<?php
require_once('data.php');
?>

<?php

  $db = dbVerbindungErzeugen();

  $id = $_GET["id"];
  $typ = $_GET["typ"];

  if ($typ == "idee") {
    $sql = "SELECT likes FROM idee WHERE id = $id";
 	$resultat = $db->query($sql);
 	$likeCount = $resultat ->fetchColumn();
  
  if ($likeCount > 0){
    $likeCount -= 1;
  }


	echo ($likeCount);

  $sql = "UPDATE idee SET likes=? WHERE id=?";
 $stmt = $db->prepare($sql);
 $stmt->execute(array($likeCount, $id));

  } elseif ($typ == "kommentar"){

    $sql = "SELECT k_likes FROM kommentar WHERE k_id = $id";
    $resultat = $db->query($sql);
    $likeCount = $resultat ->fetchColumn();
   $likeCount -= 1;
 
 
   echo ($likeCount);
 
   $sql = "UPDATE kommentar SET k_likes=? WHERE k_id=?";
  $stmt = $db->prepare($sql);
  $stmt->execute(array($likeCount, $id));

  }
  

?>