<?php

class App_Service_ExternalApiService
{

    const API_TYPE_CHANGE_ORDER_STATUS = 'change_order_status';

    protected $_httpClient;
    protected $_configs;
    protected $_ipManager;
    protected $_genericModel;

    protected $_endPoint;
    protected $_authToken;

    public function __construct()
    {

        $this->_configs = Zend_Registry::get('config');
        $this->_ipManager = new App_Service_IpManager();
        $this->_genericModel = new Application_Model_Generic();

        $this->_httpClient = new Zend_Http_Client();
        $this->_httpClient->setConfig(array(
            'adapter' => 'Zend_Http_Client_Adapter_Curl',
            'maxredirects' => 0,
            'timeout' => 60,
            'ssltransport' => 'ssl'
        ));

    }

    public function setConnectionParams($codiceAttivita, $tipoApi)
    {

        //Recupero se presenti i dati per la comunicazione con un eventuale endpoint
        $api = $this->_genericModel->getFiltered('ExternalApi', array('CodiceAttivita = ?' => $codiceAttivita, 'TipoApi = ?' => $tipoApi, 'Attivo = ?' => 1));

        if (!$api) {
            $this->_authToken = null;
            $this->_endPoint = null;
        } else {
            $this->_authToken = $api['AuthToken'];
            $this->_endPoint = $api['Endpoint'];
        }

    }

    public function checkConnectionParams()
    {
        if (!$this->_authToken || !$this->_endPoint) {
            throw new App_Controller_Errors_WebServiceError('Parametri per la connessione non impostati correttamente', App_Controller_Errors_WebServiceError::WEBSERVICE_GENERIC_ERROR);
        }
    }

    public function postCall($dati = array())
    {

        $this->checkConnectionParams();

        $this->_httpClient->setMethod('POST');
        $this->_httpClient->setUri($this->_endPoint);
        $this->_httpClient->setRawData(json_encode($dati), 'application/json;charset=utf-8');

        return $this->executeCall();
    }

    public function putCall($dati = array())
    {

        $this->checkConnectionParams();

        $this->_httpClient->setMethod('PUT');
        $this->_httpClient->setUri($this->_endPoint);
        $this->_httpClient->setRawData(json_encode($dati), 'application/json;charset=utf-8');

        return $this->executeCall();
    }

    private function executeCall()
    {

        $this->_httpClient->setHeaders('Authorization', 'Secret ' . $this->_authToken);

        if ($this->_ipManager->allowedDevMode()) {
            $this->_httpClient->setHeaders('X-As-Dev-On', '1');
            $this->_httpClient->setHeaders('X-As-Dev-Pw', 'JackDev2590');
        }

        $httpResponse = $this->_httpClient->request();
        $httpResponse->getStatus();

        $headerResponse = $httpResponse->getHeaders();

        // Zend_Registry::get('log')->info(print_r($this->_httpClient->getLastRequest(),true));
        // Zend_Registry::get('log')->info(print_r($this->_httpClient->getLastResponse(),true));

        // Zend_Registry::get('log')->info(print_r($headerResponse,true));
        // Zend_Registry::get('log')->info(print_r($httpResponse->getStatus(),true));

        if (preg_match('/application\/json|json/', $headerResponse['Content-type'])) {
            $httpResponseBody = json_decode($httpResponse->getBody(), 1);

            if (json_last_error() !== JSON_ERROR_NONE) {
                throw new App_Controller_Errors_WebServiceError("Errore di decodifica json per la chiamata: " . $this->_httpClient->getUri(), App_Controller_Errors_WebServiceError::WEBSERVICE_GENERIC_ERROR);
            }

            if ($httpResponse->getStatus() >= 400 && $httpResponse->getStatus() < 500) {
                throw new App_Controller_Errors_WebServiceError($httpResponseBody['message'], App_Controller_Errors_WebServiceError::WEBSERVICE_GENERIC_ERROR);
            }

        } else {
            $httpResponseBody = $httpResponse->getBody();
        }

        return $httpResponseBody;
    }

}