<?php
/*
 * prepare statsgraph-form
 * $Id: statsgraphprepare.inc.php,v 1.3 2008-01-18 16:17:07 zerwes Exp $
 * package: traffstats
 * (c) Klaus Zerwes zero-sys.net
 */


$debug->filestart(__FILE__);


if(!isset($traffstats) || !is_a($traffstats, "traffstats")){
	die (__FILE__." requires object traffstats");
}


//$debug->debugarray($_SESSION, "SESSION_AT_STARTOF_".__FILE__);



// graph: how to handle sel
$handlearr = array(
		0 => $language->translate("select_separate"),
		1 => $language->translate("select_separateinverted"),
		2 => $language->translate("select_sumup"),
		3 => $language->translate("select_sumupinverted"),
		4 => $language->translate("select_ignore")
	);



if(!array_key_exists("statsgraph", $_SESSION)) {
	$_SESSION["statsgraph"] = array();
}

// POST data
$countstatsgraph = 0;
for($i=1; $i<=3; $i++){
	if(array_key_exists("s_".$i, $_REQUEST)) {
		$_SESSION["statsgraph"]["s_".$i] = $_REQUEST["s_".$i];
		$debug->msg("s_".$i." set to count ".count($_SESSION["statsgraph"]["s_".$i]));
	} else {
		if(count($_POST) > 0) {
			$_SESSION["statsgraph"]["s_".$i] = array();
		} else {
			if(!array_key_exists("s_".$i, $_SESSION["statsgraph"])) {
				$_SESSION["statsgraph"]["s_".$i] = array();
			}
		}
	}
	$countstatsgraph += count($_SESSION["statsgraph"]["s_".$i]);
	if(array_key_exists("h_".$i, $_REQUEST)) {
		$_SESSION["statsgraph"]["h_".$i] = $_REQUEST["h_".$i];
	} else {
		if(!array_key_exists("h_".$i, $_SESSION["statsgraph"])) {
			if($i == 1) {
				$_SESSION["statsgraph"]["h_".$i] = 0; // 0 means separate
			} else {
				$_SESSION["statsgraph"]["h_".$i] = count($handlearr)-1; // means ignore!
			}
		}
	}
	if($_SESSION["statsgraph"]["h_".$i] < 0) {
		$_SESSION["statsgraph"]["h_".$i] = count($handlearr)-1; // means ignore!
	}
}

//$debug->debugarray($_SESSION, "SESSION_AFTER_POSTPARSE_IN_".__FILE__);

// if selected ifaces have changed 
$ifaceschanged = false;
if(array_key_exists("traffstatsifaces", $_SESSION)) {
	if(count($_SESSION["traffstatsifaces"]) == $countstatsgraph) {
		$debug->msg("equal ifaces count: ".count($_SESSION["traffstatsifaces"])." == ".$countstatsgraph);
		for($i=1; $i<=3; $i++){
			$debug->msg("loop s_".$i." ...");
			foreach($_SESSION["statsgraph"]["s_".$i] as $ifacekey) {
				$debug->msg("iface $ifacekey ...");
				if(!in_array($ifacekey, $_SESSION["traffstatsifaces"])) {
					$ifaceschanged = true;
					$debug->msg("loop s_".$i." :: iface $ifacekey NOT FOUND!");
					break 2;
				}
			}
		}
	} else {
		$debug->msg("ifaces changed :: diff in count: ".count($_SESSION["traffstatsifaces"])." != ".$countstatsgraph);
		$ifaceschanged = true;
	}
}

$debug->msg("ifaces changed: ".core::bool2str($ifaceschanged));

if($ifaceschanged) {
	$_SESSION["statsgraph"]["s_1"] = $_SESSION["traffstatsifaces"];
	$_SESSION["statsgraph"]["s_2"] = array();
	$_SESSION["statsgraph"]["s_3"] = array();
}

unset($countstatsgraph);
unset($ifaceschanged);


//$debug->debugarray($_SESSION, "SESSION_AT_ENDOF_".__FILE__);

$debug->fileend(__FILE__);

?>