#!/usr/bin/env php
<?php

require_once(dirname(__FILE__).'/lib/lib_sel.php');

$shortopts = '';
$shortopts .= 's:';
$shortopts .= 'n:';
$shortopts .= 'g:';
$shortopts .= 't:';
$shortopts .= 'l:';
$shortopts .= 'h';

$longopts = array(
	'hostname:',
	'port:',
	'help',
	'sciper:',
	'type:',
	'limit:',
	'givenname:',
	'name:',
	);

$options = getopt($shortopts, $longopts);

if (empty($options) or array_key_exists('h', $options) or array_key_exists('help', $options)) {
	echo "USAGE: ".basename(__FILE__)." [parameters (see below)]

\tSearch parameters (one of):
\t\t-g|--givenname \"given name to search\"
\t\t-n|--name \"surname to search\"
\t\t-s|--sciper sciper

\tOther parameters:
\t\t--hostname ldap.epfl.ch (for LDAP)
\t\t--port 389 (for LDAP)
\t\t-t|--type student|staff (type of entries to retreive)
\t\t-l|--limit 50 (maximum number of entries to retreive)

\tHelp:
\t\t-h|--help\n\n";
	echo "e.g.: ".basename(__FILE__)." --sciper 253705\n";
	echo "e.g.: ".basename(__FILE__)." --hostname localhost --port 1389 --name \"valles\""."\n\n";
	echo "'".basename(__FILE__)."' stands for 'Search EPFL LDAP'.\n";
	echo "'".basename(__FILE__)."' retreives informations from EPFL's LDAP.\n";
	echo "This tools is designed to verify students lists for exams.\n";
	echo "See also 'check-scpiers'.\n";
	exit;
}

$hostname = null;
$port = null;
if (!empty($options['hostname'])) $hostname = $options['hostname'];
if (!empty($options['port'])) $port = $options['port'];

$limit = 50;
if (!empty($options['l']) or !empty($options['limit'])) $limit = empty($options['l']) ? $options['limit'] : $options['l'];

$LDAP = new EPFL_LDAP($hostname, $port);
$Exporter = new Exporter();

if (!empty($options['s']) or !empty($options['sciper'])) {
	$sciper = empty($options['s']) ? $options['sciper'] : $options['s'];
	$type = null; 
	if (!empty($options['t']) or !empty($options['type'])) $type = empty($options['t']) ? $options['type'] : $options['t'];
	try {
		$LDAP->find_by_sciper($sciper, $type, $limit);
	} catch (Exception $e) {
	}
} else {
	$entries = null;
	if (!empty($options['g']) or !empty($options['givenname'])) {
		$name = empty($options['g']) ? $options['givenname'] : $options['n'];
		try {
			$LDAP->find_by_givenname($name, $limit);
		} catch (Exception $e) {
			$entries = null;
		}
	} elseif (!empty($options['n']) or !empty($options['name'])) {
		$name = empty($options['n']) ? $options['name'] : $options['n'];
		try {
			$LDAP->find_by_surname($name, $limit);
		} catch (Exception $e) {
			$entries = null;
		}
	}
}

$entries = $LDAP->get_entries();
if (!is_null($entries)) {
	foreach ($entries as $entry) $Exporter->to_bash($entry);
} else {
	$Exporter->to_bash(array('found' => 0));
}

?>