<?php

//try to get the user ID somehow from wp_get_userid()
// $userid = get_current_user_id();
$userid = "1";

//set upload directory equal to user ID under usermaps
$uploadDir = "../usermaps/" . $userid . "/";


//later change this to ../usermaps/userid/mapname
//also add a check for existing dirs and mkdir
$target_dir = $uploadDir;
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));


//
if (!file_exists($uploadDir)) {
    mkdir($uploadDir, 0777, true);
}


// Check if image file is a actual image or fake image
if(isset($_POST["submit"])) {
  $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
  if($check !== false) {
    echo "File is an image - " . $check["mime"] . ".";
    $uploadOk = 1;
  } else {
    echo "File is not an image.";
    $uploadOk = 0;
  }
}

// Check if file already exists
if (file_exists($target_file)) {
  echo "Sorry, file already exists. Please rename it or choose another one.";
  $uploadOk = 0;
}

// Check file size
if ($_FILES["fileToUpload"]["size"] > 750000000) {
  echo "Sorry, your file is too large.";
  $uploadOk = 0;
}

// Allow certain file formats
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg" && $imageFileType != "bmp" && $imageFileType != "tiff"
&& $imageFileType != "gif" ) {
  echo "Sorry, only JPG, JPEG, PNG, BMP, TIFF & GIF files are allowed.";
  $uploadOk = 0;
}

// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
  echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else {
  if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
    echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
  } else {
    echo "Sorry, there was an error uploading your file.";
  }
}
?>