<?php

declare(strict_types=1);

namespace Mummert\SurveyBundle\QuestionType;

final class QuestionTypeRegistry
{
    /**
     * @var array<string, QuestionTypeInterface>
     */
    private array $questionTypes = [];

    public function __construct(iterable $questionTypes)
    {
        foreach ($questionTypes as $questionType) {
            if (!$questionType instanceof QuestionTypeInterface) {
                continue;
            }

            $this->questionTypes[$questionType->getName()] = $questionType;
        }
    }

    public function get(string $type): QuestionTypeInterface
    {
        if (!isset($this->questionTypes[$type])) {
            throw new \InvalidArgumentException(sprintf('Unbekannter Fragetyp "%s".', $type));
        }

        return $this->questionTypes[$type];
    }

    /**
     * @return array<string, string>
     */
    public function getChoices(): array
    {
        return [
            'Ja-Nein-Frage' => 'yes_no_maybe',
            'Offene Frage' => 'text',
            'Bewertungsfrage' => 'range',
            'Single/Multiple-Choice' => 'choice',
        ];
    }
}