<?php

declare(strict_types=1);

namespace KTXM\ServiceDav\Backends;

use KTXF\Documents\Service\ServiceBaseInterface;
use KTXF\Documents\Service\ServiceCollectionMutableInterface;
use Sabre\DAV\Collection;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\INode;

/**
 * A service-level WebDAV collection.
 *
 * Maps one (providerId, serviceId) pair → a DAV folder whose children are
 * the root-level document collections exposed by that service.
 */
class FilesServiceNode extends Collection
{
    public function __construct(
        private readonly ServiceBaseInterface $service,
    ) {}

    public function getName(): string
    {
        return $this->service->getLabel();
    }

    /** @return INode[] */
    public function getChildren(): array
    {
        $nodes = [];

        $collections = $this->service->collectionList(null);
        foreach ($collections as $collection) {
            $nodes[] = new FilesCollectionNode(
                $this->service,
                $collection,
            );
        }

        /** @var \KTXF\Documents\Entity\EntityBaseInterface[] $entities */
        $entities = $this->service->entityListBulk(null);
        foreach ($entities as $entity) {
            if (is_object($entity)) {
                $nodes[] = new FilesEntityNode(
                    $this->service,
                    $entity,
                );
            }
        }

        return $nodes;
    }

    public function createDirectory($name): void
    {
        if (!$this->service instanceof ServiceCollectionMutableInterface) {
            throw new Forbidden('Service does not support collection creation');
        }

        $properties = $this->service->collectionFresh()->getProperties();
        $properties->setLabel($name);
        $this->service->collectionCreate(null, $properties);
    }
}