chore: lots of changes

src/Framework/DI/Container.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\DI;
+
+use App\Framework\Attributes\Singleton;
+
+class Container
+{
+    private array $singletons = [];
+
+    public function __construct(private array $definitions)
+    {
+
+    }
+
+    public function get(string $class): object
+    {
+        if (isset($this->singletons[$class])) {
+            return $this->singletons[$class];
+        }
+
+        $reflection = new \ReflectionClass($class);
+
+        $constructor = $reflection->getConstructor();
+        $dependencies = [];
+
+        if ($constructor !== null) {
+            foreach ($constructor->getParameters() as $param) {
+                $type = $param->getType();
+                if (!$type || $type->isBuiltin()) {
+                    throw new \RuntimeException("Cannot resolve parameter {$param->getName()}");
+                }
+                $dependencies[] = $this->get($type->getName());
+            }
+        }
+
+        $instance = $reflection->newInstanceArgs($dependencies);
+
+        if ($reflection->getAttributes(Singleton::class)) {
+            $this->singletons[$class] = $instance;
+        }
+
+        return $instance;
+    }
+}