<?php

namespace App\Modules\CustomField\Actions;

use App\Modules\CustomField\Models\CustomFieldDefinition;
use Illuminate\Support\Facades\DB;

final class ReorderCustomFieldDefinitionsAction
{
    /**
     * Reassign sort_order to match the given ordered list of ids,
     * normalizing positions to a contiguous 0..n-1 sequence.
     *
     * @param  array<int, int>  $ids
     */
    public function handle(array $ids): void
    {
        DB::transaction(function () use ($ids) {
            foreach (array_values($ids) as $index => $id) {
                CustomFieldDefinition::where('id', $id)->update(['sort_order' => $index]);
            }
        });
    }
}