<?php declare(strict_types=1);
/*
 * Copyright (C) 2016-2017 IRSTEA
 * All rights reserved.
 */

namespace Irstea\PlantUmlBundle\DependencyInjection;

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

/**
 * Description of Configuration.
 */
class Configuration implements ConfigurationInterface
{
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();

        $treeBuilder->root('irstea_plant_uml')
            ->children()
                ->arrayNode('output')
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->scalarNode('directory')
                            ->info('Répertoire dans lequel écrire les fichiers.')
                            ->defaultValue('%kernel.root_dir%/Resources/doc')
                        ->end()
                        ->enumNode('format')
                            ->info('Format de sortie (cf. PlantUML).')
                            ->defaultValue('svg')
                            ->values(['png', 'svg', 'eps', 'pdf', 'vdx', 'html', 'xmi', 'txt', 'utxt'])
                        ->end()
                    ->end()
                ->end()
                ->arrayNode('binaries')
                    ->info("Chemins vers les fichiers binaires, s'ils en sont pas dans PATH.")
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->scalarNode('java')
                            ->info("Commande 'java'")
                            ->defaultValue('java')
                        ->end()
                        ->scalarNode('plamtuml_jar')
                            ->info('Archive du logiciel PlantUML')
                            ->defaultValue(__DIR__ . '/../vendor/plantuml/plantuml.jar')
                        ->end()
                        ->scalarNode('dot')
                            ->info("Commande 'dot' du package 'graphviz'")
                            ->defaultValue('dot')
                        ->end()
                    ->end()
                ->end()
                ->append($this->buildGraphNode())
            ->end();

        return $treeBuilder;
    }

    protected function buildGraphNode()
    {
        $node = (new TreeBuilder())->root('graphs');

        $decorators = ['inheritance', 'traits', 'interfaces', 'entity', 'associations', 'methods', 'fields', 'attributes'];

        $node
            ->info('Graphes.')
            ->useAttributeAsKey('name')
            ->prototype('array')
                ->info("description d'un graphe à générer.")
                ->children()
                    ->arrayNode('sources')
                        ->info('Sélection des classes à examiner.')
                        ->addDefaultsIfNotSet()
                        ->children()
                            ->enumNode('type')
                                ->info('Source de la liste de classes.')
                                ->defaultValue('classes')
                                ->values(['classes', 'entities'])
                            ->end()
                            ->scalarNode('entity_manager')
                                ->info('Entity Manager à utiliser pour les entités.')
                                ->defaultValue('default')
                            ->end()
                            ->arrayNode('directories')
                                ->info('Répertoires contenant les sources.')
                                ->defaultValue(['%kernel.root_dir%/../src'])
                                ->prototype('scalar')->end()
                            ->end()
                            ->append($this->buildFilterNode('include', 'à inclure'))
                            ->append($this->buildFilterNode('exclude', 'à ignorer'))
                        ->end()
                    ->end()
                    ->arrayNode('layout')
                        ->info('Configuration de la disposition et du parcours.')
                        ->addDefaultsIfNotSet()
                        ->children()
                            ->enumNode('namespaces')
                                ->info('Types .')
                                ->defaultValue('php')
                                ->values(['bundles', 'php', 'flat', 'entities'])
                            ->end()
                            ->append($this->buildFilterNode('include', 'à tracer'))
                            ->append($this->buildFilterNode('exclude', 'à ne pas tracer'))
                         ->end()
                    ->end()
                    ->arrayNode('decoration')
                        ->info('Informations à afficher sur les classes.')
                        ->addDefaultsIfNotSet()
                        ->children()
                            ->arrayNode('decorators')
                                ->info('Liste des décorateurs à utiliser.')
                                ->defaultValue($decorators)
                                ->prototype('enum')
                                    ->values($decorators)
                                ->end()
                            ->end()
                            ->append($this->buildFilterNode('include', 'à décorer'))
                            ->append($this->buildFilterNode('exclude', 'à ne pas décorer'))
                        ->end()
                    ->end()
                ->end()
            ->end();

        return $node;
    }

    protected function buildFilterNode($nodeName, $description)
    {
        $node = (new TreeBuilder())->root($nodeName);

        $node
            ->children()
                ->arrayNode('directories')
                    ->info("Répertoires $description")
                    ->prototype('scalar')->end()
                ->end()
                ->arrayNode('namespaces')
                     ->info("Namespaces $description")
                    ->prototype('scalar')->end()
                ->end()
                ->arrayNode('classes')
                     ->info("Classes $description")
                    ->prototype('scalar')->end()
                ->end()
            ->end();

        return $node;
    }
}