<?php

namespace WebserviceBundle\Controller;

use FOS\RestBundle\Controller\Annotations\QueryParam;
use FOS\RestBundle\Controller\Annotations\RouteResource;
use FOS\RestBundle\Controller\Annotations\View;
use FOS\RestBundle\Request\ParamFetcherInterface;
use FOS\RestBundle\Util\Codes;
use FOS\RestBundle\View\View as FOSView;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Form\Form;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

use Voryx\RESTGeneratorBundle\Controller\VoryxController;

abstract class RESTController extends VoryxController
{
    /**
     * @return string Retorna el nombre de la Entity de trabajo.
     */
    abstract public function getRepository();

    /**
     * Get all entities.
     *
     * @View(serializerEnableMaxDepthChecks=true)
     *
     * @param ParamFetcherInterface $paramFetcher
     * @param string $repository
     *
     * @return Response
     *
     * @QueryParam(name="offset", requirements="\d+", nullable=true, description="Offset from which to start listing notes.")
     * @QueryParam(name="limit", requirements="\d+", default="20", description="How many notes to return.")
     * @QueryParam(name="order_by", nullable=true, array=true, description="Order by fields. Must be an array ie. &order_by[name]=ASC&order_by[description]=DESC")
     * @QueryParam(name="filters", nullable=true, array=true, description="Filter by fields. Must be an array ie. &filters[id]=3")
     * &filters[qb-criteria] => Utilizará el matching con criteria donde los parámetros filters realizarán "field like %value%".
     */
    public function cgetAction(ParamFetcherInterface $paramFetcher)
    {
        $em = $this->getDoctrine()->getManager();
        $filters = !is_null($paramFetcher->get('filters')) ? $paramFetcher->get('filters') : array();
        if (isset($filters['tenancy_id'])) {
            // tengo que buscar por tenencia.
            $tenancyService = $this->container->get('base_tenancy.tenancy_service');
            $tenancyService->setTenancy($filters['tenancy_id']);
            unset($filters['tenancy_id']);
        }
        if (isset($filters['qb-criteria'])) {
            try {

                unset($filters['qb-criteria']);
                $criteria = new \Doctrine\Common\Collections\Criteria();

                foreach ($filters as $field => $value) {
                    $criteria->andWhere($criteria->expr()->contains("$field", "$value"));
                }

                if (!is_null($paramFetcher->get('offset'))) {
                    $criteria->setFirstResult($paramFetcher->get('offset'));
                }

                if (!is_null($paramFetcher->get('limit'))) {
                    $criteria->setMaxResults($paramFetcher->get('limit'));
                }

                if ($paramFetcher->get('order_by')) {
                    $order_by = $paramFetcher->get('order_by');
                    $orderBy = array();
                    foreach ($order_by as $field => $order) {
                        $orderBy[$field] = $order;
                    }
                    $criteria->orderBy($orderBy);
                }

                $repo = $em->getRepository($this->getRepository());
                $entities = $repo->matching($criteria)->toArray();

                if ($entities) {
                    return $entities;
                }

            } catch (\Exception $e) {
                return FOSView::create($e->getMessage(), Codes::HTTP_INTERNAL_SERVER_ERROR);
            }

        } else {
            try {
                $offset = $paramFetcher->get('offset');
                $limit = $paramFetcher->get('limit');
                $order_by = $paramFetcher->get('order_by');
                $entities = $em->getRepository($this->getRepository())->findBy($filters, $order_by, $limit, $offset);

                if ($entities) {
                    return $entities;
                }

            } catch (\Exception $e) {
                return FOSView::create($e->getMessage(), Codes::HTTP_INTERNAL_SERVER_ERROR);
            }

        }

        return array();
    }

}