<?php
// declare(encoding='UTF-8');
/**
 * Service générant un PDF d'export des observations pour réaliser des étiquettes d'herbier.
 *
 * @internal   Mininum PHP version : 5.2
 * @category   CEL
 * @package    Services
 * @subpackage Export
 * @version    0.1
 * @author     Mathias CHOUET <mathias@tela-botanica.org>
 * @author     Jean-Pascal MILCENT <jpm@tela-botanica.org>
 * @author     Aurelien PERONNET <aurelien@tela-botanica.org>
 * @license    GPL v3 <http://www.gnu.org/licenses/gpl.txt>
 * @license    CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
 * @copyright  1999-2014 Tela Botanica <accueil@tela-botanica.org>
 */

/** Constante stockant l'URL de la page d'accueil de Photoflora.*/
define('EF_URL_PHOTOFLORA', 'http://photoflora.free.fr/');
/** Constante stockant l'URL de la page de Photoflora affichant toutes les images d'un taxon donn.es.*/
define('EF_URL_PHOTOFLORA_TAXON', EF_URL_PHOTOFLORA.'FiTax.php?NumTaxon=%s');
/** Constante stockant l'URL du dossier de photoflora contenant les images miniatures.*/
define('EF_URL_PHOTOFLORA_IMG_MIN', 'http://www.tela-botanica.org/~photoflo/photos/%s/min/%s');
/** Constante stockant l'URL du dossier de photoflora contenant les images normale.*/
define('EF_URL_PHOTOFLORA_IMG_MAX', 'http://www.tela-botanica.org/~photoflo/photos/%s/max/%s');
/** Constante stockant l'expression r.guli.re r.cup.rant l'abr.viation du photographe et le nom du fichier.*/
define('EF_URL_PHOTOFLORA_REGEXP', '/\/photos\/([^\/]+)\/max\/(.+)$/');
/** Constante stockant l'URL du service XML de Photoflora.*/
define('EF_URL_PHOTOFLORA_SERVICE', EF_URL_PHOTOFLORA.'ef_photoflora.php?nt=%s');

class InventoryPDF extends Cel  {

	var $extendPDFProductor;

	public function __construct($config) {
		parent::__construct($config);

		$this->config = $config;
		// Pas d'heritage multiple en php :(
		$this->extendPDFProductor = new PDFProductor();
		$this->extendPDFProductor->initPDF();
	}

	/**
	* uid[0] : utilisateur obligatoire
	* uid[1] : si absent : valeur 'all' (commune)
	* uid[2] : si absent : valeur 'all' (date)
	* uid[3] : si absent : valeur 'all' (recherche libre)
	* uid[4] : si absent : valeur 'all' (station)
	*/
	public function getElement($uid){
		// Controle detournement utilisateur
	 	$this->controleUtilisateur($uid[0]);

		if (!isset($uid[1]) || $uid[1] == '' || $uid[1] == 'all' ) {
			$uid[1] = 'all';
			$requete_location = '';
		} else {
			$requete_location = ' AND location= '.Cel::db()->proteger($uid[1]).' ';
		}

		if (!isset($uid[2]) || $uid[2] == '' || $uid[2] == 'all') {
			$uid[2] = 'all';
			$requete_date = '';
		} else {
			$requete_date = ' AND date_observation= '.Cel::db()->proteger($uid[2]).' ';
		}

		if (!isset($uid[3]) || $uid[3] == '' || $uid[3] == 'all') {
			$uid[3] = 'all';
			$requete_libre = '';
		} else {
			$requete_libre = ' AND (nom_sel LIKE '.Cel::db()->proteger('%'.$uid[3].'%').
						' OR nom_ret LIKE '.Cel::db()->proteger('%'.$uid[3].'%').
						' OR station LIKE '.Cel::db()->proteger('%'.$uid[3].'%').
						' OR commentaire LIKE '.Cel::db()->proteger('%'.$uid[3].'%');
		}

		if (!isset($uid[4]) || $uid[4] == '' || $uid[4] == 'all') {
			$uid[4] = 'all';
			$requete_station ='';
		} else {
			$requete_station = ' AND station= '.Cel::db()->proteger($uid[4]).' ';
		}

		$value = array();
		$requete = 'SELECT ce_utilisateur, ordre, nom_sel, nom_sel_nn, nom_ret, nom_ret_nn, nt, famille, zone_geo, date_observation, '.
			'station, commentaire, transmission '.
			'FROM cel_obs '.
			'WHERE ce_utilisateur = '.Cel::db()->proteger($uid[0]).' '.
			$requete_location.
			$requete_date.
			$requete_libre.
			$requete_station.' '.
			'ORDER BY ordre '.
			' -- '.__FILE__.':'.__LINE__;
		$resultat = Cel::db()->requeter($requete);

