange
      Widget successWidget = const Center(child: Text('Регистрация прошла успешно!'));

      // Act
      await tester.pumpWidget(createTestWidget(successWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Регистрация прошла успешно!'), findsOneWidget);
    });

    testWidgets('should validate required fields', (WidgetTester tester) async {
      // Arrange
      Widget validationWidget = Column(
        children: [
          TextFormField(
            key: const Key('firstNameField'),
            decoration: const InputDecoration(labelText: 'Имя', errorText: 'Имя обязательно'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('emailField'),
            decoration: const InputDecoration(labelText: 'Email', errorText: 'Email обязателен'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('passwordField'),
            decoration: const InputDecoration(labelText: 'Пароль', errorText: 'Пароль обязателен'),
          ),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(validationWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Имя обязательно'), findsOneWidget);
      expect(find.text('Email обязателен'), findsOneWidget);
      expect(find.text('Пароль обязателен'), findsOneWidget);
    });

    testWidgets('should display complete registration form', (WidgetTester tester) async {
      // Arrange
      Widget completeForm = Column(
        children: [
          TextFormField(
            key: const Key('firstNameField'),
            decoration: const InputDecoration(labelText: 'Имя', hintText: 'Введите ваше имя'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('lastNameField'),
            decoration: const InputDecoration(labelText: 'Фамилия', hintText: 'Введите вашу фамилию'),
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('emailField'),
            decoration: const InputDecoration(labelText: 'Email', hintText: 'example@email.com'),
            keyboardType: TextInputType.emailAddress,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('passwordField'),
            decoration: const InputDecoration(labelText: 'Пароль', hintText: 'Введите пароль'),
            obscureText: true,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('passwordConfirmationField'),
            decoration: const InputDecoration(labelText: 'Подтверждение пароля', hintText: 'Повторите пароль'),
            obscureText: true,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('phoneField'),
            decoration: const InputDecoration(labelText: 'Номер телефона', hintText: '+7 (999) 123-45-67'),
            keyboardType: TextInputType.phone,
          ),
          const SizedBox(height: 32),
          ElevatedButton(key: const Key('registerButton'), onPressed: () {}, child: const Text('Зарегистрироваться')),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(completeForm));
      await tester.pumpAndSettle();

      // Assert
      expect(find.byKey(const Key('firstNameField')), findsOneWidget);
      expect(find.byKey(const Key('lastNameField')), findsOneWidget);
      expect(find.byKey(const Key('emailField')), findsOneWidget);
      expect(find.byKey(const Key('passwordField')), findsOneWidget);
      expect(find.byKey(const Key('passwordConfirmationField')), findsOneWidget);
      expect(find.byKey(const Key('phoneField')), findsOneWidget);
      expect(find.byKey(const Key('registerButton')), findsOneWidget);
    });

    testWidgets('should display registration steps', (WidgetTester tester) async {
      // Arrange
      Widget stepsWidget = const Column(
        children: [
          Text('Шаг 1 из 15'),
          SizedBox(height: 8),
          LinearProgressIndicator(value: 0.067),
          SizedBox(height: 16),
          Text('Основная информация'),
          SizedBox(height: 8),
          Text('Шаг 2 из 15'),
          SizedBox(height: 8),
          LinearProgressIndicator(value: 0.133),
          SizedBox(height: 16),
          Text('Личные данные'),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(stepsWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Шаг 1 из 15'), findsOneWidget);
      expect(find.text('Шаг 2 из 15'), findsOneWidget);
      expect(find.text('Основная информация'), findsOneWidget);
      expect(find.text('Личные данные'), findsOneWidget);
      expect(find.byType(LinearProgressIndicator), findsNWidgets(2));
    });

    testWidgets('should display terms and conditions checkbox', (WidgetTester tester) async {
      // Arrange
      Widget termsWidget = CheckboxListTile(
        key: const Key('termsCheckbox'),
        title: const Text('Я согласен с условиями использования'),
        subtitle: const Text('Нажимая кнопку "Зарегистрироваться", вы принимаете наши условия'),
        value: false,
        onChanged: (value) {},
      );

      // Act
      await tester.pumpWidget(createTestWidget(termsWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.byKey(const Key('termsCheckbox')), findsOneWidget);
      expect(find.text('Я согласен с условиями использования'), findsOneWidget);
      expect(find.text('Нажимая кнопку "Зарегистрироваться", вы принимаете наши условия'), findsOneWidget);
    });

    testWidgets('should handle terms and conditions checkbox', (WidgetTester tester) async {
      // Arrange
      bool termsAccepted = false;
      Widget termsWidget = CheckboxListTile(
        key: const Key('termsCheckbox'),
        title: const Text('Я согласен с условиями использования'),
        value: termsAccepted,
        onChanged: (value) {
          termsAccepted = value ?? false;
        },
      );

      await tester.pumpWidget(createTestWidget(termsWidget));
      await tester.pumpAndSettle();

      // Act
      await tester.tap(find.byKey(const Key('termsCheckbox')));
      await tester.pump();

      // Assert
      expect(termsAccepted, isTrue);
    });

    testWidgets('should display additional information fields', (WidgetTester tester) async {
      // Arrange
      Widget additionalWidget = Column(
        children: [
          const Text('Дополнительная информация'),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('allergiesField'),
            decoration: const InputDecoration(labelText: 'Аллергии', hintText: 'Укажите ваши аллергии'),
            maxLines: 3,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('medicationsField'),
            decoration: const InputDecoration(labelText: 'Принимаемые лекарства', hintText: 'Укажите принимаемые лекарства'),
            maxLines: 3,
          ),
          const SizedBox(height: 16),
          TextFormField(
            key: const Key('sportsField'),
            decoration: const InputDecoration(labelText: 'Любимые виды спорта', hintText: 'Укажите ваши любимые виды спорта'),
            maxLines: 2,
          ),
        ],
      );

      // Act
      await tester.pumpWidget(createTestWidget(additionalWidget));
      await tester.pumpAndSettle();

      // Assert
      expect(find.text('Дополнительная информация'), findsOneWidget);
      expect(find.byKey(const Key('allergiesField')), findsOneWidget);
      expect(find.byKey(const Key('medicationsField')), findsOneWidget);
      expect(find.byKey(const Key('sportsField')), findsOneWidget);
      expect(find.text('Аллергии'), findsOneWidget);
      expect(find.text('Принимаемые лекарства'), findsOneWidget);
      expect(find.text('Любимые виды спорта'), findsOneWidget);
    });
  });
}