<?php
/**
 * Created by PhpStorm.
 * User: Steven
 * Date: 2016/9/20
 * Time: 14:20
 */

require_once __DIR__ . '/common.php';

class cancelOrder extends virtifyUsers
{
    public function cancel_order($runID, $busID, $station_start, $station_end, $orderID, $order_num)
    {
        //需要将内存中的订单号和乘客人数删除
        $mem = new Memcache();
        $mem->connect('127.0.0.1', 11211);
        $order_list = $mem->get("orderList[$runID]");
        //将该订单从订单池中移除
        if (!$order_list) {
            return false;
        }
        $current_bus_order_list = $order_list[$busID];
        foreach ($current_bus_order_list as $key => $value) {
            if ($key == $station_start) {  //更新上车点的订单列表和乘客人数
                $orderInfo = explode(",", $value);
                if ($orderInfo[1] == 0) {
                    //不存在该订单
                    //当前站点没有任何订单，所以查不到该订单
                    $data['code'] = 101;
                    $data['param'] = $runID . "||" . $busID . "||" . $station_start . "||" . $station_end . "||" . $orderID . "||" . $order_num;
                    $data['info'] = "上车点：当前站点没有任何订单，所以查不到该订单";
                    return $data;
                }
                $orderList = explode("|", $orderInfo[1]);
                if (count($orderList) == 1)  //说明该站点只有当前这一个订单
                {
                    if ($orderList[0] != $orderID) {
                        $data['code'] = 101;
                        $data['data']=$orderInfo;
                        $data['param'] = $runID . "||" . $busID . "||" . $station_start . "||" . $station_end . "||" . $orderID . "||" . $order_num;
                        $data['info'] = "上车点：当前站点只有一个订单，但不包含你要取消的订单";
                        return $data;
                    }
                    $current_bus_order_list[$station_start] = "1,0,0";
                } else {  //该站点的订单人数大于1
                    if (!in_array($orderID, $orderList)) {
                        //不存在该订单
                        $data['code'] = 101;
                        $data['param'] = $runID . "||" . $busID . "||" . $station_start . "||" . $station_end . "||" . $orderID . "||" . $order_num;
                        $data['info'] = "上车点：当前站点有多个订单，但不包含你要取消的订单";
                        return $data;
                    }
                    $re_order_list = "";
                    //将该订单从订单列表中移除
                    foreach ($orderList as $v) {
                        if ($v != $orderID) {
                            $re_order_list .= $v . "|";
                        }
                    }
                    $res = "1," . rtrim($re_order_list, '|') . "," . ($orderInfo[2] - $order_num);
                    $current_bus_order_list[$station_start] = $res;
                }
                $bus_list[$busID] = $current_bus_order_list;
                $mem->set("orderList[$runID]", $bus_list);
            } elseif ($key == $station_end)    //更新下车点的订单列表和乘客人数
            {
                $orderInfo = explode(",", $value);
                if ($orderInfo[1] == 0) {
                    $data['code'] = 101;
                    $data['param'] = $runID . "||" . $busID . "||" . $station_start . "||" . $station_end . "||" . $orderID . "||" . $order_num;
                    $data['info'] = "下车点：当前站点没有任何订单，所以查不到该订单";
                    return $data;
                }
                $orderList = explode("|", $orderInfo[1]);
                if (count($orderList) == 1)  //说明该站点只有当前这一个订单
                {
                    if ($orderList[0] != $orderID) {
                        $data['code'] = 101;
                        $data['param'] = $runID . "||" . $busID . "||" . $station_start . "||" . $station_end . "||" . $orderID . "||" . $order_num;
                        $data['data'] = $orderList[0];
                        $data['info'] = "下车点：当前站点只有一个订单，但不包含你要取消的订单";
                        return $data;
                    }
                    $current_bus_order_list[$station_end] = "-1,0,0";
                } else {  //该站点的订单数大于1
                    if (!in_array($orderID, $orderList)) {
                        //不存在该订单
                        $data['code'] = 101;
                        $data['param'] = $runID . "||" . $busID . "||" . $station_start . "||" . $station_end . "||" . $orderID . "||" . $order_num;
                        $data['info'] = "下车点：当前站点有多个订单，但不包含你要取消的订单";
                        return $data;
                    }
                    $re_order_list = "";
                    //将该订单从订单列表中移除
                    foreach ($orderList as $v) {
                        if ($v != $orderID) {
                            $re_order_list .= $v . "|";
                        }
                    }
                    $res = "-1," . rtrim($re_order_list, '|') . "," . 0;
                    $current_bus_order_list[$station_end] = $res;
                }
                $bus_list[$busID] = $current_bus_order_list;
                $mem->set("orderList[$runID]", $bus_list);
            } else {
            }
        }
        //将表run_bus_station_view中的订单信息删除
        $dt_order_list_start = "";  //上车站修改后的订单列表拼接字符串
        $dt_order_list_end = "";//下车站修改后的订单列表拼接字符串
        $total_order_list = "";   //总的站点订单列表
        $pdo = conn();
        $sql = "select order_id from run_bus_station_view where run_id=" . $runID . " AND bus_no=" . $busID;
        $result = $pdo->query($sql);
        $row = $result->fetchAll(PDO::FETCH_ASSOC);
        if (isset($row[0]['order_id'])) {
            $data_order_list = $row[0]['order_id'];
            $arr_order_list = explode(";", $data_order_list);
            $arr_start = explode("|", $arr_order_list[$station_start]);
            foreach ($arr_start as $v) {
                if ($v != $orderID) {
                    $dt_order_list_start .= $v . "|";
                }
            }
            $dt_order_list_start = rtrim($dt_order_list_start, '|');
            if ($dt_order_list_start == "")       //取消该订单后该站点无其他订单，将此处置为0
            {
                $dt_order_list_start = 0;
            }
            $arr_order_list[$station_start] = $dt_order_list_start;

            $arr_end = explode("|", $arr_order_list[$station_end]);
            foreach ($arr_end as $v) {
                if ($v != $orderID) {
                    $dt_order_list_end .= $v . "|";
                }
            }
            $dt_order_list_end = rtrim($dt_order_list_end, '|');
            if ($dt_order_list_end == "") {
                $dt_order_list_end = 0;
            }
            $arr_order_list[$station_end] = $dt_order_list_end;

            foreach ($arr_order_list as $v) {
                $total_order_list .= $v . ";";
            }
            $total_order_list = rtrim($total_order_list, ";"); //将最后一个‘;’移除

            $sql1 = "update run_bus_station_view set order_id='{$total_order_list}',update_time=NOW() where RUN_ID=$runID and bus_no=$busID";
            $result = $pdo->query($sql1);
            if (!$result) {
                $data['code'] = 102;
                $data['info'] = "更新run_bus_station_view失败：" . $sql1;
                return $data;
            } else {
                $data['code'] = 0;
                $data['info'] = "取消成功" . $sql1;
                return $data;
            }

        } else {
            $data['code'] = 103;
            $data['info'] = "查询失败：" . $sql;
            return $data;

        }
    }
}

/*$qa = new cancelOrder();
//$qa->cancel_order(612102, 1, $station_start, $station_end, $orderID = "", $order_num);
$qa->cancel_order(612102, 1, 3, 6, 111111, 1);*/