<?php

declare(strict_types=1);

namespace Scheb\TwoFactorBundle\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\LogicException;

/**
 * Determine the default mailer to use.
 *
 * @final
 */
class MailerCompilerPass implements CompilerPassInterface
{
    public function process(ContainerBuilder $container): void
    {
        if (!$container->hasDefinition('scheb_two_factor.security.email.provider')) {
            // Email authentication is not enabled
            return;
        }

        if ($container->hasAlias('scheb_two_factor.security.email.auth_code_mailer')) {
            // Custom AuthCodeMailer
            return;
        }

        if (!$container->hasDefinition('mailer.mailer')) {
            throw new LogicException('Could not determine default mailer service to use. Please install symfony/mailer or create your own mailer and configure it under "scheb_two_factor.email.mailer.');
        }

        $container->setAlias('scheb_two_factor.security.email.auth_code_mailer', 'scheb_two_factor.security.email.symfony_auth_code_mailer');
    }
}