<?php

namespace Trinity\Bundle\VarsEditorBundle\Twig\Extension;

use Symfony\Component\DependencyInjection\Container;

class GlobalVarsExtension extends \Twig_Extension
{
    protected $container;

    public function __construct(Container $container)
    {
        $this->container = $container;
    }

    public function getFunctions()
    {
        return array(
            'global_var' => new \Twig_Function_Method($this, 'getGlobalVarValue'),
            'get_var'    => new \Twig_Function_Method($this, 'getGlobalVarValue'),
        );
    }

    public function getGlobalVarValue($key, $default = null, $locale = null)
    {
        return $this->container->get('global_vars')->get($key, $default, $locale);
    }

    public function getName()
    {
        return 'global_var_extension';
    }
}