<?php

namespace Framework;
use ReflectionClass;
use Closure;

class Container {

    private array $registry = [];

    public function set(string $name, Closure $value): void {
        $this->registry[$name] = $value;
    }
    public function get(string $class_name): object {
        if(array_key_exists($class_name, $this->registry)) {
            return $this->registry[$class_name]();
        }
        $reflector = new ReflectionClass($class_name);
        $contructor = $reflector->getConstructor();

        $dependencies = [];
        
        if($contructor === null) {
            return new $class_name();
        }

        foreach($contructor->getParameters() as $param) {
            $type = (string) $param->getType();
            $dependencies[] = $this->get($type);
        }
        
        return new $class_name(...$dependencies);
    }
}