<?php

// Ausgewählte Elemente aus der Session holen
$selected_items = $_SESSION["selected-items"];

// Testen, ob vollständig
if(empty($meta) || empty($selected_items) )
{
  die();
}

// Prüfen, ob ID der neuen Liste stimmt
$sql = "SELECT `path` FROM `VokabelBox2Content` WHERE `type` = 'list' AND `path` LIKE '$userid/%/'AND `id` = '$meta'";
$result_articles = $conn->query($sql);
if(!mysqli_num_rows($result_articles))
{
  die();
}


$selected_items = explode("-", $selected_items);


$i = 0;
foreach($selected_items as $selected_item) {

  if($selected_item != '') {

    $sql = "SELECT `value` FROM `VokabelBox2Content` WHERE `type` = 'voc' AND `path` = '$userid/lang/$list/' AND `id` = '$selected_item'";
    $result_articles = $conn->query($sql);
    if(mysqli_num_rows($result_articles))
    {
      while ($articleDb = mysqli_fetch_object($result_articles))
      {


      $voc = json_decode($articleDb->value, true);

      }



      $value_new[0]['1'] = $voc[0]['1'];
      $value_new[0]['2'] = $voc[0]['2'];
      $value_new[0]['progress'] = '0';



      $value_new_new = json_encode($value_new);


      $id = '';
      $string = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJLKMNOPQRSTUVW0123456789";
      for ($i = 1; $i <= 8; $i++)
      {
      $zufallszahl = rand(0, 62);
      $zufallszahl = substr($string, $zufallszahl, 1);
      $id = $id . $zufallszahl;
      }

      // Teten ob ID bereits IN DIESEM ORDNER vorhanden
      $sql = "SELECT `id` FROM `VokabelBox2Content` WHERE `id` = '$id' AND `type` = 'voc' AND `path` = '$userid/lang/$meta/'";
      $result_articles = $conn->query($sql);
      if(mysqli_num_rows($result_articles))
      {
        die();
      }

      // Anzahl im Nutzerkonto gespeicherter Vokabeln wird geholt
      $sql = "SELECT `id` FROM `VokabelBox2Content` WHERE `path` LIKE '$userid/%' AND `type` = 'voc'";
      $result_articles = $conn->query($sql);
      $statVOC = mysqli_num_rows($result_articles);

      if($statVOC > '1000') {
        die();
      }

      $conn->query("INSERT INTO `VokabelBox2Content`(`id`, `path`, `value`, `type`) VALUES ('$id','$userid/lang/$meta/','$value_new_new','voc')");

    }
    else {
      die();
    }

  }

}

$list_new_id = $meta;

$sql = "SELECT `value` FROM `VokabelBox2Content` WHERE `id` = '$list'";
$result_articles = $conn->query($sql);
while ($articleDb = mysqli_fetch_object($result_articles))
{
  $list = $articleDb->value;
}

$sql = "SELECT `value` FROM `VokabelBox2Content` WHERE `id` = '$meta'";
$result_articles = $conn->query($sql);
while ($articleDb = mysqli_fetch_object($result_articles))
{
  $list_new = $articleDb->value;
}


echo count($selected_items) - 1 . "," . $list . "," . $list_new . "," . $list_new_id . ",true";

?>