<?php
/*
 * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
 *
 *  Copyright (C) 2019 - 2024 Jan Böhmer (https://github.com/jbtronics)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published
 *  by the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);


namespace App\Form\Type;

use App\Form\Type\Helper\ExponentialNumberTransformer;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\NumberType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * Similar to the NumberType, but formats small values in scienfitic notation instead of rounding it to 0, like NumberType
 */
class ExponentialNumberType extends AbstractType
{
    public function getParent(): string
    {
        return NumberType::class;
    }

    public function configureOptions(OptionsResolver $resolver): void
    {
        $resolver->setDefaults([
            //We want to allow the full precision of the number, so disable rounding
            'scale' => null,
        ]);
    }

    public function buildForm(FormBuilderInterface $builder, array $options): void
    {
        $builder->resetViewTransformers();

        $builder->addViewTransformer(new ExponentialNumberTransformer(
            $options['scale'],
            $options['grouping'],
            $options['rounding_mode'],
            $options['html5'] ? 'en' : null
        ));
    }
}