<?php

declare(strict_types=1);

namespace DoctrineMigrations;

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

final class Version20260210123000 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Backfill employee display_order per site';
    }

    public function up(Schema $schema): void
    {
        // Initialise display_order par site selon le tri nom/prénom/id.
        $this->addSql('
            UPDATE employees e
            SET display_order = ranked.rn
            FROM (
                SELECT id,
                       ROW_NUMBER() OVER (
                           PARTITION BY site_id
                           ORDER BY last_name ASC, first_name ASC, id ASC
                       ) AS rn
                FROM employees
            ) ranked
            WHERE ranked.id = e.id
        ');
    }

    public function down(Schema $schema): void
    {
        // Pas de rollback pertinent.
    }
}