<?php
namespace ProVM\Service;

use ProVM\Exception\Response\EmptyResponse;
use ProVM\Exception\Response\MissingResponse;
use Psr\Log\LoggerInterface;
use function Safe\json_decode;

class Messages
{
    public function __construct(protected Communicator $communicator, protected LoggerInterface $logger) {}

    public function get(int $message_id): object
    {
        $this->logger->info("Getting message {$message_id}");
        $uri = "/message/{$message_id}";
        $response = $this->communicator->get($uri);
        $body = $response->getBody()->getContents();
        if (trim($body) === '') {
            throw new EmptyResponse($uri);
        }
        $json = json_decode($body);
        if (!isset($json->message)) {
            throw new MissingResponse('message');
        }
        return $json->message;
    }
    public function grabAttachments(string $message_uid): int
    {
        $this->logger->info("Grabbing attachments for message UID {$message_uid}");
        $uri = '/attachments/grab';
        $response = $this->communicator->put($uri, ['messages' => [$message_uid]]);
        $body = $response->getBody()->getContents();
        if (trim($body) === '') {
            return 0;
        }
        $json = json_decode($body);
        if (!isset($json->total)) {
            return 0;
        }
        return $json->total;
    }
}