<?php

/*
 * @copyright   2014 Mautic Contributors. All rights reserved
 * @author      Mautic
 *
 * @link        http://mautic.org
 *
 * @license     GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */

namespace Mautic\CategoryBundle\Entity;

use Doctrine\ORM\Tools\Pagination\Paginator;
use Mautic\CoreBundle\Entity\CommonRepository;

/**
 * Class CategoryRepository.
 */
class CategoryRepository extends CommonRepository
{
    /**
     * Get a list of entities.
     *
     * @param array $args
     *
     * @return Paginator
     */
    public function getEntities(array $args = [])
    {
        $q = $this
            ->createQueryBuilder('c')
            ->select('c');

        $args['qb'] = $q;

        return parent::getEntities($args);
    }

    /**
     * @param        $bundle
     * @param string $search
     * @param int    $limit
     * @param int    $start
     *
     * @return array
     */
    public function getCategoryList($bundle, $search = '', $limit = 10, $start = 0, $includeGlobal = true)
    {
        $q = $this->createQueryBuilder('c');
        $q->select('partial c.{id, title, alias, color, bundle}');

        $q->where('c.isPublished = :true')
            ->setParameter('true', true, 'boolean');

        $expr = $q->expr()->orX(
            $q->expr()->eq('c.bundle', ':bundle')
        );

        if ($includeGlobal && 'global' !== $bundle) {
            $expr->add(
                $q->expr()->eq('c.bundle', $q->expr()->literal('global'))
            );
        }

        $q->andWhere($expr)
          ->setParameter('bundle', $bundle);

        if (!empty($search)) {
            $q->andWhere($q->expr()->like('c.title', ':search'))
                ->setParameter('search', "{$search}%");
        }

        $q->orderBy('c.title');

        if (!empty($limit)) {
            $q->setFirstResult($start)
                ->setMaxResults($limit);
        }

        $results = $q->getQuery()->getArrayResult();

        return $results;
    }

    /**
     * @param \Doctrine\ORM\QueryBuilder|\Doctrine\DBAL\Query\QueryBuilder $q
     * @param                                                              $filter
     *
     * @return array
     */
    protected function addCatchAllWhereClause($q, $filter)
    {
        return $this->addStandardCatchAllWhereClause($q, $filter, [
            'c.title',
            'c.description',
        ]);
    }

    /**
     * @param \Doctrine\ORM\QueryBuilder|\Doctrine\DBAL\Query\QueryBuilder $q
     * @param                                                              $filter
     *
     * @return array
     */
    protected function addSearchCommandWhereClause($q, $filter)
    {
        $command                 = $field                 = $filter->command;
        $unique                  = $this->generateRandomParameterName();
        list($expr, $parameters) = parent::addSearchCommandWhereClause($q, $filter);

        switch ($command) {
            case $this->translator->trans('mautic.core.searchcommand.ispublished'):
            case $this->translator->trans('mautic.core.searchcommand.ispublished', [], null, 'en_US'):
                $expr                = $q->expr()->eq('c.isPublished', ":$unique");
                $parameters[$unique] = true;
                break;
            case $this->translator->trans('mautic.core.searchcommand.isunpublished'):
            case $this->translator->trans('mautic.core.searchcommand.isunpublished', [], null, 'en_US'):
                $expr                = $q->expr()->eq('c.isPublished', ":$unique");
                $parameters[$unique] = false;
                break;
        }

        if ($expr && $filter->not) {
            $expr = $q->expr()->not($expr);
        }

        return [
            $expr,
            $parameters,
        ];
    }

    /**
     * @return array
     */
    public function getSearchCommands()
    {
        $commands = [
            'mautic.core.searchcommand.ispublished',
            'mautic.core.searchcommand.isunpublished',
        ];

        return array_merge($commands, parent::getSearchCommands());
    }

    /**
     * @return string
     */
    protected function getDefaultOrder()
    {
        return [
            ['c.title', 'ASC'],
        ];
    }

    /**
     * @param string $bundle
     * @param string $alias
     * @param object $entity
     *
     * @return mixed
     */
    public function checkUniqueCategoryAlias($bundle, $alias, $entity = null)
    {
        $q = $this->createQueryBuilder('e')
            ->select('count(e.id) as aliascount')
            ->where('e.alias = :alias')
            ->andWhere('e.bundle = :bundle')
            ->setParameter('alias', $alias)
            ->setParameter('bundle', $bundle);

        if (!empty($entity) && $entity->getId()) {
            $q->andWhere('e.id != :id');
            $q->setParameter('id', $entity->getId());
        }

        $results = $q->getQuery()->getSingleResult();

        return $results['aliascount'];
    }

    /**
     * {@inheritdoc}
     */
    public function getTableAlias()
    {
        return 'c';
    }
}
