<?php
function rand_string($length) {
  $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  $size = strlen( $chars );
  for( $i = 0; $i < $length; $i++ ) {
    $str .= $chars[ rand( 0, $size - 1 ) ];
  }
  return $str;
}


$allFormFields = $hook->getValues();

$save = $allFormFields['submitSave'];
$fullname = $allFormFields['fullname'];
$email = $allFormFields['email'];
$address = $allFormFields['address'];
$zip = $allFormFields['zip'];
$city = $allFormFields['city'];
$phone = $allFormFields['phone'];
$mobilephone = $allFormFields['mobilephone'];
$dob = $allFormFields['dob'];
if (!empty($dob)) { $dob = strtotime($dob); }
$username = $allFormFields['username'];
$usertype = $allFormFields['usertype'];
$teacher = $allFormFields['teacher'];
$instrument = $allFormFields['instrument'];
$day = $allFormFields['day'];
$starttime = $allFormFields['starttime'];
$endtime = $allFormFields['endtime'];
$frequency = $allFormFields['frequency'];

if ($save == 'Save') {
  $user = $modx->getObject('modUser', array('username' => $username));
  if (!$user) {
    $msg = '2';
    $user = $modx->newObject('modUser');
    $user->set('username', $username);
    $password = rand_string(10);
    $user->set('password', $password);
    $profile = $modx->newObject('modUserProfile');
  }
  else {
    $msg = '3';
    $profile = $user->getOne('Profile');
  }
  $extended = $profile->get('extended');
  $extendedFields = array();
  $user->set('active', 1);
  if (!empty($instrument)) { $extendedFields['instrument'] = $instrument; }
  if (!empty($day)) { $extendedFields['day'] = $day; }
  if (!empty($starttime)) { $extendedFields['starttime'] = $starttime; }
  if (!empty($endtime)) { $extendedFields['endtime'] = $endtime; }
  if (!empty($frequency)) { $extendedFields['frequency'] = $frequency; }
  if (!empty($teacher)) { $extendedFields['teacher'] = $teacher; }
  $profile->set('fullname', $fullname);
  $profile->set('email', $email);
  $profile->set('phone', $phone);
  $profile->set('mobilephone', $mobilephone);
  $profile->set('dob', $dob);
  $profile->set('address', $address);
  $profile->set('city', $city);
  $profile->set('zip', $zip);

  // Process headshot
  $ext_array = array('jpg','jpeg','png'); // valid extensions
  $uploadpath = 'assets/uploads/';
  $target_path = $modx->config['base_path'] . $uploadpath;
  $submittedfiles = array_keys($_FILES); // get uploaded file names
  foreach ($submittedfiles as $sf) {
    $filename = basename( $_FILES[$sf]['name'] ); // Get Filename and make sure its good.

    $ext = pathinfo($filename, PATHINFO_EXTENSION); // Get file's extension
    $ext = mb_strtolower($ext); // case insensitive

    if($filename != '') { // is the file name empty (no file uploaded)

      if(in_array($ext, $ext_array)) { // is this the right type of file?
	$filename = str_replace(' ', '_', $filename); // spaces to underscores
	$filename = date("Y-m-d_G-i-s_") . $filename; // add date & time

	$myTarget = $target_path . $filename; // full path to new file

	if(move_uploaded_file($_FILES[$sf]['tmp_name'], $myTarget)) { // is the file moved to the proper folder successfully?
	  $extendedFields['headshot'] = $filename;
	}
	else {
	  // File not uploaded
	  $errorMsg = 'There was a problem uploading the file.';
	  $hook->setValue('errorMsg', $errorMsg);
	  return false; // generate submission error
	}
      }
      else {
	// File type not allowed
	$errorMsg = 'Type of file not allowed.';
	$hook->setValue('errorMsg', $errorMsg);
	return false; // generate submission error
      }
      // if no file, don't error, but return blank
    }
  }

  if (!empty($extendedFields)) { $profile->set('extended', $extendedFields); }
  $user->addOne($profile);
  $user->save();
  if ($usertype == 'Student') { $user->joinGroup('Student', 'Member'); }
  if ($usertype == 'Teacher') { $user->joinGroup('Teacher', 'Member'); }
  $url = $modx->makeUrl(4,'',array('msg' => $msg));
  $modx->sendRedirect($url);
}
else {
  return false;
}