<?php

namespace Project\Controller;

use Butterfly\Component\Form\ArrayConstraint;
use Butterfly\Component\Form\Transform\Trim;
use Butterfly\Component\Form\Validation\IsNotNull;
use Butterfly\Component\Form\Validation\IsTrue;
use Butterfly\Plugin\Auth\Identificator;
use ButterflyAddition\BaseProjectController;
use Project\Component\Auth\PasswordEncryptor;
use Project\Entity\User;
use Project\Repository\UserRepository;
use Symfony\Component\HttpFoundation\Request;

/**
 * @service project.controller.auth
 */
class AuthController extends BaseProjectController
{
    public function loginAction()
    {
        return $this->render('auth/login.html.twig');
    }

    public function logoutAction()
    {
        $this->getIdentificationService()->removeIdentificator();

        return $this->redirectByRoute('training.index');
    }

    public function processAction(Request $request)
    {
        $form = $this->getAuthForm();
        $form->filter($request->get('auth', []));

        if (!$form->isValid()) {
            return $this->render('auth/login.html.twig', [
                'form' => $form,
            ]);
        }

        /** @var User $user */
        $user          = $form->get('login')->getValue('user');
        $identificator = Identificator::createIdentificator($user->getId(), ['email' => $user->getEmail()]);
        $this->getIdentificationService()->setIdentificator($identificator);

        return $this->redirectByRoute('training.index');
    }

    /**
     * @return ArrayConstraint
     */
    protected function getAuthForm()
    {
        return ArrayConstraint::create()
            ->addScalarConstraint('login')
                ->addTransformer(new Trim())
                ->saveValue('login')
                ->addCallableTransformer([$this->getUserRepository(), 'findOneByEmailOrPhone'])
                ->addValidator(new IsNotNull(), 'Пользователь не найден')
                ->saveValue('user')
                ->restoreValue('login')
            ->end()
            ->addScalarConstraint('password')
            ->end()
            ->addSyntheticConstraint('isAccess')
                ->addCallableTransformer(function(ArrayConstraint $form) {
                    if (!$form->get('login')->isValid()) {
                        return false;
                    }

                    /** @var User $user */
                    $user     = $form->get('login')->getValue('user');
                    $password = $form->get('password')->getValue();

                    return $this->getPasswordEncryptor()->check($password, $user->getPassword());
                })
                ->addValidator(new IsTrue(), 'Неправильные login или пароль')
            ->end();
    }

    /**
     * @return UserRepository
     */
    protected function getUserRepository()
    {
        return $this->getRepository(User::ALIAS);
    }

    /**
     * @return PasswordEncryptor
     */
    protected function getPasswordEncryptor()
    {
        return $this->container->get('project.password_encryptor');
    }
}