<?php
/**
 * Infogreffe provider
 */
class Metier_Infogreffe
{

    /**
     * Activate debug mode
     * @var boolean
     */
    public $debug = false;

    /**
     * Config definition
     * @var Zend_Config
     */
    public $config;

    /**
     * Reference client - customer reference
     * G[Number]
     * @var string
     */
    public $reference_client;

    /**
     * Type de document
     * @var string
     */
    public $type_document;

    /**
     * Mode de diffusion
     * XL : XML
     * M : Mail
     * C : Courrier
     * T : Téléchargement
     * @var string
     */
    public $mode_diffusion;

    /**
     *
     * @var string
     */
    public $greffe;

    /**
     *
     * @var string
     */
    public $dossier_millesime;

    /**
     *
     * @var string
     */
    public $dossier_statut;

    /**
     *
     * @var string
     */
    public $dossier_chrono;

    /**
     *
     * @var unknown
     */
    public $date_depot;

    /**
     *
     * @var string
     */
    public $num_depot;

    /**
     * BI : Date de cloture
     * @var string
     */
    public $date_cloture;

    /**
     *
     * @var unknown
     */
    public $date_acte;

    /**
     *
     * @var unknown
     */
    public $type_acte;

    /**
     * AC : Numéro de l'acte
     * @var string
     */
    public $num;

    /**
     * SIREN
     * @var string
     */
    public $siren;

    /**
     * Request XML
     * @var string
     */
    protected $xml = '';

    /**
     * Cache delay
     * @var unknown
     */
    protected $cacheFiletime;

    /**
     * Initialize configuration
     */
    public function __construct()
    {
        //Load configuration
        $c = Zend_Registry::get('config');
        $this->config = $c->profil->infogreffe;
        if ( null === $this->config ) {
            throw new Exception('Unable to load configuration file.');
        }

        $this->cacheFiletime = $c->profil->infogreffe->cache->time;
    }

    public function callRequest()
    {
        $fromCache = false;
        if ( $this->mode_diffusion == 'XL' && $this->fileIsCache() ){
            $fromCache = true;
        }

        if ($fromCache) {
            $xml = $this->fileFromCache();
        } else {
            $xml = $this->getProduitsXML();
        }

        $this->error($xml);

        if ( $this->mode_diffusion == 'XL' ){
            $this->fileTocache($xml);
        }

        return $xml;
    }

    /**
     * Save data in cache
     * @param string $xml
     */
    protected function fileTocache($xml)
    {
        $filename = $this->type_document . '-' . $this->siren . '.xml';
        $file = $this->config->cache->path . DIRECTORY_SEPARATOR . $filename;
        file_put_contents($file, $xml);
    }

    /**
     *
     * @param string $xml
     * @return string
     */
    protected function fileFromCache()
    {
        $filename = $this->type_document . '-' . $this->siren . '.xml';
        $file = $file = $this->config->cache->path . DIRECTORY_SEPARATOR . $filename;
        return file_get_contents($file);
    }

    /**
     *
     * @return boolean
     */
    protected function fileIsCache()
    {
        $filename = $this->type_document . '-' . $this->siren . '.xml';
        $file = $file = $this->config->cache->path . DIRECTORY_SEPARATOR . $filename;
        if ( !file_exists($file) ) {
            return false;
        }

        $dateFile = filemtime($file);
        $now = mktime(date('G'), date('i'), date('s'), date('m') , date('d'), date('Y'));
        $maxTime = mktime(
                date('G',$dateFile)+$this->cacheFiletime,
                date('i',$dateFile),
                date('s',$dateFile),
                date("m",$dateFile),
                date("d",$dateFile),
                date("Y",$dateFile)
        );

        if ( $now>$maxTime ) {
            return true;
        }

        return false;
    }

    /**
     * Detect error
     * @param string $xml
     * @throws Exception
     */
    protected function error($xml)
    {
        if ( !empty($xml) ) {

            $doc = new DOMDocument();
            $load = $doc->loadXML($xml, LIBXML_NOERROR | LIBXML_NOWARNING);
            if ( !$load ) {
                $tmp = explode('-', $xml);
                $errNum = intval($tmp[0]);
                $errMsg = $tmp[1];
                throw new Exception($errMsg, $errNum);
            }

        }
        else {
            throw new Exception('XML content is empty.');
        }
    }

    /**
     * Download file from URL
     * @param string $url
     * @param string $filename
     * @throws Exception
     * @return string
     */
    protected function download($url, $filename)
    {
        $file = $this->config->storage->path . '/' . $filename;

        try {
            $client = new Zend_Http_Client($url);
            $client->setStream();
            $response = $client->request('GET');
            if ( $response->isSuccessful() && substr($response->getBody(),0,4)=='%PDF' ) {
                if ( copy($response->getStreamName(), $file) ) {
                    return $file;
                } else {
                    throw new Exception( "Erreur lors de l'ecriture du fichier" );
                }
            } else {
                throw new Exception( "Fichier non PDF" );
            }
        } catch (Zend_Http_Client_Exception $e) {
            throw new Exception( $e->getMessage() );
        }
    }

    /**
     * Pdf information
     * @param string $pdf
     * @return array
     *     pages => number of pages
     *     version => pdf version
     *     size => pdf filesize
     */
    public function pdfInfos($pdf)
    {
        if ( false !== ( $file = file_get_contents( $pdf ) ) ) {
            //Number of page
            $pages = preg_match_all( "/\/Page\W/", $file, $matches );

