<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace KTXM\ProviderImapMail\Providers;

use DateTimeInterface;
use Gricob\IMAP\Mime\Part\Part;
use Gricob\IMAP\Protocol\Response\Line\Data\FetchData;
use KTXF\Mail\Entity\EntityMutableAbstract;

/**
 * Mail Entity Resource Implementation
 */
class EntityResource extends EntityMutableAbstract {

    public function __construct(
        string $provider = 'imap',
        string|int|null $service = null,
    ) {
        parent::__construct($provider, $service);
    }

    /**
     * Convert gricob FetchData to mail entity object
     *
     * @param FetchData  $fetchData   result from IMAP FETCH command
     * @param string     $mailbox     IMAP mailbox name (used as collection)
     * @param Part|null  $bodyPart    MIME Part tree for body content (optional)
     */
    public function fromImap(FetchData $fetchData, string $mailbox, ?Part $bodyPart = null): static {

        // Collection = the IMAP mailbox name
        $this->data['collection'] = $mailbox;

        // Identifier = UID (preferred) or sequence number as fallback
        $this->data['identifier'] = $fetchData->uid ?? $fetchData->id;

        // Created = INTERNALDATE (server arrival time)
        if ($fetchData->internalDate !== null) {
            $this->data['created'] = $fetchData->internalDate->format(DateTimeInterface::ATOM);
        }

        $this->getProperties()->fromImap(
            flags: $fetchData->flags ?? [],
            envelope: $fetchData->envelope,
            bodyStructure: $fetchData->bodyStructure,
            size: $fetchData->rfc822Size ?? 0,
            bodyPart: $bodyPart,
        );

        return $this;
    }

    /**
     * Convert mail entity object to store array
     */
    public function toStore(): array {
        return array_merge(
            $this->data,
            ['properties' => $this->getProperties()->toStore()]
        );
    }

    /**
     * Hydrate mail entity object from store array
     */
    public function fromStore(array $data): static {
        $properties = $data['properties'] ?? [];
        unset($data['properties']);
        $this->data = $data;
        $this->getProperties()->fromStore($properties);
        return $this;
    }

    /**
     * @inheritDoc
     */
    public function getProperties(): MessageProperties {
        if (!isset($this->properties)) {
            $this->properties = new MessageProperties([]);
        }
        return $this->properties;
    }
}