<?php

class CronRunner {

    static private function handlePeriod($period) {
        switch($period) {
            case "hourly":
                // XXX Disabled, not needed right now
                //self::hourlyRunner();
            break;
            case "daily":
                self::dailyRunner();
            break;
        }
    }

    static public function run($period) {
        $allowed_periods = array('hourly','daily');

        if (!in_array($period, $allowed_periods)) {
            return false;
        }

        return self::handlePeriod($period);
    }

    /* Periodic runner methods */
    static private function dailyRunner() {
        global $Dippler;
        $runnable = true;
        $now = time();
        $previous_run = (int)$Dippler->getSetting('daily_cron_previous_run');
        // Check if there is even a reason to run this
        if ($previous_run) {
            // Using (Day - Hour) as a check, timing could be imperfect
            if (($now - $previous_run) < 82800) {
                $runnable = false;
            }
        }
        if ($runnable) {
            // Update last run time
            $setting = new Setting("daily_cron_previous_run");
            $setting->updateValue($now);
            // Run methods
            self::dailyWaitingApproval();
            return true;
        }
        return false;
    }

    static private function hourlyRunner() {
        global $Dippler;
        $runnable = true;
        $now = time();
        $previous_run = (int)$Dippler->getSetting('hourly_cron_previous_run');
        // Check if there is even a reason to run this
        if ($previous_run) {
            // Using (Hour - 5 Minutes) as a check, timing could be imperfect
            if (($now - $previous_run) < 3300) {
                $runnable = false;
            }
        }
        if ($runnable) {
            // Update last run time
            $setting = new Setting("hourly_cron_previous_run");
            $setting->updateValue($now);
            // Run methods
            return true;
        }
        return false;
    }


    /* Runnable functionalities */
    static private function dailyWaitingApproval() {
        global $Dippler;
        $unapproved_count = $Dippler->backoffice->getOrganizationUnapprovedUsersCount();
        if ($unapproved_count) {
            $administrators = $Dippler->listAdminsFull();
            if (is_array($administrators) && sizeof($administrators) > 0) {
                Mailer::sendWaitingApproval($unapproved_count, $administrators);
            }
        }
    }
}