<?php

/*
 * Copyright (C) 2015 IRSTEA
 * All rights reserved.
 */
namespace Irstea\PlantUmlBundle\Command;

use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Mapping\ClassMetadata;
use Irstea\PlantUmlBundle\Doctrine\AssociationDecorator;
use Irstea\PlantUmlBundle\Doctrine\DoctrineNamespace;
use Irstea\PlantUmlBundle\Doctrine\EntityDecorator;
use Irstea\PlantUmlBundle\Model\ClassVisitor;
use Irstea\PlantUmlBundle\Model\Decorator\CompositeDecorator;
use Irstea\PlantUmlBundle\Model\Decorator\FilteringDecorator;
use Irstea\PlantUmlBundle\Model\Decorator\InheritanceDecorator;
use Irstea\PlantUmlBundle\Model\Filter\DirectoryFilter;
use Irstea\PlantUmlBundle\Model\Filter\NamespaceFilter;
use Irstea\PlantUmlBundle\Model\Filter\Whitelist;
use Irstea\PlantUmlBundle\Model\Namespace_\BundleNamespace;
use Irstea\PlantUmlBundle\Model\Namespace_\FlatNamespace;
use Irstea\PlantUmlBundle\Model\Namespace_\MappedNamespace;
use Irstea\PlantUmlBundle\Writer\OutputWriter;
use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;


/**
 * Description of ImportAffiliationCommand
 *
 * @author Guillaume Perréal <guillaume.perreal@irstea.fr>
 */
class EntitySchemaCommand extends ContainerAwareCommand
{
    protected function configure()
    {
        $this
            ->setName('irstea:plantuml:entities')
            ->setDescription("Génère un schéma PlantUML à partir des métadonnées de Doctrine.");
    }

    /**
     *
     * @param InputInterface $input
     * @param OutputInterface $output
     *
     * @SuppressWarnings(UnusedFormalParameter)
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        /* @var $manager EntityManagerInterface */
        $manager = $this->getContainer()->get('doctrine.orm.entity_manager');

        $factory = $manager->getMetadataFactory();
        $allMetadata = $factory->getAllMetadata();

        $decorationFilter = new DirectoryFilter(
            [
                realpath($this->getContainer()->getParameter('kernel.root_dir').'/../src')
            ]
        );

        $bundleNamespace = 'Irstea\\SygadeBundle\\Entity\\';

        $entityFilter = new NamespaceFilter([$bundleNamespace]);

        //$namespace = new BundleNamespace($this->getContainer()->getParameter('kernel.bundles'));
        $namespace = new MappedNamespace([$bundleNamespace => '']);

        $decorator = new FilteringDecorator(
            new CompositeDecorator([
                new InheritanceDecorator(),
                new EntityDecorator($factory),
                new AssociationDecorator($factory),
            ]),
            $decorationFilter
        );

        $visitor = new ClassVisitor($decorator, null, $namespace);

        foreach($allMetadata as $metadata) {
            /* @var $metadata ClassMetadata */
            if ($entityFilter->accept($metadata->getReflectionClass())) {
                $visitor->visitClass($metadata->getName());
            }
        }

        $writer = new OutputWriter($output);
        $writer->write("@startuml\n");
        $visitor->outputTo($writer);
        $writer->write("@enduml\n");
    }
}