		$observations = array();;
		if (is_array($resultat)) {
			$observations = $resultat;
		}

		// Set up the pdf object.
		$pdf = &File_PDF::factory(array('orientation' => 'P', 'format' => 'A4'));
		// DesActivate compression.
		$pdf->setCompression(false);
		$pdf->setMargins(0, 0);
		// Enable automatic page breaks.
		$pdf->setAutoPageBreak(true);
		// Start the document.
		$pdf->open();
		// Start a page.
		$pdf->addPage();
		$pdf->setFont('Times', '' , 12);

		$i = 1;
		$tempfn = tempnam('', '');

		foreach ($observations as $obs) {
			// Denullifiage
			foreach($obs as $k=>$v) {
				if (($v == 'null') || ($v == '000null')) {
					$obs[$k] = '';
				} else {
					$obs[$k] = utf8_decode($v);
				}
			}

			if ($obs['date_observation'] != '0000-00-00 00:00:00') {
				list($year,$month,$day)= explode('-', $obs['date_observation']);
				list($day)= explode(' ', $day);
				$obs['date_observation'] = "$day/$month/$year";
			} else {
				$obs['date_observation'] = '00/00/0000';
			}

			$text = $obs['nom_sel']." ".$obs['nom_sel_nn']." ".$obs['nom_ret']." ".$obs['nom_ret_nn']." ".$obs['nt']." ".
				$obs['famille']." ".$obs['zone_geo']." ".$obs['ce_zone_geo']." ".$obs['date_observation']." ".$obs['station'];
				$obs['commentaire'];

			$pdf->write(10, $text."\n");

			$projet_photo = 'photoflora';
			$tab_retour[$projet_photo] = $this->analyserRdf(sprintf(EF_URL_PHOTOFLORA_SERVICE, $obs['nt']));
			$url_miniature = '';
			foreach ($tab_retour[$projet_photo] as $cle => $illustration) {
				if (preg_match(EF_URL_PHOTOFLORA_REGEXP, $illustration['about'], $match)) {
					$abreviation = $match[1];
					$fichier = $match[2];
					$url_miniature = sprintf(EF_URL_PHOTOFLORA_IMG_MIN, $abreviation, $fichier);;

					// Priorite aux images en png
					if (strstr($fichier, '.png')) {
						break;
					}
				}
			}

			if ($url_miniature != '') {
				list($debut,$ext)=explode('\.',basename($url_miniature));
				$temp = fopen($tempfn, 'w');
				$buf=file_get_contents($url_miniature);
				fwrite($temp,$buf);
				fclose($temp);
				$pdf->image($tempfn, 10, ($i*10), 0, 0, $ext);
			}
			$i++;
		}
		echo $pdf->output('Rapport');
	}

	private function analyserRdf($chemin) {
		$aso_info = array();
		$dom = new DOMDocument();
		$dom->validateOnParse = true;
		if (preg_match('/^http:\/\//', $chemin)) {
			$dom->loadXML(file_get_contents($chemin));
		} else {
			$dom->load($chemin);
		}

		$tab_infos = array();
		foreach ($dom->getElementsByTagNameNS('http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'Description') as $rdf_description) {
			$aso_info['about'] = $rdf_description->getAttribute('about');
			$aso_info['dc:identifier'] = $rdf_description->getAttribute('identifier');
			$aso_info['dc:title'] = utf8_decode($rdf_description->getAttribute('title'));
			$aso_info['dc:creator'] = utf8_decode($rdf_description->getAttribute('creator'));
			$aso_info['dc:contributor'] = utf8_decode($rdf_description->getAttribute('contributor'));
			$aso_info['dc:publisher'] = utf8_decode($rdf_description->getAttribute('publisher'));
			$aso_info['dc:type'] = utf8_decode($rdf_description->getAttribute('type'));
			$aso_info['dc:format'] = utf8_decode($rdf_description->getAttribute('format'));
			if (function_exists('date_default_timezone_set')) {
				date_default_timezone_set('Europe/Paris');
			}
			if (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/', $rdf_description->getAttribute('created'))) {
				$aso_info['dcterms:created'] = date('j-m-Y � H:i:s', strtotime($rdf_description->getAttribute('created')));
			} else {
				$aso_info['dcterms:created'] = $rdf_description->getAttribute('created');
			}
			$aso_info['dcterms:dateSubmitted'] = utf8_decode($rdf_description->getAttribute('dateSubmitted'));
			$aso_info['dcterms:spatial'] = utf8_decode($rdf_description->getAttribute('spatial'));
			$aso_info['dcterms:licence'] = utf8_decode($rdf_description->getAttribute('licence'));
			$tab_infos[$rdf_description->getAttribute('identifier')] = $aso_info;
		}
		return $tab_infos;
	}
}