<?php

/*
 * This file is part of the CWD Data Doctrine ORM Bundle
 *
 * (c) cwd.at GmbH <office@cwd.at>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Cwd\DataDoctrineORMBundle\Mapping\Driver;

use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Mapping\ClassMetadataFactory;
use Doctrine\ORM\Mapping\Driver\SimplifiedXmlDriver;

class XmlDriverWithCollectionSupport extends SimplifiedXmlDriver
{
    private $classMetadataFactory;

    public function setClassMetadataFactory(ClassMetadataFactory $classMetadataFactory): void
    {
        $this->classMetadataFactory = $classMetadataFactory;
    }

    public function loadMetadataForClass($className, \Doctrine\Common\Persistence\Mapping\ClassMetadata $metadata)
    {
        /* @var $metadata \Doctrine\ORM\Mapping\ClassMetadataInfo */
        parent::loadMetadataForClass($className, $metadata);

        $options = $metadata->table['options'] ?? [];

        if (isset($options['collections'])) {
            $collectionMappings = $options['collections'];

            foreach ($collectionMappings as $fieldName => $collectionMapping) {
                if (isset($metadata->associationMappings[$fieldName])) {
                    continue;
                }

                $metadata->associationMappings[$fieldName] = array(
                    'fieldName' => $fieldName,
                    'targetEntity' => $collectionMapping['entryClass'],
                    'mappedBy' => 'owner',
                    'cascade' => ['remove', 'persist', 'refresh', 'merge', 'detach'],
                    'orphanRemoval' => true,
                    'orderBy' => ['id' => 'ASC'],
                    'type' => ClassMetadata::ONE_TO_MANY,
                    'inversedBy' => null,
                    'isOwningSide' => false,
                    'sourceEntity' => $metadata->getName(),
                    'fetch' => ClassMetadata::FETCH_LAZY,
                    'isCascadeRemove' => true,
                    'isCascadePersist' => true,
                    'isCascadeRefresh' => true,
                    'isCascadeMerge' => true,
                    'isCascadeDetach' => true,
                );
            }
        }

        if (isset($options['collectionEntry'])) {
            if (!isset($metadata->fieldMappings['id'], $metadata->identifier)) {
                $metadata->fieldMappings['id'] = [
                    'id' => true,
                    'fieldName' => 'id',
                    'type' => 'integer',
                    'columnName' => 'id',
                ];
                $metadata->identifier = ['id'];
                $metadata->fieldNames['id'] = 'id';
                $metadata->columnNames['id'] = 'id';
                $metadata->isIdentifierComposite = false;
                $metadata->generatorType = ClassMetadata::GENERATOR_TYPE_AUTO;
            }

            if (!isset($metadata->associationMappings['owner'])) {
                $metadata->associationMappings['owner'] = [
                    'fieldName' => 'owner',
                    'targetEntity' => $options['collectionEntry']['ownerClass'],
                    'inversedBy' => $options['collectionEntry']['ownerField'],
                    'joinColumns' => [
                        [
                            'name' => 'owner_id',
                            'referencedColumnName' => 'id',
                            'nullable' => false,
                            'onDelete' => 'CASCADE',
                        ],
                    ],
                    'type' => ClassMetadata::MANY_TO_ONE,
                    'mappedBy' => null,
                    'isOwningSide' => true,
                    'sourceEntity' => $className,
                    'fetch' => ClassMetadata::FETCH_LAZY,
                    'cascade' => [],
                    'isCascadeRemove' => false,
                    'isCascadePersist' => false,
                    'isCascadeRefresh' => false,
                    'isCascadeMerge' => false,
                    'isCascadeDetach' => false,
                    'sourceToTargetKeyColumns' => ['owner_id' => 'id'],
                    'joinColumnFieldNames' => ['owner_id' => 'owner_id'],
                    'targetToSourceKeyColumns' => ['id' => 'owner_id'],
                    'orphanRemoval' => false,
                ];
            }
        }
    }
}