<?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\Migrations\DocStore;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;

final class Version20241118151618 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Force no duplicated object_id within person_document and accompanyingcourse_document';
    }

    public function up(Schema $schema): void
    {
        $this->addSql(<<<'SQL'
        WITH ranked AS (
            SELECT id, rank() OVER (PARTITION BY object_id ORDER BY id ASC) FROM chill_doc.accompanyingcourse_document
        )
        DELETE FROM chill_doc.accompanyingcourse_document WHERE id IN (SELECT id FROM ranked where "rank" <> 1)
        SQL);
        $this->addSql('CREATE UNIQUE INDEX acc_course_document_unique_stored_object ON chill_doc.accompanyingcourse_document (object_id)');
        $this->addSql('CREATE UNIQUE INDEX person_document_unique_stored_object ON chill_doc.person_document (object_id)');
    }

    public function down(Schema $schema): void
    {
        $this->addSql('DROP INDEX acc_course_document_unique_stored_object');
        $this->addSql('DROP INDEX person_document_unique_stored_object');
    }
}