commit basic

src/App/App.php

@@ -0,0 +1,50 @@
+<?php
+declare(strict_types=1);
+
+namespace App;
+
+final class App
+{
+    private static ?self $instance = null;
+
+    private Request $request;
+    private SessionManager $session;
+    private Assets $assets;
+    private I18n $i18n;
+    private Flash $flash;
+    private ?\PDO $pdo;
+
+    private function __construct(private Config $config)
+    {
+        $this->request = new Request();
+        $this->session = new SessionManager($config);
+        $this->assets  = new Assets($config);
+        $this->i18n    = new I18n($config, 'en');
+        $this->flash   = new Flash($this->session);
+        $this->pdo     = Database::createPdo($config);
+    }
+
+    public static function init(Config $config): self
+    {
+        if (self::$instance === null) {
+            self::$instance = new self($config);
+        }
+        return self::$instance;
+    }
+
+    public static function get(): self
+    {
+        if (self::$instance === null) {
+            throw new \RuntimeException('App not initialized. Call App::init() in bootstrap.');
+        }
+        return self::$instance;
+    }
+
+    public function config(): Config { return $this->config; }
+    public function request(): Request { return $this->request; }
+    public function session(): SessionManager { return $this->session; }
+    public function assets(): Assets { return $this->assets; }
+    public function i18n(): I18n { return $this->i18n; }
+    public function flash(): Flash { return $this->flash; }
+    public function pdo(): ?\PDO { return $this->pdo; }
+}