<?php

namespace App\Command;

use App\Entity\User;
use App\Repository\UserRepository;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
use Symfony\Component\Validator\Validator\ValidatorInterface;

#[AsCommand(
    name: 'app:user:create',
    description: 'Create a dmtools user (there is no self-registration).',
)]
class CreateUserCommand extends Command
{
    public function __construct(
        private readonly EntityManagerInterface $em,
        private readonly UserRepository $users,
        private readonly UserPasswordHasherInterface $hasher,
        private readonly ValidatorInterface $validator,
    ) {
        parent::__construct();
    }

    protected function configure(): void
    {
        $this
            ->addArgument('email', InputArgument::REQUIRED, 'Login email')
            ->addArgument('password', InputArgument::OPTIONAL, 'Password (prompted if omitted)')
            ->addOption('admin', null, InputOption::VALUE_NONE, 'Grant ROLE_ADMIN');
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);

        $email = (string) $input->getArgument('email');
        $password = $input->getArgument('password');

        if (null === $password || '' === $password) {
            $password = $io->askHidden('Password');
        }
        if (null === $password || '' === $password) {
            $io->error('A password is required.');

            return Command::FAILURE;
        }

        if ($this->users->findOneBy(['email' => $email])) {
            $io->error(sprintf('A user with email "%s" already exists.', $email));

            return Command::FAILURE;
        }

        $user = new User();
        $user->setEmail($email);
        $user->setRoles($input->getOption('admin') ? ['ROLE_ADMIN'] : []);
        $user->setPassword($this->hasher->hashPassword($user, $password));

        $violations = $this->validator->validate($user);
        if (\count($violations) > 0) {
            foreach ($violations as $violation) {
                $io->error((string) $violation->getMessage());
            }

            return Command::FAILURE;
        }

        $this->em->persist($user);
        $this->em->flush();

        $io->success(sprintf('Created %s%s', $email, $input->getOption('admin') ? ' (admin)' : ''));

        return Command::SUCCESS;
    }
}