<?php
namespace ProVM\Service;

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

class Mailboxes
{
    public function __construct(protected Communicator $communicator, protected LoggerInterface $logger, protected int $min_check_days) {}

    public function getAll(): array
    {
        $this->logger->info('Getting all registered mailboxes');
        $response = $this->communicator->get('/mailboxes/registered');
        $body = $response->getBody()->getContents();
        if (trim($body) === '') {
            return [];
        }
        $json = json_decode($body);
        if (!isset($json->mailboxes)) {
            return [];
        }
        return $json->mailboxes;
    }
    public function check(object $mailbox): bool
    {
        $this->logger->info("Checking mailbox {$mailbox->id}");
        if ((new DateTimeImmutable())->diff(new DateTimeImmutable($mailbox->last_checked->date->date))->days < $this->min_check_days) {
            return true;
        }
        $uri = "/mailbox/{$mailbox->id}/check";
        $response = $this->communicator->get($uri);
        $body = $response->getBody()->getContents();
        if (trim($body) === '') {
            throw new EmptyResponse($uri);
        }
        $json = json_decode($body);
        if (!isset($json->status)) {
            throw new MissingResponse('status');
        }
        return $json->status;
    }
    public function grabMessages(int $mailbox_id): int
    {
        $this->logger->info("Grabbing messages for {$mailbox_id}");
        $uri = "/mailbox/{$mailbox_id}/messages/grab";
        $response = $this->communicator->get($uri);
        $body = $response->getBody()->getContents();
        if (trim($body) === '') {
            return 0;
        }
        $json = json_decode($body);
        if (!isset($json->count)) {
            return 0;
        }
        return $json->count;
    }
}