<?php
//namespace istic-openstack\Server\core;
// TODO introduce error-handling based on errors specific to the compute module
use OpenStack\Common\Error;

class compute 
{
        /** @var App $app protected, contains the main app object */
        protected $app;

        /** @var OpenStack\Identity $libClass protected, contains the library Compute object */
        protected $libClass;


    public function __construct($app)
    {
                $this->app = $app;
                $this->libClass = $app->getLibClass("Compute");
    }
	/**
	* Execute an action
	*
	* @param String $action name of another function of this class
	*
	* @return void
	*/
	public function action($action){
		
		 $this->{$action.""}();
		
	}
    	/**
     	* List servers.
     	* @return array
     	*/
        public function listServers()
        {
                $servers = $this->libClass->listServers();
		$this->app->setOutput("Servers", $servers);
                return;
        }
        /**
         * List flavors.
         * @return array
         */
        public function listFlavors()
        {
                $flavors = $this->libClass->listFlavors();
		$this->app->setOutput("Flavors", $flavors);
                return;
        }
        /**
         * List images.
         * @return array
         */
        public function listImages()
        {
                $images = $this->libClass->listImages();
		$this->app->setOutput("Images", $images);
                return;
        }
        /**
         * Create server.
         * @return array
         * 
        public function createServer()
        {

                $server = $this->libClass->createServer();
        }
	*/
        /**
         * Get server details.
         * @return array
         */
        public function getServer()
        {
		$serverId = $this->app->getPostParam("serverId");
		$opt = array('id' => $serverId);
                $server = $this->libClass->getServer($opt);
		$server->retrieve();
		$this->app->setOutput("MyServer", $server);
                return;
        }
        /**
         * Get flavor details.
         * @return array
         */
        public function getFlavor()
        {
		$flavorId = $this->app->getPostParam("flavorId");
		$opt = array('id' => $flavorId);
                $flavor = $this->libClass->getFlavor($opt);
		$flavor->retrieve();
		$this->app->setOutput("MyFlavor", $flavor);
                return;
        }
        /**
         * Get image details.
         * @return array
         */
        public function getImage()
        {
		$imageId = $this->app->getPostParam("imageId");
		$opt = array('id' => $imageId);
                $image = $this->libClass->getImage($opt);
		$image->retrieve();
		$this->app->setOutput("MyImage", $image);
                return;
        }
        /* working on tests

        public function update()
        {
                $image = $this->app->getServer(array $options = []);

        }
        public function delete()
        {
                //TODO
        }
        public function changePassword($newPassword)
        {
                //TODO
        }
        public function reboot($type = Enum::REBOOT_SOFT)
        {
                //TODO
        }
        public function rebuild(array $options)
        {
                //TODO
        }
        public function resize($flavorId)
        {
                //TODO
        }
        public function confirmResize()
        {
                //TODO
        }
        public function revertResize()
        {
                //TODO
        }
        public function createImage(array $options)
        {
                //TODO
        }
        public function listAddresses(array $options = [])
        {
                //TODO
        }
        public function getMetadata()
        {
                //TODO
        }
        public function resetMetadata(array $metadata)
        {
                //TODO
        }
        public function mergeMetadata(array $metadata)
        {
                //TODO
        }
        public function getMetadataItem($key)
        {
                //TODO
        }
        public function deleteMetadataItem($key)
        {
                //TODO
        }
*/
}