<?php

/**
 * Class App_Report_CronView
 * @method \App_Report_CronObj _getDataObj()
 */
class App_Report_CronView extends Qs_ViewController
{
    protected $_actions = array('noop', 'overdueNotification', 'clearOldReportLinks');

    protected $_settingsPrefix = 'reportOverdueEmail';
    protected $_sessionSavePath;

    protected function _doClearOldReportLinks()
    {
        $this->_destroySubDirsFrom(WWW_PATH . '/' . App_Report_Obj::REPORT_ACCESS_PATH);
        $this->_destroySubDirsFrom(BASE_PATH . '/tmp/' . App_Report_AdminObj::REPORT_ADMIN_ACCESS_PATH);
        $this->_removeOldArchive();
        exit;
    }

    protected function _destroySubDirsFrom($path)
    {
        foreach (scandir($path) as $dir) {
            if ($dir != '..'
                && $dir != '.'
                && $dir != '.htaccess'
                && $dir != '.htaccess_dev'
                && !$this->sessionExists($dir)) {
                $this->_destroyDir($path . '/' . $dir);
            }
        }
    }

    protected function _destroyDir($dir)
    {
        if (!is_dir($dir) || is_link($dir)) {
            return unlink($dir);
        }
        foreach (scandir($dir) as $file) {
            if ($file == '.' || $file == '..' || $file == '.htaccess') {
                continue;
            }
            if (!$this->_destroyDir($dir . DIRECTORY_SEPARATOR . $file)) {
                chmod($dir . DIRECTORY_SEPARATOR . $file, 0777);
                if (!$this->_destroyDir($dir . DIRECTORY_SEPARATOR . $file)) {
                    return false;
                }
            };
        }
        return rmdir($dir);
    }

    public function sessionExists($sessionId)
    {
        $file = $this->getSessionSavePath() . '/sess_' . $sessionId;
        return file_exists($file);
    }

    public function getSessionSavePath()
    {
        if (null === $this->_sessionSavePath) {
            $this->_sessionSavePath = session_save_path();
            if (empty($this->_sessionSavePath)) {
                $this->_sessionSavePath = sys_get_temp_dir();
            }
        }
        return $this->_sessionSavePath;
    }

    protected function _doNoop()
    {
        exit;
    }

    protected function _doOverdueNotification()
    {
        $result = array();

        $from = App_Settings_Obj::getEmailForm($this->_settingsPrefix . 'From');
        $subject = App_Settings_Obj::get($this->_settingsPrefix . 'Subject');
        $template = App_Settings_Obj::get($this->_settingsPrefix . 'Body');
        $link = Qs_SiteMap::findFirst(null, array('type' => 'Report_'), null, 'url');

        $notificationDataList = array();
        $notificationDataList['10'] = $this->_getDataObj()->getOverdueWithinXDayReports(10);
        $notificationDataList['0'] = $this->_getDataObj()->getOverdueTodayReports();
        $notificationDataList['-1'] = $this->_getDataObj()->getOverdueWithinXDayReports(-1);
        $notificationDataList['-5'] = $this->_getDataObj()->getOverdueWithinXDayReports(-5);
        $notificationDataList['-10'] = $this->_getDataObj()->getOverdueWithinXDayReports(-10);
        $notificationDataList['-30'] = $this->_getDataObj()->getOverdueWithinXDayReports(-30);

        foreach ($notificationDataList as $idx => $info) {
            if (empty($info)) {
                continue;
            }

            // IMED-119#comment=92-82943 - the reminders only start on July 1st
            if ($idx < 0 && date('md', strtotime($info['date'])) < '0701') {
                continue;
            }

            foreach ($info['list'] as $school) {
                if (empty($school['userList'])) {
                    continue;
                }

                $result[] = array(
                    'school'      => $school['schoolName'],
                    'reportCount' => count($school['list']),
                );

                $mailData = array(
                    '{date}'       => date('M j, Y'),
                    '{schoolName}' => $school['schoolName'],
                    '{count}'      => count($school['list']),
                    '{link}'       => $link ? $link : constant('BASE_URL'),
                );
                $mailData = array_map('htmlspecialchars', $mailData);
                $mailData['{list}'] = $this->_renderReportList($school['list']);
                $to = Qs_Array::fetchCol($school['userList'], 'email');
                $body = str_replace(array_keys($mailData), array_values($mailData), $template);
                $this->_sendMail(compact('from', 'to', 'subject', 'body'));
            }
        }

        echo json_encode($result);
        exit;
    }

    protected function _renderReportList(array $list)
    {
        $item = array(
            'list' => $list,
            'tpl'  => Qs_Sitemap::getTemplate('Report/notification-reports.tpl')
        );
        $this->_doc->assign('item', new Qs_Doc_Item($item));
        return $this->_doc->fetch($item['tpl']);
    }

    protected function _removeOldArchive()
    {
        // we need check all archive files like: archive-123.zip or archive-all.zip
        $pattern = sprintf(App_Report_Archive_View::REPORT_ARCHIVE_FILE_TPL, '*');
        $folder = constant('WWW_PATH') . '/' . Qs_ReportFile::REPORT_PATH . '/';
        if (false === ($files = glob($folder . $pattern, GLOB_NOSORT))) {
            return $this;
        }
        foreach ($files as $path) {
            if (file_exists($path) && ($mtime = filemtime($path)) && $mtime < time() - App_Report_Archive_Obj::ARCHIVE_TTL) {
                unlink($path);
            }
        }
        return $this;
    }

}