<?php

declare(strict_types=1);

namespace App\Services;

use App\Models\TicketAttachment;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\DB;
use InvalidArgumentException;

final class TicketAttachmentService
{
    /**
     * Store a ticket attachment and create the database record.
     *
     * @throws InvalidArgumentException
     */
    public function store(int $ticketId, UploadedFile $file): TicketAttachment
    {
        if ($ticketId <= 0) {
            throw new InvalidArgumentException('Invalid ticket ID');
        }

        return DB::transaction(function () use ($ticketId, $file): TicketAttachment {
            $path = $file->store('tickets/attachments', 'public');

            /** @var TicketAttachment $attachment */
            $attachment = TicketAttachment::query()->create([
                'ticket_id' => $ticketId,
                'file_path' => $path,
                'file_name' => $file->getClientOriginalName(),
                'file_size' => $file->getSize(),
                'mime_type' => $file->getMimeType() ?? 'application/octet-stream',
            ]);

            return $attachment;
        });
    }
}