<?php
/**
 * cron.php
 * @package workflow-engine-bin
 */

if ( !defined('PATH_SEP') ) {
    define("PATH_SEP", (substr(PHP_OS, 0, 3) == "WIN")? "\\" : "/");
}

$docuroot = explode(PATH_SEP, str_replace('engine' . PATH_SEP . 'methods' . PATH_SEP . 'services', '', dirname(__FILE__)));
array_pop($docuroot);
array_pop($docuroot);
$pathhome = implode(PATH_SEP, $docuroot) . PATH_SEP;
//try to find automatically the trunk directory where are placed the RBAC and Gulliver directories
//in a normal installation you don't need to change it.
array_pop($docuroot);
$pathTrunk = implode(PATH_SEP, $docuroot) . PATH_SEP ;
array_pop($docuroot);
$pathOutTrunk = implode( PATH_SEP, $docuroot) . PATH_SEP ;
// to do: check previous algorith for Windows  $pathTrunk = "c:/home/";
define('PATH_HOME',     $pathhome);
define('PATH_TRUNK',    $pathTrunk);
define('PATH_OUTTRUNK', $pathOutTrunk);

require_once PATH_TRUNK . "framework/src/Maveriks/Util/ClassLoader.php";
require_once (PATH_HOME . 'engine' . PATH_SEP . 'config' . PATH_SEP . 'paths.php');
require_once PATH_CORE . 'classes' . PATH_SEP . 'class.system.php';

$config = System::getSystemConfiguration();

$e_all  = defined('E_DEPRECATED') ? E_ALL  & ~E_DEPRECATED : E_ALL;
$e_all  = defined('E_STRICT')     ? $e_all & ~E_STRICT     : $e_all;
$e_all  = $config['debug']        ? $e_all                 : $e_all & ~E_NOTICE;

G::LoadSystem('inputfilter');
$filter = new InputFilter();
$config['debug'] = $filter->validateInput($config['debug']);
$config['memory_limit'] = $filter->validateInput($config['memory_limit']);
$config['wsdl_cache'] = $filter->validateInput($config['wsdl_cache'],'int');
$config['time_zone'] = $filter->validateInput($config['time_zone']);
// Do not change any of these settings directly, use env.ini instead
ini_set('display_errors', $config['debug']);
ini_set('error_reporting', $e_all);
ini_set('short_open_tag', 'On');
ini_set('default_charset', "UTF-8");
ini_set('memory_limit', $config['memory_limit']);
ini_set('soap.wsdl_cache_enabled', $config['wsdl_cache']);
ini_set('date.timezone', $config['time_zone']);

define ('DEBUG_SQL_LOG', $config['debug_sql']);
define ('DEBUG_TIME_LOG', $config['debug_time']);
define ('DEBUG_CALENDAR_LOG', $config['debug_calendar']);
define ('MEMCACHED_ENABLED',  $config['memcached']);
define ('MEMCACHED_SERVER',   $config['memcached_server']);
define ('TIME_ZONE', $config['time_zone']);

//Cron status
$bCronIsRunning = false;
$sLastExecution = null;
$processcTimeProcess = 0;
$processcTimeStart   = 0;

$force = false;
$osIsLinux = strtoupper(substr(PHP_OS, 0, 3)) != "WIN";

for ($i = 1; $i <= count($argv) - 1; $i++) {
    if (strpos($argv[$i], "+force") !== false) {
        $force = true;
        unset($argv[$i]);
        break;
    }
}

if (!$force && file_exists(PATH_DATA . "cron")) {
    //Windows flag
    //Get data of cron file
    $arrayCron = unserialize(trim(file_get_contents(PATH_DATA . "cron")));

    $bCronIsRunning = (boolean)($arrayCron["bCronIsRunning"]);
    $sLastExecution = $arrayCron["sLastExecution"];
    $processcTimeProcess = (isset($arrayCron["processcTimeProcess"]))? (int)($arrayCron["processcTimeProcess"]) : 10; //Minutes
    $processcTimeStart   = (isset($arrayCron["processcTimeStart"]))? $arrayCron["processcTimeStart"] : 0;
}

if (!$force && $osIsLinux) {
    //Linux flag
    //Check if cron it's running
    exec("ps -fea | grep cron.php | grep -v grep", $arrayOutput);

    if (count($arrayOutput) > 1) {
        $bCronIsRunning = true;
    }
}

//if (!$force && $bCronIsRunning && $processcTimeStart != 0) {
//    if ((time() - $processcTimeStart) > ($processcTimeProcess * 60)) {
//        //Cron finished his execution for some reason
//        $bCronIsRunning = false;
//    }
//}

if ($force || !$bCronIsRunning) {
    //Start cron
    $arrayCron = array("bCronIsRunning" => "1", "sLastExecution" => date("Y-m-d H:i:s"));
    @file_put_contents(PATH_DATA . "cron", serialize($arrayCron));

    try {
        //Data
        $ws    = null;
        $argsx = null;
        $sDate = null;
        $dateSystem = date("Y-m-d H:i:s");

        for ($i = 1; $i <= count($argv) - 1; $i++) {
            if (!isset($argv[$i])) {
                continue;
            }

            if (strpos($argv[$i], "+d") !== false) {
                $sDate = substr($argv[$i],2);
            } else {
                if (strpos($argv[$i], "+w") !== false) {
                    $ws = substr($argv[$i], 2);
                } else {
                    $argsx = $argsx . " " . $argv[$i];
                }
            }
        }

        //If $sDate is not set, so take the system time
        if (!empty($sDate) && preg_match("/^[1-9]\d{3}\-(?:0[1-9]|1[0-2])\-(?:0[1-9]|[12][0-9]|3[01])(?:\s(?:[0-1]\d|2[0-3])\:[0-5]\d\:[0-5]\d)?$/", $sDate)) {
            eprintln("[Applying date filter: $sDate]");
        } else {
            $sDate = $dateSystem;
        }

        if ($ws == null) {
            $oDirectory = dir(PATH_DB);
            $cws = 0;

            while (($sObject = $oDirectory->read()) !== false) {
                if (($sObject != ".") && ($sObject != "..")) {
                    if (is_dir(PATH_DB . $sObject)) {
                        if (file_exists(PATH_DB . $sObject . PATH_SEP . "db.php")) {
                            $cws = $cws + 1;

                            system("php -f \"" . dirname(__FILE__) . PATH_SEP . "cron_single.php\" $sObject \"$sDate\" \"$dateSystem\" $argsx", $retval);
                        }
                    }
                }
            }
        } else {
            if (!is_dir(PATH_DB . $ws) || !file_exists(PATH_DB . $ws . PATH_SEP . "db.php")) {
                throw new Exception("Error: The workspace \"$ws\" does not exist");
            }

            $cws = 1;

            system("php -f \"" . dirname(__FILE__) . PATH_SEP . "cron_single.php\" $ws \"$sDate\" \"$dateSystem\" $argsx", $retval);
        }

        eprintln("Finished $cws workspaces processed.");
    } catch (Exception $e) {
        eprintln("Has produced the following error:", "red");
        eprintln("* " . $e->getMessage());
        eprintln("[DONE]", "green");
    }

    //End cron
    $arrayCron = array("bCronIsRunning" => "0", "sLastExecution" => date("Y-m-d H:i:s"));
    @file_put_contents(PATH_DATA . "cron", serialize($arrayCron));
} else {
    eprintln("The cron is running, please wait for it to finish.\nStarted in $sLastExecution");
    eprintln("If do you want force the execution use the option '+force', example: php -f +wworkflow +force" ,"green");
}