<?php
header("Content-Type: text/html; charset=utf-8");
date_default_timezone_set('PRC');
require_once __DIR__ . '/configure.php';

$username = $_GET['username'];
$price = $_GET['price'];
$plan = $_GET['plan'];
$time = $_GET['time'];

if(isset($username)) {
    $db = new Connect;
    $data = $db->prepare("select * from vpnuser where vuser='".$username."'");
    $data->execute();
    $row = $data->fetch(PDO::FETCH_ASSOC);

    if (empty($row)){
        echo json_encode([
            "status" => 401,
            "message" => "Account doesn't exist",
        ]);
        return;
    } else{
        $group = "BY";
        $hyid = "2";
        $speed = "1024";
        if($plan == "discount") {
            $hyid = "2";
            $speed = "1024";
        } else if($plan == "basic") {
            $hyid = "3";
            $speed = "1024";
        } else if($plan == "premium") {
            $hyid = "4";
            $speed = "2048";
        } else {
            $hyid = "5";
            $speed = "4096";
        }

        $months = "+1 month";
        if($time == "1month") {
            $months = "+1 month";
        } else if($time == "3month") {
            $months = "+3 months";
        } else if($time == "6month") {
            $months = "+6 months";
        } else {
            $months = "+1 year";
        }

        if($row['groups'] == 'LL') {
            $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months))
                ."', hyid = '".$hyid
                ."', groups = '".$group
                ."', updk = '".$speed
                ."', downdk = '".$speed
                ."', flow = 0 where vuser='".$username."'");
            $data->execute();
        } else {
            if (date("Y-m-d H:i:s", strtotime($row['lastdate'])) <= date("Y-m-d H:i:s" )) {
                $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months))
                    ."', hyid = '".$hyid
                    ."', groups = '".$group
                    ."', updk = '".$speed
                    ."', downdk = '".$speed
                    ."', flow = 0 where vuser='".$username."'");
                $data->execute();
            } else {
                if($hyid == 2 | $hyid == 3) {
                    if($row['hyid'] == 2 | $hyid == 3) {
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months, strtotime($row['lastdate'])))
                            ."', hyid = '".$hyid
                            ."', groups = '".$group
                            ."', updk = '".$speed
                            ."', downdk = '".$speed
                            ."', flow = 0 where vuser='".$username."'");
                        $data->execute();
                    } else {
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months))
                            ."', hyid = '".$hyid
                            ."', groups = '".$group
                            ."', updk = '".$speed
                            ."', downdk = '".$speed
                            ."', flow = 0 where vuser='".$username."'");
                        $data->execute();

                        $newData = $db->prepare("select * from vpnuser where vuser='".$username."'");
                        $newData->execute();
                        $new = $newData->fetch(PDO::FETCH_ASSOC);

                        $now = time(); // or your date as well
                        $expire = strtotime($row['lastdate']);
                        $datediff = $expire - $now;
                        $days = round($datediff / (60 * 60 * 24));
                        $money = 0;
                        if($row['hyid'] == 4)
                            $money = ($days / 30) * 32;
                        else if($row['hyid'] == 5)
                            $money = ($days / 30) * 64;
                        $plusDays = round($money / (64 / 30));
                        $plusStr = "+1 day";
                        if($plusDays > 1) {
                            $plusStr = "+".$plusDays." days";
                        }
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($plusStr, strtotime($new['lastdate'])))
                            ."' where vuser='".$username."'");
                        $data->execute();
                    }
                } else if($hyid == 4) {
                    if($row['hyid'] == 4) {
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months, strtotime($row['lastdate'])))
                            ."', hyid = '".$hyid
                            ."', groups = '".$group
                            ."', updk = '".$speed
                            ."', downdk = '".$speed
                            ."', flow = 0 where vuser='".$username."'");
                        $data->execute();
                    } else {
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months))
                            ."', hyid = '".$hyid
                            ."', groups = '".$group
                            ."', updk = '".$speed
                            ."', downdk = '".$speed
                            ."', flow = 0 where vuser='".$username."'");
                        $data->execute();

                        $newData = $db->prepare("select * from vpnuser where vuser='".$username."'");
                        $newData->execute();
                        $new = $newData->fetch(PDO::FETCH_ASSOC);

                        $now = time(); // or your date as well
                        $expire = strtotime($row['lastdate']);
                        $datediff = $expire - $now;
                        $days = round($datediff / (60 * 60 * 24));
                        $money = 0.0;
                        if($row['hyid'] == 2 | $row['hyid'] == 3) {
                            $money = ($days / 30) * 16;
                        } else if($row['hyid'] == 4) {
                            $money = ($days / 30) * 32;
                        }
                        $plusDays = round($money / (32 / 30));
                        $plusStr = "+1 day";
                        if($plusDays > 1) {
                            $plusStr = "+".$plusDays." days";
                        }

                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($plusStr, strtotime($new['lastdate'])))
                            ."' where vuser='".$username."'");
                        $data->execute();
                    }
                } else if($hyid == 5) {
                    if($row['hyid'] == 5) {
                        $data = $db->prepare("update vpnuser set lastdate = '" . date("Y-m-d H:i:s", strtotime($months, strtotime($row['lastdate'])))
                            . "', hyid = '" . $hyid
                            . "', groups = '" . $group
                            . "', updk = '" . $speed
                            . "', downdk = '" . $speed
                            . "', flow = 0 where vuser='" . $username . "'");
                        $data->execute();
                    } else {
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($months))
                            ."', hyid = '".$hyid
                            ."', groups = '".$group
                            ."', updk = '".$speed
                            ."', downdk = '".$speed
                            ."', flow = 0 where vuser='".$username."'");
                        $data->execute();

                        $newData = $db->prepare("select * from vpnuser where vuser='".$username."'");
                        $newData->execute();
                        $new = $newData->fetch(PDO::FETCH_ASSOC);

                        $now = time(); // or your date as well
                        $expire = strtotime($row['lastdate']);
                        $datediff = $expire - $now;
                        $days = round($datediff / (60 * 60 * 24));
                        $money = 0.0;
                        if($row['hyid'] == 4)
                            $money = ($days / 30) * 32;
                        else if($row['hyid'] == 5)
                            $money = ($days / 30) * 64;
                        else if($row['hyid'] == 2 | $row['hyid'] == 3)
                            $money = ($days / 30) * 16;
                        $plusDays = round($money / (64 / 30));
                        $plusStr = "+1 day";
                        if($plusDays > 1) {
                            $plusStr = "+".$plusDays." days";
                        }
                        $data = $db->prepare("update vpnuser set lastdate = '".date("Y-m-d H:i:s", strtotime($plusStr, strtotime($new['lastdate'])))
                            ."' where vuser='".$username."'");
                        $data->execute();
                    }
                }
            }
        }

        $newData = $db->prepare("select * from vpnuser where vuser='".$username."'");
        $newData->execute();
        $new = $newData->fetch(PDO::FETCH_ASSOC);

        echo json_encode([
            "status" => 200,
            "data" => $new
        ]);
    }
} else {
    echo json_encode([
        "status" => 401,
        "message" => "Email, password are required!",
    ]);
    return;
}
?>