<?php
	require_once('../../utils/config.php');
	require_once('../../utils/db.php');
	require_once('../../utils/strings.php');

  header("Access-Control-Allow-Origin: *");
  header("Access-Control-Allow-Headers: Authorization");

  $authorization = $_SERVER["HTTP_AUTHORIZATION"];
  if(strcmp($authorization, INTERNAL_API_KEY) !== 0) {
    echo 'STOP TRYING TO STEAL MY DATA!';
    exit;
  }

	$connection = connect();

  $returnValue = array();
  $querystr = "SELECT * FROM li_students WHERE deleted=0";
 
  $result = mysqli_query($connection, $querystr);
  if($result->num_rows !== 0) {
  	while ($row = mysqli_fetch_object($result)) {
      $student = (object) [
          'sid' => $row->sid,
          'firstname' => $row->firstname,
          'lastname' => $row->lastname,
          'birthday' => $row->birthday,
          'gender' => $row->gender,
          'street' => $row->street,
          'house' => $row->house,
          'house_suffix' => $row->house_suffix,
          'zip' => $row->zip,
          'city' => $row->city,
          'phone' => $row->phone,
          'email' => $row->email,
          'enrollments' => array()
        ];      
   
      $querystr2 = "SELECT * FROM li_enroll, li_courses
                    WHERE li_enroll.cid = li_courses.cid
                      AND li_enroll.sid = {$student->sid}";

      $result2 = mysqli_query($connection, $querystr2);
      if($result2->num_rows !== 0) {
      	while ($row = mysqli_fetch_object($result2)) {
          $begin = new DateTime($row->begin);
          $end = new DateTime($row->end);

          $enrollment = (object) [
            'cid' => $row->cid,
            'name' => $row->name . ' ' . $row->description,
            'diffname' => $row->diffname,
            'begin' => $begin->format('Y-m-d'),
            'end' => $end->format('Y-m-d')
          ];    
        
          array_push($student->enrollments, $enrollment);
        }
      }
      
      array_push($returnValue, $student);
    }
  }

 	mysqli_free_result($result);

  echo json_encode($returnValue);
?>