<?php

declare(strict_types=1);

namespace App\UI\Accessory;

use Latte\Extension;
use Nette\Localization\Translator;

final class LatteExtension extends Extension
{
    public function __construct(
        private readonly Translator $translator
    ) {
    }

    public function getFilters(): array
    {
        return [];
    }


    public function getFunctions(): array
    {
        return [
            'interests' => [$this, 'renderInterests'],
        ];
    }

    public function renderInterests(?string $interests): string
    {
        if ($interests === null) {
            return '';
        }

        $explodedInterests = explode(',', $interests);
        $rtVal = [];

        foreach ($explodedInterests as $interest) {
            $rtVal[] = $this->translator->translate('survey.interests.' . $interest);
        }

        return implode(',', $rtVal);
    }
}