provider_imap/lib/Client/SessionContext.php

<?php

declare(strict_types=1);

namespace KTXM\ProviderImap\Client;

use KTXM\ProviderImap\Client\Protocol\Response\GreetingResponse;
use KTXM\ProviderImap\Client\Transport\ConnectionInterface;

final class SessionContext
{
    /** @var array<string, true> */
    private array $capabilities = [];
    private SessionState $state = SessionState::Disconnected;
    private ?GreetingResponse $greeting = null;
    private ?string $selectedMailbox = null;

    public function __construct(
        private readonly ConnectionConfig $config,
        private readonly ConnectionInterface $connection,
    ) {}

    public function config(): ConnectionConfig
    {
        return $this->config;
    }

    public function connection(): ConnectionInterface
    {
        return $this->connection;
    }

    public function state(): SessionState
    {
        return $this->state;
    }

    public function setState(SessionState $state): void
    {
        $this->state = $state;
    }

    public function greeting(): ?GreetingResponse
    {
        return $this->greeting;
    }

    public function setGreeting(GreetingResponse $greeting): void
    {
        $this->greeting = $greeting;
    }

    public function selectedMailbox(): ?string
    {
        return $this->selectedMailbox;
    }

    public function setSelectedMailbox(?string $selectedMailbox): void
    {
        $this->selectedMailbox = $selectedMailbox;
    }

    /**
     * @return list<string>
     */
    public function capabilities(): array
    {
        return array_keys($this->capabilities);
    }

    public function replaceCapabilities(string ...$capabilities): void
    {
        $this->capabilities = [];

        foreach ($capabilities as $capability) {
            $normalized = strtoupper(trim($capability));
            if ($normalized === '') {
                continue;
            }

            $this->capabilities[$normalized] = true;
        }
    }

    public function hasCapability(string $capability): bool
    {
        return isset($this->capabilities[strtoupper($capability)]);
    }
}