<?php
/**
 * SuiteCRM is a customer relationship management program developed by SuiteCRM Ltd.
 * Copyright (C) 2026 SuiteCRM Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUITECRM, SUITECRM DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "Supercharged by SuiteCRM" logo. If the display of the logos is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Supercharged by SuiteCRM".
 */

namespace App\Module\Documents\Service\Mappers;

use App\Data\Entity\Record;
use App\Data\Service\Record\EntityRecordMappers\EntityRecordFieldTypeMapperInterface;
use App\FieldDefinitions\Entity\FieldDefinition;
use App\FieldDefinitions\Service\FieldDefinitionsProviderInterface;
use App\MediaObjects\Repository\MediaObjectManagerInterface;
use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

#[Autoconfigure(lazy: true)]
class DocumentFilenameRetrieveEntityMapper implements EntityRecordFieldTypeMapperInterface
{
    public const FIELD_TYPE = 'file';

    public function __construct(
        protected MediaObjectManagerInterface $mediaObjectManager,
        protected FieldDefinitionsProviderInterface $fieldDefinitionsProvider
    ) {
    }

    public function getFieldType(): string
    {
        return self::FIELD_TYPE;
    }

    public function getModule(): string
    {
        return 'documents';
    }

    public function getKey(): string
    {
        return 'documents-filename';
    }

    public function getOrder(): int
    {
        return 0;
    }

    public function getModes(): array
    {
        return ['retrieve'];
    }

    public function toInternal(Record $record, FieldDefinition $fieldDefinitions, string $field): void
    {
    }

    public function toExternal(Record $record, FieldDefinition $fieldDefinitions, string $field): void
    {
        $fieldDefs = $fieldDefinitions->getVardef()[$field] ?? [];

        $revisionIdField = $fieldDefs['fileId'] ?? 'document_revision_id';
        $attributes = $record->getAttributes();
        $revisionId = $attributes[$revisionIdField] ?? '';

        if (empty($revisionId)) {
            return;
        }

        $storageType = $this->getDocumentRevisionStorageType();
        if (empty($storageType)) {
            return;
        }

        $mediaObjects = $this->mediaObjectManager->getLinkedMediaObjects(
            $storageType,
            'DocumentRevisions',
            $revisionId,
            'filename'
        );

        if (empty($mediaObjects)) {
            $mediaObjects = $this->mediaObjectManager->getLinkedMediaObjects('legacy-documents', 'DocumentRevisions', $revisionId, 'filename');
            $storageType = 'legacy-documents';
        }

        if (empty($mediaObjects)) {
            return;
        }

        $mediaObjectRecord = $this->mediaObjectManager->mapToRecord($storageType, $mediaObjects[0]);

        if ($mediaObjectRecord === null) {
            return;
        }

        $attributes[$field] = $mediaObjectRecord->toArray();
        $record->setAttributes($attributes);
    }

    protected function getDocumentRevisionStorageType(): string
    {
        $fieldDef = $this->fieldDefinitionsProvider->getFieldDefinition('document-revisions', 'filename');

        return $fieldDef['metadata']['storage_type'] ?? 'private-documents';
    }
}