<?php 
defined('C5_EXECUTE') or die('Access Denied.');

class MaintenanceEditor {

	public static $use_custom_maintenance_page;
	public static $custom_maintenance_page;
	public static $access_allow_with_edit_permissions;
	public static $access_allow_specific_group;
	public static $access_group;
	public static $access_allow_registration;

	public function checkForMaintenance($view) {
		$pkg = Package::getByHandle('maintenance_editor');
		if($pkg->config('MAINTENANCE_EDITOR_ENABLED')) {
			global $_maintenance_loop_run;
			$user = new User;
			$page = Page::getCurrentPage();
			$perms = new Permissions($page);
			$user = new User();
			$me = new MaintenanceEditor;
			$me->load();
			/* checks */
			if($page->isAdminArea())
				return true;
			if($page->getCollectionPath() == '/login')
				return true;
			if($me->access_allow_registration &&
				$page->getCollectionPath() == '/register')
					return true;
			if($me->access_allow_with_edit_permissions &&
				$perms->canWrite())
					return true;
			if($me->access_allow_specific_group) {
				$group = Group::getByID($me->access_group);
				if(
					$user->inGroup($group)
					||
					(
						$group->getGroupName() === 'Registered Users'
						&&
						$user->isRegistered()
					)
				) {
					return true;
				}
			}
			if(empty($_maintenance_loop_run)) {
				$_maintenance_loop_run = true;
				if($me->use_custom_maintenance_page) {
					$maintenance_page_id = $me->custom_maintenance_page;
					$maintenance_page = Page::getByID($me->custom_maintenance_page);

					if(
						$maintenance_page->isError()
						||
						!$maintenance_page->isActive()
					) {
						Log::addEntry(
							t('Error: Custom maintenance page not found'),
							'maintenance_editor'
						);
						$view->render('/maintenance_mode/');
					}

					$page = Page::getCurrentPage();
					$page_id = $page->getCollectionID();

					if($page_id == $maintenance_page_id) {
						$view->render($page);
					}
					header('HTTP/1.1 503 Service Unavailable');
					header('Location: ' . View::url($maintenance_page->getCollectionPath()));
				} else {
					$view->render('/maintenance_mode/');
				}
				exit;
			}
		}
	}

	public function save() {
		$db = Loader::db();
		foreach($this as $key => $val) {
			$db->Execute("INSERT INTO PackageMaintenanceEditor (id, $key) VALUES (1, '?') ON DUPLICATE KEY UPDATE id=1,$key='?'", array($val, $val));
		}
	}

	public function load() {
		$db = Loader::db();
		$fields = $db->GetRow("SELECT * FROM PackageMaintenanceEditor");
		foreach($fields as $key => $val) {
			$this->{$key} = $val;
		}
	}

}