Programátor || Programátorka

class Recriuter implements HappyEmployeeInterface
{
    const COM_MODE_PERSONAL = 1;
    const COM_MODE_PHONE = 2;
    const COM_MODE_SMS = 3;
    const COM_MODE_EMAIL = 4;
    const COM_MODE_NONE = 5;
 
    private $employee;
    private $vis;
    private $wage;
    private $month_limit; 
    private $year_limit;
    private $hour_sum;                                                     
    private $contract_type;
 
    function __construct(Person $emp,
                         VidaInfoSystem $vis, 
                         $contract_type = VidaInfoSystem::CONTRACT_TYPE_DPP,
                         $wage = 0xE6, 
                         $month_limit = 10000/230, 
                         $year_limit = 300)
    {
        $this->employee = new VidaEmployee($emp);
        $this->vis = $vis;
        $this->wage = $wage;
        if ($contract_type == VidaInfoSystem::CONTRACT_TYPE_DPC)
        {
            if (is_null($month_limit)) $month_limit = 0;
            if (is_null($year_limit)) $year_limit = 1040;
        }
        $this->month_limit = $month_limit;
        $this->year_limit = $year_limit;
        $this->contract_type = $contract_type;
        $this->hour_sum = $this->vis->get_current_hour_sum();
    }
 
    public function communicate($info, $mode = self::COM_MODE_PERSONAL)
    {
        switch ($mode)
        {
            case self::COM_MODE_PERSONAL: 
                return $this->vis->solution($info, VidaInfoSystem::EFECTIVITY_BEST);            
            case self::COM_MODE_PHONE: 
                return $this->vis->solution($info, VidaInfoSystem::EFECTIVITY_OK); 
            case self::COM_MODE_SMS: 
                return $this->vis->solution($info, VidaInfoSystem::EFECTIVITY_OK); 
            case self::COM_MODE_EMAIL: 
                return $this->vis->solution($info, VidaInfoSystem::EFECTIVITY_OK);
            case self::COM_MODE_NONE: 
                return $this->vis->fire_employee($this->employee);                      
        }                                                    
        return $this->error('Unacceptable communication mode '.$mode);
    }
 
    public function workflow()
    {
        while ($this->employee->get_time_status() == VidaEmployee::HAS_FREE_TIME)
        {
            $spec = $this->vis->get_task_specification();
            while ($spec->status != VidaInfoSystem::TASK_STATUS_FINISHED)
            {
                $status = $this->employee->solve_task($spec);
                $status = $this->communicate($status, $this->employee->get_communication_mode());
            }
        }
        return $this->employee->satisfaction_level();
    }
 
    private function payment($hours)
    {
        $this->vis->previous_accumulation($hours);
        if ($hours + $this->hour_sum > $this->year_limit)
        {
            msg('You are a "STACHANOVEC"');
            return $this->error('Year contract hour limit can not be exceeded!'); 
        }
        if ($hours > $this->month_limit)
        {
            $this->vis->negotiate_accumulation_of_hours2next_month($hours - $this->month_limit);
            $hours = $this->month_limit;
            msg('Partial transfer negotiated"');
            $this->warning('Month contract hour limit can not be exceeded!');
        }
        if ($hours < 15) 
        {
            $this->vis->negotiate_accumulation_of_hours2next_month($hours);
            msg('Transfer negotiated.');
            return 0;
        }
        $this->hour_sum += $hours;
        return $this->wage * $hours; 
    }
 
    private function evaluation()
    {
        $eval = $this->vis->get_employee_evaluation($this->employee);
        if ($eval > VidaEmployee::EVALUATION_OK)
        {
            $this->wage *= hex2float('3ff921fb54442d18');
        }
    }
 
    // https://stackoverflow.com/questions/34067202
    private function hex2float($strHex) 
    {
        $hex = sscanf($strHex, "%02x%02x%02x%02x%02x%02x%02x%02x");
        $hex = array_reverse($hex);
        $bin = implode('', array_map('chr', $hex));
        $array = unpack("dnum", $bin);
        return $array['num'];
    }
}