<?php

/**
 * @Author: Michał Kurzeja, Accesto
 * User: michal
 * Date: 24.09.13
 * Time: 10:18
 */
namespace Gregwar\ImageBundle\DependencyInjection;

use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

class Configuration implements ConfigurationInterface
{
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder('gregwar_image');
        $rootNode = method_exists(TreeBuilder::class, 'getRootNode') ? 
            $treeBuilder->getRootNode() : $treeBuilder->root('gregwar_image');

        $rootNode
            ->children()
            ->scalarNode('cache_dir')->defaultValue('cache')->end()
            ->scalarNode('cache_dir_mode')->defaultNull()->example('0755')->end()
            ->booleanNode('throw_exception')->defaultFalse()->end()
            ->scalarNode('fallback_image')->defaultNull()->end()
            ->scalarNode('web_dir')->defaultValue('%kernel.root_dir%/../web')->end()
            ->end()
            ;

        return $treeBuilder;
    }
}