<?php declare(strict_types=1);

namespace AeonDumpManager\Struct;

/**
 * A dump on disk. Not a DAL entity — dumps are plain files in the plugin's
 * private Flysystem mount, identified by their filename.
 */
final class DumpFile
{
    public function __construct(
        public readonly string $filename,
        public readonly \DateTimeImmutable $datetime,
        public readonly int $sizeBytes,
    ) {
    }

    /**
     * @return array{filename: string, datetime: string, sizeBytes: int}
     */
    public function jsonSerialize(): array
    {
        return [
            'filename' => $this->filename,
            'datetime' => $this->datetime->format(DATE_ATOM),
            'sizeBytes' => $this->sizeBytes,
        ];
    }
}