<?php
declare(strict_types=1);

namespace App\Form;

use App\Enum\LabelType;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\EnumType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Validator\Constraints\Callback;
use Symfony\Component\Validator\Constraints\Length;
use Symfony\Component\Validator\Constraints\NotBlank;
use Symfony\Component\Validator\Context\ExecutionContextInterface;

/**
 * @extends AbstractType<array{type: LabelType, label: string}>
 */
class AddLabelType extends AbstractType {
	public function buildForm(FormBuilderInterface $builder, array $options): void {
		$builder
			->add('type', EnumType::class, [
				'class' => LabelType::class,
				'label' => 'label_type_header',
				'choice_label' => static fn(LabelType $type): string => 'label_type_' . $type->value,
			])
			->add('label', TextType::class, [
				'label' => 'label_header',
				'constraints' => [new NotBlank(), new Length(max: 255)],
			])
			->add('save', SubmitType::class, ['label' => 'label_action_add']);
	}

	public function configureOptions(OptionsResolver $resolver): void {
		$resolver->setDefaults([
			'constraints' => [new Callback(self::validateFormat(...))],
		]);
	}

	/**
	 * @param array{type: ?LabelType, label: ?string} $data
	 */
	public static function validateFormat(array $data, ExecutionContextInterface $context): void {
		$type = $data['type'];

		if ($type !== null && !$type->isValid($type->normalize((string)$data['label']))) {
			$context->buildViolation('label_invalid_number')->setTranslationDomain('messages')->atPath('[label]')->addViolation();
		}
	}
}