<?php

  class job_myjob {
    public $id = __CLASS__;
    public $name = 'My Fancy Background Job';
    public $description = '';
    public $author = 'ACME Inc.';
    public $version = '1.0';
    public $website = 'http://www.acme.com';
    public $priority = 0;
    
    public function process($force, $last_run) {
      
      if (empty($force)) {
      
      // Abort if the module is disabled
        if (empty($this->settings['status'])) return;

      // Abort if outside the window of working hours
        if (!empty($this->settings['working_hours'])) {
          $is_working_hours = false;
          foreach (preg_split('#\s*,\s*#', $this->settings['working_hours'], -1, PREG_SPLIT_NO_EMPTY) as $working_hours) {
            list($from_time, $to_time) = preg_split('#\s*-\s*#', $working_hours, -1, PREG_SPLIT_NO_EMPTY);
            if (time() > strtotime("Today $from_time") && time() < strtotime("Today $to_time")) {
              $is_working_hours = true;
              break;
            }
          }
          if (!$is_working_hours) return;
        }

      // Abort if the frequency for running the job is not met
        switch ($this->settings['frequency']) {

          case '5 min':
          case 'Quarter-Hourly':
            //if (strtotime($last_run) > strtotime('-5 minutes')) return;
            if (date('Ymdh', strtotime($last_run)) == date('Ymdh') && floor(date('i', strtotime($last_run))/12) == floor(date('i')/12)) return;
            break;
            
          case '10 min':
          case 'Quarter-Hourly':
            //if (strtotime($last_run) > strtotime('-10 minutes')) return;
            if (date('Ymdh', strtotime($last_run)) == date('Ymdh') && floor(date('i', strtotime($last_run))/6) == floor(date('i')/6)) return;
            break;


          case '15 min':
          case 'Quarter-Hourly':
            //if (strtotime($last_run) > strtotime('-15 minutes')) return;
            if (date('Ymdh', strtotime($last_run)) == date('Ymdh') && floor(date('i', strtotime($last_run))/4) == floor(date('i')/4)) return;
            break;

          case '30 min':
          case 'Half-Hourly':
            //if (strtotime($last_run) > strtotime('-30 minutes')) return;
            if (date('Ymdh', strtotime($last_run)) == date('Ymdh') && floor(date('i', strtotime($last_run))/2) == floor(date('i')/2)) return;
            break;

          case 'Hourly':
            //if (strtotime($last_run) > strtotime('-1 hours')) return;
            if (date('Ymdh', strtotime($last_run)) == date('Ymdh')) return;
            break;

          case '2 Hours':
            //if (strtotime($last_run) > strtotime('-2 hours')) return;
            if (date('Ymd', strtotime($last_run)) == date('Ymd') && floor(date('h', strtotime($last_run))/2) == floor(date('h'))/2) return;
            break;

          case '3 Hours':
            //if (strtotime($last_run) > strtotime('-3 hours')) return;
            if (date('Ymd', strtotime($last_run)) == date('Ymd') && floor(date('h', strtotime($last_run))/3) == floor(date('h')/3)) return;
            break;

          case '6 Hours':
            //if (strtotime($last_run) > strtotime('-6 hours')) return;
            if (date('Ymd', strtotime($last_run)) == date('Ymd') && floor(date('h', strtotime($last_run))/6) == floor(date('h')/6)) return;
            break;

          case '12 Hours':
            //if (strtotime($last_run) > strtotime('-12 hours')) return;
            if (date('Ymd', strtotime($last_run)) == date('Ymd') && floor(date('h', strtotime($last_run))/12) == floor(date('h')/12)) return;
            break;

          case 'Daily':
            //if (strtotime($last_run) > strtotime('-24 hours')) return;
            if (date('Ymd', strtotime($last_run)) == date('Ymd')) return;
            break;

          case 'Weekly':
            //if (strtotime($last_run) > strtotime('-1 week')) return;
            if (date('W', strtotime($last_run)) == date('W')) return;
            break;

          case 'Monthly':
            //if (strtotime($last_run) > strtotime('-1 month')) return;
            if (date('Ym', strtotime($last_run)) == date('Ym')) return;
            break;
            
          case 'Quarterly':
            //if (strtotime($last_run) > strtotime('-3 months')) return;
            if (date('Y', strtotime($last_run)) == date('Y') && ceil(date('m', strtotime($last_run))/3) == ceil(date('m')/3)) return;
            break;

          case 'Half-Yearly':
            //if (strtotime($last_run) > strtotime('-6 months')) return;
            if (date('Y', strtotime($last_run)) == date('Y') && ceil(date('m', strtotime($last_run))/6) == ceil(date('m')/6)) return;
            break;

          case 'Yearly':
            //if (strtotime($last_run) > strtotime('-1 year')) return;
            if (date('Y', strtotime($last_run)) == date('Y')) return;
            break;
        }
      }

    // Do a bunch of stuff
    // ...

      echo 'Output something to be seen in the log...' . PHP_EOL;
    }
    
    public function settings() {
      return [
        [
          'key' => 'status',
          'default_value' => '1',
          'title' => language::translate(__CLASS__.':title_status', 'Status'),
          'description' => language::translate(__CLASS__.':description_status', 'Enables or disables the module.'),
          'function' => 'toggle("e/d")',
        ],
        [
          'key' => 'frequency',
          'default_value' => 'Daily',
          'title' => language::translate(__CLASS__.':title_frequency', 'Frequency'),
          'description' => language::translate(__CLASS__.':description_frequency', 'How often this job should be processed.'),
          'function' => 'radio("Quarter-Hourly","Half-Hourly","Hourly","2 Hours","3 Hours","6 Hours","12 Hours","Daily","Weekly","Monthly","Quarterly","Half-Yearly","Yearly")',
        ],
        [
          'key' => 'working_hours',
          'default_value' => '07:00-21:00',
          'title' => language::translate(__CLASS__.':title_working_hours', 'Working Hours'),
          'description' => language::translate(__CLASS__.':description_working_hours', 'During what hours of the day the job would operate. Example: 07:00-12:00,13:00-21:00'),
          'function' => 'text()',
        ],
        [
          'key' => 'priority',
          'default_value' => '0',
          'title' => language::translate(__CLASS__.':title_priority', 'Priority'),
          'description' => language::translate(__CLASS__.':description_priority', 'Process this module in the given priority order.'),
          'function' => 'int()',
        ],
      ];
    }
    
    public function install() {
    }
    
    public function uninstall() {
    }
  }