<?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\PersonBundle\Export\Aggregator\AccompanyingCourseAggregators;

use Chill\MainBundle\Export\AggregatorInterface;
use Chill\MainBundle\Export\DataTransformerInterface;
use Chill\MainBundle\Form\Type\PickRollingDateType;
use Chill\MainBundle\Repository\CenterRepositoryInterface;
use Chill\MainBundle\Service\RollingDate\RollingDate;
use Chill\MainBundle\Service\RollingDate\RollingDateConverterInterface;
use Chill\PersonBundle\Export\Declarations;
use Doctrine\ORM\Query\Expr\Join;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\Form\FormBuilderInterface;

final readonly class ReferrerMainCenterAggregator implements AggregatorInterface, DataTransformerInterface
{
    private const P = 'acp_agg_referrer_main_center';

    public function __construct(
        private CenterRepositoryInterface $centerRepository,
        private RollingDateConverterInterface $rollingDateConverter,
    ) {}

    public function addRole(): ?string
    {
        return null;
    }

    public function alterQuery(QueryBuilder $qb, $data, \Chill\MainBundle\Export\ExportGenerationContext $exportGenerationContext): void
    {
        $p = self::P;

        $qb
            ->leftJoin('acp.userHistories', "{$p}_uh", Join::WITH, $qb->expr()->andX(
                $qb->expr()->eq("{$p}_uh.accompanyingPeriod", 'acp.id'),
                "OVERLAPSI (acp.openingDate, acp.closingDate), ({$p}_uh.startDate, {$p}_uh.endDate) = TRUE",
                "OVERLAPSI (:{$p}_startDate, :{$p}_endDate), ({$p}_uh.startDate, {$p}_uh.endDate) = TRUE"
            ))
            ->leftJoin("{$p}_uh.user", "{$p}_user")
            ->addSelect("IDENTITY({$p}_user.mainCenter) AS {$p}_select")
            ->addGroupBy("{$p}_select")
            ->setParameter("{$p}_startDate", $this->rollingDateConverter->convert($data['start_date']))
            ->setParameter("{$p}_endDate", $this->rollingDateConverter->convert($data['end_date']));
    }

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

    public function buildForm(FormBuilderInterface $builder): void
    {
        $builder
            ->add('start_date', PickRollingDateType::class, [
                'label' => 'common.after',
                'required' => true,
            ])
            ->add('end_date', PickRollingDateType::class, [
                'label' => 'common.until',
                'required' => true,
            ]);
    }

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

    public function normalizeFormData(array $formData): array
    {
        return [
            'start_date' => $formData['start_date']->normalize(),
            'end_date' => $formData['end_date']->normalize(),
        ];
    }

    public function denormalizeFormData(array $formData, int $fromVersion): array
    {
        $default = $this->getFormDefaultData();

        return [
            'start_date' => array_key_exists('start_date', $formData) ? RollingDate::fromNormalized($formData['start_date']) : $default['start_date'],
            'end_date' => array_key_exists('end_date', $formData) ? RollingDate::fromNormalized($formData['end_date']) : $default['end_date'],
        ];
    }

    public function getFormDefaultData(): array
    {
        return [
            'start_date' => new RollingDate(RollingDate::T_YEAR_CURRENT_START),
            'end_date' => new RollingDate(RollingDate::T_TODAY),
        ];
    }

    public function transformData(?array $before): array
    {
        $default = $this->getFormDefaultData();

        if (null === $before) {
            return $default;
        }

        return [
            'start_date' => $before['start_date'] ?? $before['date_calc'] ?? $default['start_date'],
            'end_date' => $before['end_date'] ?? $before['date_calc'] ?? $default['end_date'],
        ];
    }

    public function getLabels($key, array $values, $data): callable
    {
        return function ($value): string {
            if ('_header' === $value) {
                return 'person.export.period.aggregator.by_referrer_main_center.column_header';
            }

            if (null === $value || '' === $value) {
                return '';
            }

            return (string) $this->centerRepository->find((int) $value)?->getName();
        };
    }

    public function getQueryKeys($data): array
    {
        return [self::P.'_select'];
    }

    public function getTitle(): string
    {
        return 'person.export.period.aggregator.by_referrer_main_center.title';
    }
}
