<?php

namespace Jhg\NexmoBundle\DependencyInjection;

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

/**
 * This is the class that validates and merges configuration from your app/config files
 *
 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
 */
class Configuration implements ConfigurationInterface
{
    /**
     * {@inheritDoc}
     */
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('jhg_nexmo');

        // Here you should define the parameters that are allowed to
        // configure your bundle. See the documentation linked above for
        // more information on that topic.

        $rootNode
        	->children()
	        	->scalarNode('api_key')->end()
	        	->scalarNode('api_secret')->end()
	        	->scalarNode('from_name')->end()
	        	->booleanNode('disable_delivery')->end()
        	->end()
        ;
        
        return $treeBuilder;
    }
}