<?php
session_start();

class Admin {
  private $username;
  private $password;
  private $conn;

  public function __construct($conn=NULL) {
    $this->conn = $conn;
  }

  public function adminExists($username,$password) {
    $adminQuery = mysql_query("SELECT id, username, password FROM admin WHERE username='".$username."' AND password='".md5($password)."'") or die ('Admin Query Error --- MySQL Error No: '.mysql_errno().' --- '.mysql_error());
    $count = mysql_num_rows($adminQuery);
    $adminRow = mysql_fetch_assoc($adminQuery);
    $uid = $adminRow['id'];
    $exists = ($count > 0 ? 1 : 0);
    $result = array('exists'=>$exists,'uid'=>$uid,'count'=>$count);
    return $result;
  }

  public function adminLoggedin($uid) {
      $loggedQuery = mysql_query("SELECT COUNT(*), id, uid, loggedIn, loggedOut FROM adminLog WHERE uid='".$uid."' AND ISNULL(loggedOut)") or die ('Logged In Query Error --- MySQL Error No: '
              .mysql_errno().' --- '.mysql_error());
      $loggedRow = mysql_fetch_array($loggedQuery);
      $count = ($loggedRow['COUNT(*)'] > 0 ? 1 : 0);
      $logID = $loggedRow['id'];
      $logged = array('count'=>$count,'logID'=>$logID);
      return $logged;
  }

}
?>