import 'package:flutter_test/flutter_test.dart';
import 'package:agenda_tasks/features/auth/domain/entities/user_entity.dart';

void main() {
  group('UserEntity', () {
    final testCreatedAt = DateTime(2026, 1, 1, 12, 0, 0);

    test('should create a UserEntity with required fields', () {
      const user = UserEntity(
        id: 'user-1',
        email: 'test@example.com',
        name: 'Test User',
      );

      expect(user.id, 'user-1');
      expect(user.email, 'test@example.com');
      expect(user.name, 'Test User');
      expect(user.createdAt, isNull);
    });

    test('should create a UserEntity with all fields', () {
      final user = UserEntity(
        id: 'user-1',
        email: 'test@example.com',
        name: 'Test User',
        createdAt: testCreatedAt,
      );

      expect(user.id, 'user-1');
      expect(user.email, 'test@example.com');
      expect(user.name, 'Test User');
      expect(user.createdAt, testCreatedAt);
    });

    group('copyWith', () {
      test('should return a copy with updated name', () {
        const original = UserEntity(
          id: 'user-1',
          email: 'test@example.com',
          name: 'Original Name',
        );
        final copy = original.copyWith(name: 'Updated Name');

        expect(copy.name, 'Updated Name');
        expect(copy.id, original.id);
        expect(copy.email, original.email);
      });

      test('should return a copy with updated email', () {
        const original = UserEntity(
          id: 'user-1',
          email: 'old@example.com',
          name: 'Test User',
        );
        final copy = original.copyWith(email: 'new@example.com');

        expect(copy.email, 'new@example.com');
        expect(copy.name, original.name);
      });

      test('should return identical copy when no arguments provided', () {
        final original = UserEntity(
          id: 'user-1',
          email: 'test@example.com',
          name: 'Test User',
          createdAt: testCreatedAt,
        );
        final copy = original.copyWith();

        expect(copy.id, original.id);
        expect(copy.email, original.email);
        expect(copy.name, original.name);
        expect(copy.createdAt, original.createdAt);
      });
    });

    group('equality', () {
      test('should be equal when ids are the same', () {
        const user1 = UserEntity(
          id: 'same-id',
          email: 'user1@example.com',
          name: 'User 1',
        );
        const user2 = UserEntity(
          id: 'same-id',
          email: 'user2@example.com',
          name: 'User 2',
        );

        expect(user1, equals(user2));
      });

      test('should not be equal when ids are different', () {
        const user1 = UserEntity(
          id: 'id-1',
          email: 'same@example.com',
          name: 'Same Name',
        );
        const user2 = UserEntity(
          id: 'id-2',
          email: 'same@example.com',
          name: 'Same Name',
        );

        expect(user1, isNot(equals(user2)));
      });

      test('should have same hashCode when ids are the same', () {
        const user1 = UserEntity(
          id: 'same-id',
          email: 'user1@example.com',
          name: 'User 1',
        );
        const user2 = UserEntity(
          id: 'same-id',
          email: 'user2@example.com',
          name: 'User 2',
        );

        expect(user1.hashCode, equals(user2.hashCode));
      });
    });
  });
}