<?php

namespace Tests\Fakes;

use App\User\UseCases\CreateUserDto;
use App\User\User;
use App\User\UserRepository;

class FakeUserRepository implements UserRepository
{
    /**
     * @var User[]
     */
    private array $existingUsers = [];

    public function find(int $id): ?User
    {
        $user = array_find(
            $this->existingUsers,
            function (User $user) use ($id) {
                return $user->getId() === $id;
            }
        );
        if ($user === null) {
            return null;
        }

        return new User(
            id: $user->getId(),
            email: $user->getEmail(),
        );
    }

    public function create(CreateUserDto $dto): User
    {
        $id = $this->nextId();
        $user = new User(
            id: $id,
            email: $dto->email,
        );
        $this->existingUsers[$id] = $user;

        return $user;
    }

    private function nextId(): int
    {
        return count($this->existingUsers);
    }
}