<?php

//session_start();
include 'dbConnect.php';
function loginaction(){
    include 'dbConnect.php';
    $time = time();

    if(isset($_REQUEST['login'])){
    //if(isset($_GET['Key'])){
        //$myusername = $_GET['operator_id'];
        $key = $_REQUEST['telegram_key'];
        $username=$_REQUEST['user'];
        $password=$_REQUEST['pass'];


        $query = $db->prepare("SELECT operators.operator_id, telegramlog.telegram_key FROM
         telegramlog LEFT JOIN operators ON telegramlog.operator_id = operators.operator_id WHERE telegramlog.telegram_key = ? ;");
        $query->execute(array($key));
        $result = $query->fetchAll();

        $squery = $db->prepare("SELECT * FROM operators WHERE email = ? and heslo = ?;");
        $sResult = $squery->execute(array($username,$password));


       // function generateRandomString($length) {
        //    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
          //  $charactersLength = strlen($characters);
            // $randomString = '';

            //for ($i = 0; $i < $length; $i++) {
              //  $randomString .= $characters[rand(0, $charactersLength - 1)];
           // }
            //return $randomString;
       // }
        $json = json_decode($json);
        if($result){
            header('location: user.php');
        }
        elseif($sResult){
            while($row = $squery ->fetch(PDO::FETCH_ASSOC)){
                echo '<script type="text/javascript">alert("You are logged in as user '. $row['users'] . '")</script>';

               if($row['users']=="a"){
                    header('location: admin.php');
                }
                elseif($row['users']=="b"){
                    header('location: leader.php');
                }
                elseif($row['users']=="c"){
                    header('location: user.php');
                }
                else {
                    echo 'no result';
                }
            }
        }
        else{
            echo ' no result';
        }
    }
    else if($_SERVER['REQUEST_METHOD'] == 'POST'){
        if(isset($_GET['token'])) {

            if ($_GET['token'] == "yes") {

                $newtoken = generateRandomString();
                $time = (time()) + 61;
                $pquery= $db ->prepare ("UPDATE telegramlog SET telegram_key = ? and key_time = ?   WHERE ;");
                $presult = $pquery ->execute (array($newtoken, $time));
            }
        }
    }
}
function generateRandomString($length) {
    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $charactersLength = strlen($characters);
    $randomString = '';

    for ($i = 0; $i < $length; $i++) {
        $randomString .= $characters[rand(0, $charactersLength - 1)];
    }
    return $randomString;
}

loginaction();
?>