<?php
class Antrian extends MY_Controller
{
    function __construct()
    {
        parent::__construct();
    }

    function getAntrian()
    {
        try {
            $prm = $this->sys_input;
            $service_id = "service_id";
            if (isset($prm['service_id'])) {
                $service_id = trim($prm["service_id"]);
            }
            $service_code = "service_code";
            if (isset($prm['service_code'])) {
                $service_code = trim($prm["service_code"]);
            }
            $date = date("Y-m-d");
            // PERCOBAAN
            $this->db->trans_begin();
            $sql = "SELECT MAX(Q_QueueNumber ) as queueNumb 
                    FROM q_queue WHERE Q_QueueQ_ServiceID = ? 
                    AND DATE(Q_QueueCreated) = DATE(NOW()) FOR UPDATE";
            $qry = $this->db->query($sql, array($service_id));
            $last_qry = $this->db->last_query();
            if (!$qry) {
                $this->db->trans_rollback();
                $error = array(
                    "message" => $this->db->error()["message"],
                    "sql" => $last_qry
                );
                $this->sys_error_db($error);
                exit;
            }
            $inserted_id = 0;
            $rows = $qry->row_array();

            $sql_log = "INSERT INTO q_queuelog(
                        Q_QueueLogDate,
                        Q_QueueLogQ_StatusID,
                        Q_QueueLogQ_CounterID,
                        Q_QueueLogIsActive)
                        VALUES (NOW(), 1, 0,'Y')";
            $qry_log = $this->db->query($sql_log, array());
            $last_qry = $this->db->last_query();
            $inserted_id_log = $this->db->insert_id();
            if ($rows['queueNumb'] != NULL) {
                $number  = $rows['queueNumb'];
                $code = $number[0];
                $cd = str_split($number);

                $count = "";
                for ($i = 1; $i < count($cd); $i++) {
                    $count = $count . $cd[$i];
                }

                $count = $count + 1;
                $count = str_pad($count, 3, "0", STR_PAD_LEFT);

                $newNumber = $code . $count;
                $sql = "INSERT INTO q_queue (
                        Q_QueueNumber, 
                        Q_QueueStatusID, 
                        Q_QueueQ_QueueLogID,
                        Q_QueueQ_CounterID,
                        Q_QueueQ_ServiceID,
                        Q_QueueCreated,
                        Q_QueueLastUpdated)
                        VALUES(
                        ?, 1, ?, 0,?,NOW(), NOW())
                        ";
                $qry = $this->db->query($sql, array($newNumber, $inserted_id_log, $service_id));
                $last_qry = $this->db->last_query();
                $inserted_id = $this->db->insert_id();

                if (!$qry) {
                    $this->db->trans_rollback();
                    $error = array(
                        "message" => $this->db->error()["message"],
                        "sql" => $last_qry
                    );
                    $this->sys_error_db($error);
                    exit;
                }
            } else {
                $count = 0;
                $count = str_pad($count, 3, "0", STR_PAD_LEFT);
                $newNumber = $service_code . $count;
                $sql = "INSERT INTO q_queue (
                        Q_QueueNumber, 
                        Q_QueueStatusID, 
                        Q_QueueQ_QueueLogID,
                        Q_QueueQ_CounterID,
                        Q_QueueQ_ServiceID,
                        Q_QueueCreated,
                        Q_QueueLastUpdated)
                        VALUES(
                        ?, 1, ?, 0,?,NOW(), NOW())
                        ";
                $qry = $this->db->query($sql, array($newNumber, $inserted_id_log, $service_id));
                $last_qry = $this->db->last_query();
                $inserted_id = $this->db->insert_id();

                if (!$qry) {
                    $this->db->trans_rollback();
                    $error = array(
                        "message" => $this->db->error()["message"],
                        "sql" => $last_qry
                    );
                    $this->sys_error_db($error);
                    exit;
                }
            }

            $sql_val = "SELECT Q_QueueNumber AS number 
                        FROM q_queue 
                        WHERE  Q_QueueID = ?";
            $qry_val = $this->db->query($sql_val, array($inserted_id));
            $last_qry = $this->db->last_query();
            $value = $qry_val->row_array();

            if ($this->db->trans_status() === FALSE) {
                $this->db->trans_rollback();
                $error = array(
                    "message" => $this->db->error()["message"],
                    "sql" => $last_qry
                );
                $this->sys_error_db($error);
            } else {

                $this->db->trans_commit();
                $result = array(
                    "inserted_id" => $inserted_id,
                    "number" => $value['number'],
                );
                $this->sys_ok($result);
            }
            // END PERCOBAAN
        } catch (Exception $exc) {
            $message = $exc->getMessage();
            $this->sys_error($message);
        }
    }
}