<?php
/*
 * Copyright (C) 2016-2017 IRSTEA
 * All rights reserved.
 */

namespace Irstea\PlantUmlBundle\Doctrine;

use Doctrine\ORM\Mapping\ClassMetadata;
use Irstea\PlantUmlBundle\Model\ClassVisitorInterface;
use Irstea\PlantUmlBundle\Model\NodeInterface;
use ReflectionClass;

/**
 * Description of RelationDecorator.
 */
class FieldDecorator extends AbstractDoctrineDecorator
{
    use \Irstea\PlantUmlBundle\Model\Decorator\InheritableItemDecoratorTrait;

    protected function extractItems(ReflectionClass $class)
    {
        return $this->withMetadata(
            function (ClassMetadata $metadata) {
                /* @var $metadata \Doctrine\ORM\Mapping\ClassMetadata */
                return $metadata->fieldMappings;
            },
            $class
        );
    }

    protected function decorateItem(ReflectionClass $class, NodeInterface $node, ClassVisitorInterface $visitor, $field)
    {
        $isIdentifier = $this->withMetadata(
            function (ClassMetadata $metadata) use ($field) {
                /* @var $metadata \Doctrine\ORM\Mapping\ClassMetadata */
                return $metadata->isIdentifier($field['fieldName']);
            },
            $class
        );
        $node->addAttribute(
            new Field(
                $field['fieldName'],
                $field['type'],
                $field['unique'],
                $field['nullable'],
                $isIdentifier
            )
        );
    }

    public function toConfig(array &$conf)
    {
        $conf['decorators'][] = 'fields';
    }
}