<?php

if (!isset($baseDir)) {
	$baseDir = $_SERVER['DOCUMENT_ROOT'];
}

require_once $baseDir . '/../scripts/session_functions.php';

ini_wkvs_session();

check_user_permission('wk_leitung');

verify_csrf();


$type = 'wkl';

$dbconnection = require $baseDir . '/../scripts/db/db-verbindung-script.php';

if ($dbconnection['success'] !== true){
    echo 'Critical DB Error.';
    exit;
}

require $baseDir . '/../scripts/db/db-tables.php';

$input = $_POST;

if (!$input || !isset($input['new'])) {
  http_response_code(400);
  exit;
}

$mysqli->begin_transaction();

try {
  $stmt = $mysqli->prepare("
    UPDATE $tableTurnerinnenAbt
    SET turnerin_index = ?
    WHERE turnerin_id = ?
  ");

  foreach (['new', 'old'] as $bucket) {
    if (empty($input[$bucket])) continue;

    foreach ($input[$bucket] as $row) {
      $stmt->bind_param("ii", $row['order_index'], $row['id']);
      $stmt->execute();
    }
  }

  $mysqli->commit();
  http_response_code(200);

} catch (Throwable $e) {
  $mysqli->rollback();
  http_response_code(500);
}