<?php

namespace App\DependencyInjection;

use App\Pdo\PdoRequest;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

class PdoConfiguration implements ConfigurationInterface
{
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder('pdo');
        $treeBuilder->getRootNode()->children()
            ->scalarNode(PdoRequest::COLUMN_LOGIN_NAME)->isRequired()->cannotBeEmpty()->end()
            ->scalarNode(PdoRequest::COLUMN_PASSWORD_NAME)->isRequired()->cannotBeEmpty()->end()
            ->scalarNode(PdoRequest::TABLE_NAME)->isRequired()->cannotBeEmpty()->end()
            ->arrayNode(PdoRequest::DATA_TO_FETCH)
                ->scalarPrototype()->end()
            ->end()
        ->end();

        return $treeBuilder;
    }
}