<?php

namespace App\User\UseCases;

use App\Exceptions\BadRequestException;
use App\User\UserRepository;
use App\ValueObjects\EmailAddress;

class CreateUser
{
    public function __construct(
        private UserRepository $userRepo,
    ) {}

    /**
     * @throws BadRequestException
     */
    public function execute(CreateUserRequest $dto): void
    {
        if ($dto->email === null) {
            throw new BadRequestException('email is required');
        }

        if ($dto->password === null) {
            throw new BadRequestException('password is required');
        }

        if (strlen($dto->password) < 8) {
            throw new BadRequestException(
                'password must be at least 8 characters'
            );
        }

        $email = new EmailAddress($dto->email);
        if ($this->userRepo->findByEmail($email) !== null) {
            throw new BadRequestException('email already taken');
        }

        $this->userRepo->create(new CreateUserDto(
            email: $email,
            passwordHash: password_hash($dto->password, PASSWORD_DEFAULT),
            isAdmin: $dto->isAdmin,
        ));
    }
}