<?php

namespace App\Repository\Link;

use App\Entity\Campaign;
use App\Entity\Content;
use App\Entity\Link;
use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
use Doctrine\Common\Collections\Criteria;
use Symfony\Bridge\Doctrine\RegistryInterface;

final class DoctrineLinkRepository extends ServiceEntityRepository implements LinkRepositoryInterface
{
    public function __construct(RegistryInterface $registry)
    {
        parent::__construct($registry, Link::class);
    }

    public function findById(int $id): ?Link
    {
        return $this->findOneBy(['id' => $id]);
    }

    /**
     * @param Link $link
     *
     * @throws \Doctrine\ORM\ORMException
     * @throws \Doctrine\ORM\OptimisticLockException
     */
    public function save(Link $link): void
    {
        $this->_em->persist($link);
        $this->_em->flush();
    }

    /**
     * @param Link $link
     *
     * @throws \Doctrine\ORM\ORMException
     * @throws \Doctrine\ORM\OptimisticLockException
     */
    public function delete(Link $link): void
    {
        $this->_em->remove($link);
        $this->_em->flush();
    }

    public function findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null)
    {
        return $this->queryByGrid($criteria, $orderBy, $limit, $offset);
    }

    public function count(array $criteria, array $orderBy = null, $limit = null, $offset = null)
    {
        $result = $this->queryByGrid($criteria);

        return count($result);
    }

    /**
     * @param array|null $orderBy
     * @param int|null $limit
     * @param int|null $offset
     */
    private function queryByGrid(array $criteria, ?array $orderBy = null, ?int $limit = null, ?int $offset = null): array
    {
        $newCriteria = $this->getCriteria($criteria, $orderBy, $limit, $offset);

        $queryBuilder = $this->createQueryBuilder('link');

        if (array_key_exists('campaign', $criteria)) {
            $queryBuilder
                ->innerJoin(Content::class, 'co', 'WITH', 'link.content = co.id')
                ->innerJoin(Campaign::class, 'ca', 'WITH', 'co.campaign = ca.id');
            $newCriteria->andWhere(Criteria::expr()->in('ca.id', $criteria['campaign']));
        }

        if (array_key_exists('failedAt', $criteria)) {
            $queryBuilder
                ->innerJoin('link.failCheck', 'failCheck');

            $newCriteria->andWhere(Criteria::expr()->gte('failCheck.createdAt', $criteria['failedAt'][0]));
            $newCriteria->andWhere(Criteria::expr()->lte('failCheck.createdAt', $criteria['failedAt'][1]));
        }

        $queryBuilder->addCriteria($newCriteria);

        $query = $queryBuilder->getQuery();

        return $query->getResult();
    }

    public function findAll()
    {
        return $this->findBy([], ['createdAt' => 'DESC']);
    }

    /**
     * @param array $criteria
     * @param $orderBy
     * @param $limit
     * @param $offset
     * @param array|null $orderBy
     * @param int|null $limit
     * @param int|null $offset
     *
     */
    private function getCriteria(array $criteria, ?array $orderBy, ?int $limit, ?int $offset): Criteria
    {
        $newCriteria = Criteria::create()
            ->setFirstResult($offset)
            ->setMaxResults($limit);

        if ($orderBy) {
            $newCriteria->orderBy($orderBy);
        }

        if (array_key_exists('q', $criteria)) {
            $newCriteria->where(Criteria::expr()->contains('url', $criteria['q']));
        }

        if (array_key_exists('content', $criteria)) {
            $newCriteria->andWhere(Criteria::expr()->in('content', $criteria['content']));
        }

        if (array_key_exists('status', $criteria)) {
            $newCriteria->andWhere(Criteria::expr()->in('status', $criteria['status']));
        }

        if (array_key_exists('prospect', $criteria)) {
            $newCriteria->andWhere(Criteria::expr()->in('prospect', $criteria['prospect']));
        }

        if (array_key_exists('ip', $criteria)) {
            $newCriteria->andWhere(Criteria::expr()->in('ipFrom', $criteria['ip']));
            $newCriteria->orWhere(Criteria::expr()->in('ipTo', $criteria['ip']));
        }

        if (array_key_exists('createdAt', $criteria)) {
            $newCriteria->andWhere(Criteria::expr()->gte('createdAt', $criteria['createdAt'][0]));
            $newCriteria->andWhere(Criteria::expr()->lte('createdAt', $criteria['createdAt'][1]));
        }

        return $newCriteria;
    }

    /**
     * @return string|null
     */
    public function getFirstCreatedAt(): ?string
    {
        try {
            return $this->createQueryBuilder('link')
                ->select('link.createdAt')
                ->orderBy('link.createdAt', 'asc')
                ->setMaxResults(1)
                ->getQuery()
                ->getSingleScalarResult();
        } catch (\Exception $exception) {
            return null;
        }
    }
}