            //Pdf Version
            preg_match("/^\%PDF\-(.*)\s/U", $file, $matches);
            $version = $matches[1];

            //Pdf size
            $size = filesize($pdf);

            return array(
                'pages' => $pages,
                'version' => $version,
                'size' => $size,
            );
        }

        return false;
    }

    /**
     * Define XML for the request
     */
    protected function setXML()
    {
        //Construct the request
        $xml = new SimpleXMLElement('<demande></demande>');
        $emetteur = $xml->addChild('emetteur');
        $emetteur->addChild('code_abonne', $this->config->user);
        $emetteur->addChild('mot_passe', $this->config->password);

        $code_requete = $emetteur->addChild('code_requete');
        $code_requete->addChild('type_profil', 'A');
        $code_requete->addChild('origine_emetteur', 'IC');

        // C = Commande de documents
        $code_requete->addChild('nature_requete', 'C');

        $code_requete->addChild('type_document', $this->type_document);
        $code_requete->addChild('type_requete', 'S'); // S = Simple

        // Mode de diffusion : C = Courrier, T = Téléchargement, M = Mail, XL = XML
        $mode_diffusion = $code_requete->addChild('mode_diffusion');
        if ( $this->mode_diffusion=='XL' )
        {
            //On ajoute tout les types de diffusions pour  XL
            $mode_diffusion->addChild('mode')->addAttribute('type', 'C');
            $mode_diffusion->addChild('mode')->addAttribute('type', 'T');
        }
        $mode_diffusion->addChild('mode')->addAttribute('type', $this->mode_diffusion);

        $code_requete->addChild('media', 'WS');

        $commande = $xml->addChild('commande');
        $commande->addChild('num_siren', $this->siren);

        if ( $this->mode_diffusion!='XL' )
        {
            // Commande de documents : bilan saisie ou bilan complet
            if ( ($this->type_document=='BS' || $this->type_document=='BI') )
            {
                $num_gest = $commande->addChild('num_gest');
                $num_gest->addChild('greffe',$this->greffe);
                $num_gest->addChild('dossier_millesime',$this->dossier_millesime);
                $num_gest->addChild('dossier_statut',$this->dossier_statut);
                $num_gest->addChild('dossier_chrono',$this->dossier_chrono);
                $commande->addChild('num_depot',$this->num_depot);
                //Date de cloture au format dd/MM/yyyy
                $commande->addChild('date_cloture', $this->date_cloture);
            }
            // Commande de documents : actes
            elseif ( $this->type_document=='AC' )
            {
                $num_gest = $commande->addChild('num_gest');
                $num_gest->addChild('greffe',$this->greffe);
                $num_gest->addChild('dossier_millesime',$this->dossier_millesime);
                $num_gest->addChild('dossier_statut',$this->dossier_statut);
                $num_gest->addChild('dossier_chrono',$this->dossier_chrono);
                $commande->addChild('num_depot',$this->num_depot);
                $liste_actes = $commande->addChild('liste_actes');
                $liste_actes->addChild('acte')->addAttribute('num', $this->num);
            }
        }

        //Set Command ID
        $commande->addChild('reference_client', $this->reference_client);

        $xml = str_replace('<?xml version="1.0"?>', '', $xml->asXML());

        $this->xml = $xml;
    }

    /**
     * Send XML Request
     * We have some problem to use SOAP so we use CURL
     * @throws Exception
     * @return string XML Response
     */
    protected function getProduitsXML()
    {
        $this->setXML();

        $req = $this->xml;

        if ($this->debug) {
            file_put_contents($this->type_document.'-'.$this->siren.'-'.$this->mode_diffusion.'.query', $this->xml);
        }

        //Create XML request
        $post = '<?xml version="1.0" encoding="UTF-8"?>'.
                '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" '.
                'xmlns:ns1="https://webservices.infogreffe.fr/" '.
                'xmlns:xsd="http://www.w3.org/2001/XMLSchema" '.
                'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '.
                'xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" '.
                'SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">'.
                '<SOAP-ENV:Body>'.
                '<ns1:getProduitsWebServicesXML>'.
                '<param0 xsi:type="xsd:string">'.$req.'</param0>'.
                '</ns1:getProduitsWebServicesXML>'.
                '</SOAP-ENV:Body>'.
                '</SOAP-ENV:Envelope>';

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->config->url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_COOKIEFILE,TRUE);
        curl_setopt($ch, CURLOPT_POST, TRUE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
        $response = curl_exec($ch);

        if ( curl_errno($ch) ) {
            throw new Exception( curl_error($ch) );
        }

        //Remove SOAP part of XML
        $response = str_replace("<?xml version='1.0' encoding='UTF-8'?><SOAP-ENV:Envelope xmlns:SOAP-ENV='http://schemas.xmlsoap.org/soap/envelope/' xmlns:SOAP-ENC='http://schemas.xmlsoap.org/soap/encoding/' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema'><SOAP-ENV:Body><ns0:getProduitsWebServicesXMLResponse xmlns:ns0='urn:local' SOAP-ENV:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/'><return xsi:type='xsd:string'>", '', $response);
        $response = str_replace('</return></ns0:getProduitsWebServicesXMLResponse></SOAP-ENV:Body></SOAP-ENV:Envelope>','', $response);

        if ($this->debug) {
            file_put_contents($this->type_document.'-'.$this->siren.'-'.$this->mode_diffusion.'.response', $response);
        }

        return $response;
    }
}