<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory;

use Symfony\Component\Config\Definition\Builder\NodeDefinition;
use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
use Symfony\Component\DependencyInjection\ChildDefinition;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Reference;

/**
 * FormLoginFactory creates services for form login authentication.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * @internal
 */
class FormLoginFactory extends AbstractFactory implements AuthenticatorFactoryInterface
{
    public function __construct()
    {
        $this->addOption('username_parameter', '_username');
        $this->addOption('password_parameter', '_password');
        $this->addOption('csrf_parameter', '_csrf_token');
        $this->addOption('csrf_token_id', 'authenticate');
        $this->addOption('enable_csrf', false);
        $this->addOption('post_only', true);
    }

    public function getPosition()
    {
        return 'form';
    }

    public function getKey()
    {
        return 'form-login';
    }

    public function addConfiguration(NodeDefinition $node)
    {
        parent::addConfiguration($node);

        $node
            ->children()
                ->scalarNode('csrf_token_generator')->cannotBeEmpty()->end()
            ->end()
        ;
    }

    protected function getListenerId()
    {
        return 'security.authentication.listener.form';
    }

    protected function createAuthProvider(ContainerBuilder $container, string $id, array $config, string $userProviderId)
    {
        if ($config['enable_csrf'] ?? false) {
            throw new InvalidConfigurationException('The "enable_csrf" option of "form_login" is only available when "security.enable_authenticator_manager" is set to "true", use "csrf_token_generator" instead.');
        }

        $provider = 'security.authentication.provider.dao.'.$id;
        $container
            ->setDefinition($provider, new ChildDefinition('security.authentication.provider.dao'))
            ->replaceArgument(0, new Reference($userProviderId))
            ->replaceArgument(1, new Reference('security.user_checker.'.$id))
            ->replaceArgument(2, $id)
        ;

        return $provider;
    }

    protected function createListener(ContainerBuilder $container, string $id, array $config, string $userProvider)
    {
        $listenerId = parent::createListener($container, $id, $config, $userProvider);

        $container
            ->getDefinition($listenerId)
            ->addArgument(isset($config['csrf_token_generator']) ? new Reference($config['csrf_token_generator']) : null)
        ;

        return $listenerId;
    }

    protected function createEntryPoint(ContainerBuilder $container, string $id, array $config, ?string $defaultEntryPointId)
    {
        $entryPointId = 'security.authentication.form_entry_point.'.$id;
        $container
            ->setDefinition($entryPointId, new ChildDefinition('security.authentication.form_entry_point'))
            ->addArgument(new Reference('security.http_utils'))
            ->addArgument($config['login_path'])
            ->addArgument($config['use_forward'])
        ;

        return $entryPointId;
    }

    public function createAuthenticator(ContainerBuilder $container, string $firewallName, array $config, string $userProviderId): string
    {
        if (isset($config['csrf_token_generator'])) {
            throw new InvalidConfigurationException('The "csrf_token_generator" option of "form_login" is only available when "security.enable_authenticator_manager" is set to "false", use "enable_csrf" instead.');
        }

        $authenticatorId = 'security.authenticator.form_login.'.$firewallName;
        $options = array_intersect_key($config, $this->options);
        $authenticator = $container
            ->setDefinition($authenticatorId, new ChildDefinition('security.authenticator.form_login'))
            ->replaceArgument(1, new Reference($userProviderId))
            ->replaceArgument(2, new Reference($this->createAuthenticationSuccessHandler($container, $firewallName, $config)))
            ->replaceArgument(3, new Reference($this->createAuthenticationFailureHandler($container, $firewallName, $config)))
            ->replaceArgument(4, $options);

        if ($options['use_forward'] ?? false) {
            $authenticator->addMethodCall('setHttpKernel', [new Reference('http_kernel')]);
        }

        return $authenticatorId;
    }
}
