<?php

namespace Lc\ShopBundle\Twig;

use App\Repository\HubRepository;
use App\Services\GlobalParam;
use Doctrine\ORM\EntityManagerInterface;
use Lc\ShopBundle\Context\GlobalParamInterface;
use Lc\ShopBundle\Context\MerchantInterface;
use Lc\ShopBundle\Context\ProductCategoryInterface;
use Lc\ShopBundle\Context\ProductFamilyInterface;
use Lc\ShopBundle\Form\Frontend\NewsletterType;
use Lc\ShopBundle\Repository\ProductCategoryRepository;
use Symfony\Component\Form\FormFactoryInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Core\Security;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Twig\TwigFunction;

class FrontendTwigExtension extends AbstractExtension
{
        protected $em ;
        protected $security ;
        protected $globalParam ;
        protected $formFactory ;
        protected $requestStack ;
        protected $productCategoryRepository ;
        protected $merchantRepository ;
        protected $productFamilyRepository ;

        public function __construct(EntityManagerInterface $em, Security $security, GlobalParamInterface $globalParam,
                                    FormFactoryInterface $formFactory, RequestStack $requestStack)
        {
                $this->em = $em ;
                $this->security = $security ;
                $this->globalParam = $globalParam ;
                $this->formFactory = $formFactory ;
                $this->requestStack = $requestStack ;
                $this->productCategoryRepository = $this->em->getRepository($this->em->getClassMetadata(ProductCategoryInterface::class)->getName()) ;
                $this->merchantRepository = $this->em->getRepository($this->em->getClassMetadata(MerchantInterface::class)->getName()) ;
                $this->productFamilyRepository = $this->em->getRepository($this->em->getClassMetadata(ProductFamilyInterface::class)->getName()) ;
        }

        public function getFunctions()
        {
                return array(
                        new TwigFunction('get_product_categories', [$this, 'getProductCategories']),
                        new TwigFunction('get_form_newsletter', [$this, 'getFormNewsletter']),
                        new TwigFunction('get_merchants', [$this, 'getMerchants']),
                );
        }

        public function getFilters()
        {
                return [
                        new TwigFilter('format_price', [$this, 'formatPrice']),
                ];
        }

        public function getProductCategories()
        {
                $categories = $this->productCategoryRepository->findAllParents($this->globalParam->getCurrentMerchant()) ;
                return $categories ;
        }

        public function getFormNewsletter()
        {
                $form = $this->formFactory->create(NewsletterType::class);
                return $form->createView() ;
        }

        public function formatPrice($price)
        {
                $price = number_format($price, 2, ',', ' ') ;
                $price = $price .'&nbsp;€' ;
                return $price  ;
        }

        public function getMerchants()
        {
                return $this->merchantRepository->findAll() ;
        }

}