<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\BudgetBundle\Templating;

use Chill\BudgetBundle\Config\ConfigRepository;
use Chill\MainBundle\Templating\TranslatableStringHelper;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use UnexpectedValueException;

class Twig extends AbstractExtension
{
    /**
     * @var ConfigRepository
     */
    protected $configRepository;

    /**
     * @var TranslatableStringHelper
     */
    protected $translatableStringHelper;

    public function __construct(
        ConfigRepository $configRepository,
        TranslatableStringHelper $translatableStringHelper
    ) {
        $this->configRepository = $configRepository;
        $this->translatableStringHelper = $translatableStringHelper;
    }

    public function displayLink($link, $family)
    {
        switch ($family) {
            case 'resource':
                return $this->translatableStringHelper->localize(
                    $this->configRepository->getResourcesLabels()[$link]
                );

            case 'charge':
                return $this->translatableStringHelper->localize(
                    $this->configRepository->getChargesLabels()[$link]
                );

            default:
                throw new UnexpectedValueException("This family of element: {$family} is not "
                    . "supported. Supported families are 'resource', 'charge'");
        }
    }

    public function getFilters()
    {
        return [
            new TwigFilter('budget_element_type_display', [$this, 'displayLink'], ['is_safe' => ['html']]),
        ];
    }
}