<?php
include_once("core/Plugin_Api.php");
include_once("core/LibOverride/genTokenOptions.php");
include_once("core/ErrorManagement.php");

use OpenCloud\Common\Error\BadResponseError;
use OpenCloud\Common\Error\BaseError;
use OpenCloud\Common\Error\NotImplementedError;
use OpenCloud\Common\Error\UserInputError;

class App{
	
	protected $openstack;
	protected $pluginsApi;
	protected $postParams;
	protected $tokenClass;
	protected $tokenPost;
	protected $errorClass;
	protected $output;

	public function __construct($args){

		$this->tokenPost = NULL;
		$this->tokenClass = new genTokenOptions($args);
		$this->openstack = new OpenStack\OpenStack([]);
		$this->pluginsApi = plugin_api::getInstance();
		$this->errorClass = new errorManagement($this);
		$this->output = array();
		$this->postParams = $_POST;

	}
	
	public function setToken($token){
		
		$this->tokenPost = $token;
		$this->tokenClass->loadBackup($this->tokenPost);
		
	}
	
	public function getLibClass($service){
		
		switch($service){
			case "Identity":
				if($this->tokenPost == NULL) $this->tokenClass->genIdentityToken();
				$opt = $this->tokenClass->getOptions($service);
				return $this->openstack->identityV3($opt);
				break;
			case "Image":
				if($this->tokenPost == NULL) $this->tokenClass->genImageToken();
				$opt = $this->tokenClass->getOptions($service);
				return $this->openstack->imagesV2($opt);
				break;
			case "Network":
				if($this->tokenPost == NULL) $this->tokenClass->genNetworkToken();
				$opt = $this->tokenClass->getOptions($service);
				return $this->openstack->networkingV2($opt);
				break;
			case "Compute":
				if($this->tokenPost == NULL) $this->tokenClass->genComputeToken();
				$opt = $this->tokenClass->getOptions($service);
				return $this->openstack->computeV2($opt);
				break;
		}
		
	}
	
	public function authenticate(){
		
		try{
			$this->tokenClass->genIdentityToken();
			$this->tokenClass->genComputeToken();
			$this->tokenClass->genImageToken();
			$this->tokenClass->genNetworkToken();
			
			$this->setOutput("token", $this->tokenClass->getBackup());
		}catch(BadResponseError $e){
			$this->errorClass->BadResponseHandler($e);
        }catch(UserInputError $e){
			$this->errorClass->UserInputHandler($e);
        }catch(BaseError $e){
			$this->errorClass->BaseErrorHandler($e);
        }catch(NotImplementedError $e){
			$this->errorClass->NotImplementedHandler($e);
    }
		
	}
	
	public function deauthenticate(){
		
		try{
			
			$this->tokenClass->revokeComputeToken();
			$this->tokenClass->revokeImageToken();
			$this->tokenClass->revokeNetworkToken();
			$this->tokenClass->revokeIdentityToken();
			
			$this->setOutput("deauthenticate", "Ok");
		}catch(BadResponseError $e){
			$this->errorClass->BadResponseHandler($e);
        }catch(UserInputError $e){
			$this->errorClass->UserInputHandler($e);
        }catch(BaseError $e){
			$this->errorClass->BaseErrorHandler($e);
        }catch(NotImplementedError $e){
			$this->errorClass->NotImplementedHandler($e);
    }
		
	}
	
	public function getPostParam($name){
		
		return $this->postParams[$name];
		
	}
	
	public function setOutput($key, $out){
		
		$this->output[$key] = $out;
		
	}
	
	public function getErrorInstance(){
		
		return $this->errorClass;
		
	}
	
	public function show(){
		echo json_encode($this->output);
		//error_log(var_dump(json_encode($this->output), true), 0);
	}
	
}