refactor: use custom imap client

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Client/SessionContext.php

@@ -0,0 +1,89 @@
+<?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)]);
+    }
+}