<?php
/**
 * Refer to LICENSE.txt distributed with the Temando Shipping module for notice of license
 */
namespace Temando\Shipping\Rest\SchemaMapper\JsonApi;

use Temando\Shipping\Rest\Response\DataObject\AbstractResource;

/**
 * Temando REST API JSON API Container
 *
 * Register deserialized resources
 *
 * @package  Temando\Shipping\Rest
 * @author   Christoph Aßmann <christoph.assmann@netresearch.de>
 * @license  http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link     http://www.temando.com/
 */
class ResourceContainer implements ResourceContainerInterface
{
    /**
     * @var AbstractResource[]
     */
    private $resources = [];

    /**
     * @param string $type
     * @param string $id
     * @return string
     */
    private function getResourceKey($type, $id)
    {
        return sprintf('%s--%s', $type, $id);
    }

    /**
     * Register a resource
     *
     * @param AbstractResource $resource
     * @return void
     */
    public function addResource(AbstractResource $resource)
    {
        $resourceKey = $this->getResourceKey($resource->getType(), $resource->getId());
        $this->resources[$resourceKey] = $resource;
    }

    /**
     * Obtain a registered resource identified by type and id properties.
     *
     * @param string $type
     * @param string $id
     * @return AbstractResource
     */
    public function getResource($type, $id)
    {
        $resourceKey = $this->getResourceKey($type, $id);
        if (!isset($this->resources[$resourceKey])) {
            return null;
        }

        return $this->resources[$resourceKey];
    }

    /**
     * Obtain all registered resources.
     *
     * @return AbstractResource[]
     */
    public function getResources()
    {
        return $this->resources;
    }
}