public function  get_appointment_info_by_day_v2() {
        header('Content-type: application/json');

        //Testing purposes
        // $_POST['doctor_id']  = '16166';
        // $_POST['date']  = '2019-02-25';
        // $_POST['selected_center_id']  = '468';
        // $_POST['selected_center_type']  = '2';

        $date = $_POST['date'];
        $selected_center_id = $_POST['selected_center_id'];
        $selected_center_type = $_POST['selected_center_type'];
        // $date = '2018-06-12';
        $day = date('w', strtotime($date));
        $doc_appointments = $this->webservice_model->get_all_appointments_by_doc_for_time_v2(
            $_POST['doctor_id'], $date, false, $selected_center_id, $selected_center_type);
        // $doc_appointments = $this->webservice_model->get_all_appointments_by_doc_for_time($_POST['doctor_id'], $date);
        ;




        $dc = $this->Doctor_Model->get_singledoctor_center($_POST['doctor_id'], $selected_center_id, $selected_center_type);
        $doc_working_time = json_decode($dc->working_hours);
        $doc_break_time = json_decode($dc->break_hours);
        $doc_vacation_time = json_decode($dc->vacation_days);
        $doc_paused_time = json_decode($dc->paused_time);
        // $doc_working_time = json_decode($this->webservice_model->get_singledoctor($_POST['doctor_id'])->working_time);
        $min_app_hours = !!$dc->min_app_hours ? $dc->min_app_hours: 0;
        $start_min_date = date("Y-m-d h:i A");
        $datek = strtotime($start_min_date ) + ($min_app_hours * 60 * 60) ;
        $end_min_date = date('Y-m-d h:i A', $datek);





        // print_r($doc_appointments);die();
        // print_r([$start_min_date ,$end_min_date]);die();
        $avgTime = $dc->appointment_avg_time*60;
        $getDay = function ($num) {
            return $num == 0 ?  "sun" :($num == 1 ?  "mon" :( $num == 2 ?  "tue" :( $num == 3 ?  "wed" :( $num == 4 ?  "thu" :( $num == 5 ?  "fri" :( $num == 6 ?  "sat" :( $num ))))))) ;
        };


        $range = $doc_working_time->{$getDay($day)};
        $range_break = $doc_break_time->{$getDay($day)};
        $unavaliable_hours = [];

        // print_r($range_break);die();

        foreach( $doc_appointments as $key => $value ) {
            $unavaliable_hours[$day][] = [
                'start'=> date("h:i A", strtotime($value->appointment_time )),
                // 'start'=> preg_replace('/\s+/', '', strtolower($value->appointment_time)),
                'end'=> date("h:i A", strtotime($value->end_time ))
                // 'end'=> preg_replace('/\s+/', '', strtolower($value->end_time))
            ];
        }
            //   print_r($unavaliable_hours);die();
        $st = $date . ' ' . $range->start;
        $en = $date . ' ' . $range->end;

        // print_r($en);die();
        $period = new DatePeriod(
            new DateTime($st),
            new DateInterval('PT'.$avgTime.'S'),
            new DateTime($en)
        );

        $isBetween = function ($a, $b, $date) {
            $date = new DateTime($date);

            // $begin_date = explode(" ", $a);
            // $end_date = explode(" ", $b);

            $t11 = strtotime($begin_date[1]);
            $begin_date[1] =  date("h:i A", $t11);
            $t12 = strtotime($end_date[1]);
            $end_date[1] =  date("h:i A", $t12);
          try   {
            $begin = new DateTime($a);
            // $begin = new DateTime(trim($begin_date[0]) . " " .  preg_replace('/[^A-Za-z0-9\:\s]/', '', trim($begin_date[1])));
            $end = new DateTime($b);
            // $end = new DateTime(trim($end_date[0]) . " " .  preg_replace('/[^A-Za-z0-9\:\s]/', '', trim($end_date[1])));
          } catch(\Exception $e) {
              return false;
            // return true;
          }
            return ($date->getTimestamp() >= $begin->getTimestamp() && $date->getTimestamp() <= ($end->getTimestamp() - 1));
        };


        $onVac = false;

        foreach ($doc_vacation_time->startdate as $k => $v ) {
            if ($isBetween($v , $doc_vacation_time->enddate[$k], $date)) {
                $onVac = true;
                break;
            }
        }
        $p = [];
        $p2 = [];
        if (!$onVac) { // if is not in vacation
            $hasUnavaliableHours = array_key_exists($day, $unavaliable_hours);
            foreach ($period as $key1 => $vvv) {
                $actual =   $date . ' ' . $vvv->format('h:i A');
                $actual2 =   $date . ' ' . $vvv->format('h:i A');
                $isUnavaliable = false;
                if ($hasUnavaliableHours) {
                    foreach($unavaliable_hours[$day] as $key => $hours) {
                        // print_r([$date . ' ' . $hours['start'], $date . ' ' . $hours['end'], $actual]);
                        if ($isBetween($date . ' ' . $hours['start'], $date . ' ' . $hours['end'], $actual) ) {
                            $isUnavaliable = true;
                            break;
                        }
                    }
                }
                if($isBetween(date("Y-m-d h:ia", strtotime($date . ' ' . $range_break->start)), date("Y-m-d h:ia", strtotime($date . ' ' . $range_break->end)), $actual2)) {
                    $isUnavaliable = true;
                }

                // print_r([$start_min_date, $end_min_date, $vvv->format('Y-m-d h:i A')]);
                // print_r($isBetween($start_min_date, $end_min_date, $vvv->format('Y-m-d h:i A')));

                // SIX HOUR RULE
                if ($isBetween($start_min_date, $end_min_date, $vvv->format('Y-m-d h:i A'))) {
                    $isUnavaliable = true;
                }
                // // DONT PERMIT TIME BEFORE NOW
                if (strtotime($start_min_date) > strtotime($vvv->format('Y-m-d h:i A'))) {
                    $isUnavaliable = true;
                }

                // PAUSED TIME
                foreach($doc_paused_time->startdate as $key__ => $hours__) {
                    if ($isBetween($hours__, $doc_paused_time->enddate[$key__], $actual2) ) {
                        $isUnavaliable = true;
                        break;
                    }
                }

                if (! $isUnavaliable) {
                    $p[] = $vvv->format('h:ia');
                    $p2[] = $vvv->format('h:i A');
                }
            }

        }
        // die();
        echo json_encode([
            'avaliable_hours_formathi_a' => $p2,
            'avaliable_hours' => $p,
            'onVacation' => $onVac,
            'avaliable_today' => (empty($p) ? false: true)
        ]);

        exit(0);
    }