<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Bundle\MonologBundle\DependencyInjection;

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

use Symfony\Component\Config\Definition\ConfigurationInterface;

/**

 * This class contains the configuration information for the bundle

 *

 * This information is solely responsible for how the different configuration

 * sections are normalized, and merged.

 *

 * @author Jordi Boggiano <j.boggiano@seld.be>

 * @author Christophe Coevoet <stof@notk.org>

 */

class Configuration implements ConfigurationInterface

{

    /**

     * Generates the configuration tree builder.

     *

     * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder

     */

    public function getConfigTreeBuilder()

    {

        $treeBuilder = new TreeBuilder();

        $rootNode = $treeBuilder->root('monolog');

        $rootNode

            ->fixXmlConfig('handler')

            ->children()

                ->arrayNode('handlers')

                    ->canBeUnset()

                    ->useAttributeAsKey('name')

                    ->prototype('array')

                        ->fixXmlConfig('member')

                        ->canBeUnset()

                        ->children()

                            ->scalarNode('type')

                                ->isRequired()

                                ->treatNullLike('null')

                                ->beforeNormalization()

                                    ->always()

                                    ->then(function($v) { return strtolower($v); })

                                ->end()

                            ->end()

                            ->scalarNode('id')->end()

                            ->scalarNode('priority')->defaultValue(0)->end()

                            ->scalarNode('level')->defaultValue('DEBUG')->end()

                            ->booleanNode('bubble')->defaultTrue()->end()

                            ->scalarNode('path')->defaultValue('%kernel.logs_dir%/%kernel.environment%.log')->end() // stream and rotating

                            ->scalarNode('ident')->defaultFalse()->end() // syslog

                            ->scalarNode('facility')->defaultValue('user')->end() // syslog

                            ->scalarNode('max_files')->defaultValue(0)->end() // rotating

                            ->scalarNode('action_level')->defaultValue('WARNING')->end() // fingers_crossed

                            ->booleanNode('stop_buffering')->defaultTrue()->end()// fingers_crossed

                            ->scalarNode('buffer_size')->defaultValue(0)->end() // fingers_crossed and buffer

                            ->scalarNode('handler')->end() // fingers_crossed and buffer

                            ->arrayNode('members') // group

                                ->canBeUnset()

                                ->performNoDeepMerging()

                                ->prototype('scalar')->end()

                            ->end()

                            ->scalarNode('from_email')->end() // swift_mailer and native_mailer

                            ->scalarNode('to_email')->end() // swift_mailer and native_mailer

                            ->scalarNode('subject')->end() // swift_mailer and native_mailer

                            ->arrayNode('email_prototype') // swift_mailer

                                ->canBeUnset()

                                ->beforeNormalization()

                                    ->ifString()

                                    ->then(function($v) { return array('id' => $v); })

                                ->end()

                                ->children()

                                    ->scalarNode('id')->isRequired()->end()

                                    ->scalarNode('factory-method')->defaultNull()->end()

                                ->end()

                            ->end()

                            ->scalarNode('formatter')->end()

                        ->end()

                        ->validate()

                            ->ifTrue(function($v) { return ('fingers_crossed' === $v['type'] || 'buffer' === $v['type']) && 1 !== count($v['handler']); })

                            ->thenInvalid('The handler has to be specified to use a FingersCrossedHandler or BufferHandler')

                        ->end()

                        ->validate()

                            ->ifTrue(function($v) { return 'swift_mailer' === $v['type'] && empty($v['email_prototype']) && (empty($v['from_email']) || empty($v['to_email']) || empty($v['subject'])); })

                            ->thenInvalid('The sender, recipient and subject or an email prototype have to be specified to use a SwiftMailerHandler')

                        ->end()

                        ->validate()

                            ->ifTrue(function($v) { return 'native_mailer' === $v['type'] && (empty($v['from_email']) || empty($v['to_email']) || empty($v['subject'])); })

                            ->thenInvalid('The sender, recipient and subject have to be specified to use a NativeMailerHandler')

                        ->end()

                        ->validate()

                            ->ifTrue(function($v) { return 'service' === $v['type'] && !isset($v['id']); })

                            ->thenInvalid('The id has to be specified to use a service as handler')

                        ->end()

                    ->end()

                    ->validate()

                        ->ifTrue(function($v) { return isset($v['debug']); })

                        ->thenInvalid('The "debug" name cannot be used as it is reserved for the handler of the profiler')

                    ->end()

                ->end()

            ->end()

        ;

        return $treeBuilder;

    }

}