<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\AsideActivityBundle\Export\Aggregator;

use Chill\AsideActivityBundle\Export\Declarations;
use Chill\MainBundle\Export\AggregatorInterface;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\Form\FormBuilderInterface;

class ByConcernedPersonsCountAggregator implements AggregatorInterface
{
    public function addRole(): ?string
    {
        return null;
    }

    public function alterQuery(QueryBuilder $qb, $data, \Chill\MainBundle\Export\ExportGenerationContext $exportGenerationContext): void
    {
        $qb->addSelect('aside.concernedPersonsCount AS by_concerned_persons_count_aggregator')
            ->addGroupBy('by_concerned_persons_count_aggregator');
    }

    public function applyOn(): string
    {
        return Declarations::ASIDE_ACTIVITY_TYPE;
    }

    public function buildForm(FormBuilderInterface $builder): void
    {
        // No form needed
    }

    public function getNormalizationVersion(): int
    {
        return 1;
    }

    public function normalizeFormData(array $formData): array
    {
        return [];
    }

    public function denormalizeFormData(array $formData, int $fromVersion): array
    {
        return [];
    }

    public function getFormDefaultData(): array
    {
        return [];
    }

    public function getLabels($key, array $values, $data): callable
    {
        return function ($value): string {
            if ('_header' === $value) {
                return 'export.aggregator.Concerned persons count';
            }

            if (null === $value) {
                return 'export.aggregator.No concerned persons count specified';
            }

            return (string) $value;
        };
    }

    public function getQueryKeys($data): array
    {
        return ['by_concerned_persons_count_aggregator'];
    }

    public function getTitle(): string
    {
        return 'export.aggregator.Group by concerned persons count';
    }
}
