<?php
/*=====================================================================*\
|| ###################################################################
|| # Bugdar
|| # Copyright (c)2020 Blue Static
|| # This program is free software; you can redistribute it and/or modify
|| # it under the terms of the GNU General Public License as published by
|| # the Free Software Foundation; version 2 of the License.
|| #
|| # This program is distributed in the hope that it will be useful, but
|| # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|| # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|| # more details.
|| #
|| # You should have received a copy of the GNU General Public License along
|| # with this program; if not, write to the Free Software Foundation, Inc.,
|| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|| ###################################################################
\*=====================================================================*/

define('NO_TEMPLATES', true);

require_once('./global.php');

$jobs = [
	'admin_session' => [
		'time'		=> 60 * 60 * 1.5,
		'function'	=> 'CronAdminSession',
	],
	'awaiting_email_confirmation' => [
		'time'		=> 60 * 60 * 24 * 3,
		'function'	=> 'CronPurgeInactiveUsers',
	],
];

// List of cron jobs to remove.
$remove = [];

$update_query = bugdar::$db->prepare("
	INSERT INTO " . TABLE_PREFIX . "cron
		(name, lastrun)
	VALUES
		(:name, :lastrun)
	ON DUPLICATE KEY
	UPDATE lastrun = :lastrun
");

// Filter the |$jobs| array, removing jobs that do not need to run.
$last_runs = bugdar::$db->query("SELECT * FROM " . TABLE_PREFIX . "cron");
while ($last_run = $last_runs->fetch()) {
	$name = $last_run['name'];
	if (!isset($jobs[$name])) {
		$remove[] = $name;
		continue;
	}

	$earliest_run_time = TIMENOW - $jobs[$name]['time'];
	if ($earliest_run_time < $last_run['lastrun']) {
		unset($jobs[$name]);
	}
}

// Run the jobs.
$jobs_run = 0;
foreach ($jobs as $name => $job) {
	require("./includes/cron/$name.php");
	$job['function']();

	$update_query->execute([
		'name' => $name,
		'lastrun' => TIMENOW,
	]);

	++$jobs_run;
}

// Remove stale jobs.
if (count($remove)) {
    $remove_query = bugdar::$db->prepare("DELETE FROM " . TABLE_PREFIX . "cron WHERE name = ?");
    foreach ($remove as $remove) {
		$remove_query->execute([ $remove ]);
    }
}

header('Content-Type: application/json');
echo '(' . json_encode([ 'jobsRun' => $jobs_run ]) . ')';