<?php

require_once 'XML/RPC.php';

class saSreality
{
    /**
     * importní klíč
     */
    const API_KEY = 'reda-345-ad';

    const EMAIL = 'penezenka706700@seznam.cz';
    const EMAIL_PASS = 'malina706700';

    /**
     * ID klienta
     */
    const API_ID = 6079;

    /**
     * md5(heslo)
     */
    const API_MD5_PASS = '0205eacc79baf77a16ff08e24fbba67a';

    const API_PATH = '/RPC2';
    const API_SERVER = 'http://import.sreality.cz';


    protected $session_id = null;
    protected $client = null;

    public function __construct()
    {
        $this->login();
    }

    public function __destruct()
    {
        $this->logout();
    }

    public function saveAdvert($params = array())
    {
        $result = self::callMethod('addAdvert', array('session_id' => $this->getSessionId(), 'params' => $params));
        return $result['advert_id'];
    }
    
    public function delAdvert($sreality_id)
    {
        $result = self::callMethod('delAdvert', array(
            'session_id' => $this->getSessionId(), 
            'advert_id' => $sreality_id, 
            'advert_rkid' => '', 
            ));
    }

    public function addPhoto($sreality_id, $data = array())
    {
        $result = self::callMethod('addPhoto', array(
            'session_id' => $this->getSessionId(), 
            'advert_id' => $sreality_id, 
            'advert_rkid' => '', 
            'data' => $data));
        
        return $result['photo_id'];
    }
    
    public function delPhoto($sreality_id)
    {
        $result = self::callMethod('delPhoto', array(
            'session_id' => $this->getSessionId(), 
            'photo_id' => $sreality_id, 
            'photo_rkid' => '', 
            ));
    }

    protected function login()
    {
        self::callMethod('login', array('session_id' => $this->getSessionId()));
    }

    protected function logout()
    {
        self::callMethod('logout', array('session_id' => $this->getSessionId()));
    }

    protected function getSessionId()
    {
        if (is_null($this->session_id))
        {
            $result = $this->callMethod('getHash', array('client_id' => self::API_ID));
            $this->session_id = $result['sessionId'];
        }

        $fp = substr($this->session_id, 0, 48);
        $vp = md5($this->session_id . self::API_MD5_PASS . self::API_KEY);
        $this->session_id = $fp . $vp;

        return $this->session_id;
    }

    protected function getRpcClient()
    {
        if (is_null($this->client))
        {
            $this->client = new XML_RPC_Client(self::API_PATH, self::API_SERVER);
        }

        return $this->client;
    }

    protected function callMethod($method, $params, $types = array())
    {
        $client = $this->getRpcClient();

        $xml_params = array();
        foreach ($params as $key => $param)
        {
            if($key == 'data')
            {
                $XML_RPC_val = new XML_RPC_Value;
                $XML_RPC_val->addStruct($param);
                $xml_params[] = $XML_RPC_val;
            }
            else
            {
                $xml_params[] = XML_RPC_encode($param);
            }
        }

        $msg = new XML_RPC_Message($method, $xml_params);
        $response = $client->send($msg);
        
        $response = XML_RPC_decode($response->value());

        if (!isset($response['status']))
        {
//            var_dump($method);
//            var_dump($params);
//            var_dump($response);
//            die();
            throw new Exception('Sreality ERROR: Volání XML-RPC skončilo chybou.');
        }

        if ($response['status'] > 299 || $response['status'] < 199)
        {
//            var_dump($method);
//            var_dump($params);
//            var_dump($response);
//            die();
            throw new Exception('Sreality ERROR:: ' . $response['status'] . '. ' . $response['statusMessage']);
        }

        if (isset($response['output'][0]))
        {
            return $response['output'][0];
        }
    }

    protected function base64EncodeImage($filename)
    {
        $imgbinary = fread(fopen($filename, "r"), filesize($filename));
        return 'data:image/' . Image::getMimetype() . ';base64,' . base64_encode($imgbinary);
    }
}