<?php

namespace App\Controller;

use App\Entity\Review;

use Doctrine\ORM\Query;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;

use DateTime;

use Catalyst\MenuBundle\Annotation\Menu;

class ReviewController extends Controller
{
    /**
     * @Menu(selected="review_list")
     */
    public function index()
    {
        $this->denyAccessUnlessGranted('review.list', null, 'No access.');

        return $this->render('review/list.html.twig');
    }

    public function rows(Request $req)
    {
        $this->denyAccessUnlessGranted('review.list', null, 'No access.');

        // get query builder
        $qb = $this->getDoctrine()
                ->getRepository(Review::class)
                ->createQueryBuilder('q');

        // get datatable params
        $datatable = $req->request->get('datatable');

        // count total records
        $tquery = $qb->select('COUNT(q)');
        $this->setQueryFilters($datatable, $tquery);
        $total = $tquery->getQuery()
            ->getSingleScalarResult();

        // get current page number
        $page = $datatable['pagination']['page'] ?? 1;

        $perpage = $datatable['pagination']['perpage'];
        $offset = ($page - 1) * $perpage;

        // add metadata
        $meta = [
            'page' => $page,
            'perpage' => $perpage,
            'pages' => ceil($total / $perpage),
            'total' => $total,
            'sort' => 'asc',
            'field' => 'id'
        ];

        // build query
        $query = $qb->select('q');
        $this->setQueryFilters($datatable, $query);

        // check if sorting is present, otherwise use default
        if (isset($datatable['sort']['field']) && !empty($datatable['sort']['field'])) {
            $order = $datatable['sort']['sort'] ?? 'asc';
            $query->orderBy('q.' . $datatable['sort']['field'], $order);
        } else {
            $query->orderBy('q.id', 'asc');
        }

        // get rows for this page
        $obj_rows = $query->setFirstResult($offset)
            ->setMaxResults($perpage)
            ->getQuery()
            ->getResult();

        // process rows
        $rows = [];
        foreach ($obj_rows as $orow)
        {
            // add row data
            $row['id'] = $orow->getID();
            $row['partner'] = $orow->getPartner()->getName();
            $row['rating'] = $orow->getRating();
            $row['message'] = $orow->getMessage();
            $row['mobile_number'] = $orow->getMobileSession()->getPhoneNumber();

            // add row metadata
            $row['meta'] = [
                'view_url' => '',
                'delete_url' => ''
            ];

            // add view and delete urls
            if ($this->isGranted('review.view'))
                $row['meta']['view_url'] = $this->generateUrl('review_view_form', ['id' => $row['id']]);
            if ($this->isGranted('review.delete'))
                $row['meta']['delete_url'] = $this->generateUrl('review_delete', ['id' => $row['id']]);

            $rows[] = $row;
        }

        // response
        return $this->json([
            'meta' => $meta,
            'data' => $rows
        ]);
    }

    /**
     * @Menu(selected="review_list")
     */
    public function openViewForm($id)
    {
        $this->denyAccessUnlessGranted('review.view', null, 'No access.');

        // get row data
        $em = $this->getDoctrine()->getManager();
        $obj = $em->getRepository(Review::class)->find($id);

        // make sure this row exists
        if (empty($obj))
            throw $this->createNotFoundException('The item does not exist');

        $params = [];
        $params['obj'] = $obj;

        // response
        return $this->render('review/form.html.twig', $params);
    }

    public function destroy($id)
    {
        $this->denyAccessUnlessGranted('review.delete', null, 'No access.');

        // get object data
        $em = $this->getDoctrine()->getManager();
        $obj = $em->getRepository(Review::class)->find($id);

        if (empty($obj))
            throw $this->createNotFoundException('The item does not exist');

        // delete this object
        $em->remove($obj);
        $em->flush();

        // response
        $response = new Response();
        $response->setStatusCode(Response::HTTP_OK);
        $response->send();
    }


    protected function setQueryFilters($datatable, QueryBuilder $query)
    {
        // TODO: Improve search query
        if (isset($datatable['query']['data-rows-search']) && !empty($datatable['query']['data-rows-search'])) {
            $query->where('q.message LIKE :filter')
                ->setParameter('filter', '%' . $datatable['query']['data-rows-search'] . '%');
        }
    }


}