<?php

declare(strict_types=1);

namespace Mummert\SurveyBundle\QuestionType;

use Mummert\SurveyBundle\Model\SurveyContentModel;
use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Validator\Constraints\Choice;
use Symfony\Component\Validator\Constraints\NotBlank;

final class YesNoMaybeQuestionType implements QuestionTypeInterface
{
    public function getName(): string
    {
        return 'yes_no_maybe';
    }

    public function getConstraints(SurveyContentModel $question): array
    {
        $choices = ['yes', 'no'];

        if ('1' === (string) $question->allowMaybe) {
            $choices[] = 'maybe';
        }

        $constraints = [new Choice(['choices' => $choices])];

        if ('1' === (string) $question->mandatory) {
            $constraints[] = new NotBlank();
        }

        return $constraints;
    }

    public function buildField(FormBuilderInterface $builder, SurveyContentModel $question, string $fieldName = 'answer'): void
    {
        $choices = [
            'Ja' => 'yes',
            'Nein' => 'no',
        ];

        if ('1' === (string) $question->allowMaybe) {
            $choices['Vielleicht'] = 'maybe';
        }

        $builder->add($fieldName, ChoiceType::class, [
            'label' => false,
            'expanded' => true,
            'multiple' => false,
            'choices' => $choices,
            'constraints' => $this->getConstraints($question),
        ]);
    }

    public function normalizeAnswer(mixed $value, SurveyContentModel $question): string
    {
        return mb_strtolower(trim((string) $value));
    }
}