<?php

declare(strict_types=1);

namespace FrontBundle\Component\CMS\Twig;

use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Twig\TwigFunction;

class ConfigurableExtension extends AbstractExtension
{
    /**
     * @var string[]
     */
    private $globals;

    /**
     * @var callable[]
     */
    private $filters;

    /**
     * @var callable[]
     */
    private $functions;

    public function __construct(array $globals, iterable $filters, iterable $functions)
    {
        $this->globals = $globals;
        $this->filters = $filters;
        $this->functions = $functions;
    }

    public function getGlobals()
    {
        return $this->globals;
    }

    public function getFilters(): array
    {
        $arr = [];
        foreach ($this->filters as $name => $callable) {
            if (isset($callable['callable'])) {
                $arr[] = new TwigFilter($name, $callable['callable'], $callable['options'] ?? []);
            } else {
                $arr[] = new TwigFilter($name, $callable);
            }
        }

        return $arr;
    }

    public function getFunctions(): array
    {
        $arr = [];
        foreach ($this->functions as $name => $callable) {
            if (isset($callable['callable'])) {
                $arr[] = new TwigFunction($name, $callable['callable'], $callable['options'] ?? []);
            } else {
                $arr[] = new TwigFunction($name, $callable);
            }
        }

        return $arr;
    }
}