<?php
/**
 * Authserver, an OAuth2-based single-signon authentication provider written in PHP.
 *
 * Copyright (C) $today.date  Lars Vierbergen
 *
 * his program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace vierbergenlars\AuthserverOAuthAccountBundle\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('oauth');


        $rootNode->children()
            ->arrayNode('resource_owners')
            ->useAttributeAsKey('name')
            ->prototype('array')
                ->children()
                    ->arrayNode('config')
                        ->ignoreExtraKeys(false)
                    ->end()
                    ->scalarNode('service_name')->isRequired()->end()
                    ->scalarNode('icon')->defaultNull()->end()
                    ->arrayNode('login_button')
                    ->addDefaultsIfNotSet()
                        ->children()
                            ->scalarNode('label')->defaultNull()->end()
                            ->scalarNode('style')->defaultValue('default')->end()
                            ->scalarNode('icon')->defaultNull()->end()
                        ->end()
                    ->end()
                    ->arrayNode('connect_button')
                    ->addDefaultsIfNotSet()
                        ->children()
                            ->scalarNode('label')->defaultNull()->end()
                            ->scalarNode('style')->defaultValue('default')->end()
                            ->scalarNode('icon')->defaultNull()->end()
                        ->end()
                    ->end()
                ->end()
            ->end()
        ;


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