<?php

/*
 * This file is part of the PrestaSitemapBundle package.
 *
 * (c) PrestaConcept <https://prestaconcept.net>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Presta\SitemapBundle\DependencyInjection;

use Presta\SitemapBundle\Sitemap\Url\UrlConcrete;
use Presta\SitemapBundle\Sitemap\XmlConstraint;
use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

/**
 * Bundle configuration structure.
 */
class Configuration implements ConfigurationInterface
{
    public const DEFAULT_FILENAME = 'sitemap';

    /**
     * @inheritDoc
     */
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('presta_sitemap');
        $rootNode = $treeBuilder->getRootNode();

        $rootNode
            ->children()
                ->scalarNode('generator')->defaultValue('presta_sitemap.generator_default')->end()
                ->scalarNode('dumper')->defaultValue('presta_sitemap.dumper_default')->end()
                ->integerNode('timetolive')
                    ->defaultValue(3600)
                ->end()
                ->scalarNode('sitemap_file_prefix')
                    ->defaultValue(self::DEFAULT_FILENAME)
                    ->info(
                        'Sets sitemap filename prefix defaults to "sitemap" -> sitemap.xml (for index);' .
                        ' sitemap.<section>.xml(.gz) (for sitemaps)'
                    )
                ->end()
                ->integerNode('items_by_set')
                    // Add one to the limit items value because it's an
                    // index value (not a quantity)
                    ->defaultValue(XmlConstraint::LIMIT_ITEMS + 1)
                    ->info('The maximum number of items allowed in single sitemap.')
                ->end()
                ->scalarNode('route_annotation_listener')->defaultTrue()->end()
                ->scalarNode('dump_directory')
                    ->info(
                        'The directory to which the sitemap will be dumped.' .
                        ' It can be either absolute, or relative (to the place where the command will be triggered).' .
                        ' Default to Symfony\'s public dir.'
                    )
                    ->defaultValue('%kernel.project_dir%/public')
                ->end()
                ->arrayNode('defaults')
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->scalarNode('priority')->defaultValue(0.5)->end()
                        ->scalarNode('changefreq')->defaultValue(UrlConcrete::CHANGEFREQ_DAILY)->end()
                        ->scalarNode('lastmod')->defaultValue('now')->end()
                    ->end()
                ->end()
                ->scalarNode('default_section')
                    ->defaultValue('default')
                    ->info('The default section in which static routes are registered.')
                ->end()
            ->end()
        ;

        $this->addAlternateSection($rootNode);

        return $treeBuilder;
    }

    private function addAlternateSection(ArrayNodeDefinition $rootNode): void
    {
        $rootNode
            ->children()
                ->arrayNode('alternate')
                    ->info(
                        'Automatically generate alternate (hreflang) urls with static routes.' .
                        ' Requires route_annotation_listener config to be enabled.'
                    )
                    ->canBeEnabled()
                    ->children()
                        ->scalarNode('default_locale')
                            ->defaultValue('en')
                            ->info('The default locale of your routes.')
                        ->end()
                        ->arrayNode('locales')
                            ->defaultValue(['en'])
                            ->beforeNormalization()
                            ->ifString()
                                ->then(
                                    function ($v) {
                                        return preg_split('/\s*,\s*/', $v);
                                    }
                                )
                            ->end()
                            ->prototype('scalar')->end()
                            ->info('List of supported locales of your routes.')
                        ->end()
                        ->enumNode('i18n')
                            ->defaultValue('symfony')
                            ->values(['symfony', 'jms'])
                            ->info('Strategy used to create your i18n routes.')
                        ->end()
                    ->end()
                ->end()
            ->end()
        ;
    }
}