<?php
  include 'cl.php';
  require_once('fb/src/facebook.php');
  include('uf.php');
  $facebook = new Facebook(array(
    'appId'  => 'xxxx',
    'secret' => 'xxxx'
  ));

  $user = $facebook->getUser();

  if ($user) {
    $user_profile = $facebook->api('/me');
    try {
     
      $first = sec($user_profile['first_name']);
      $last = sec($user_profile['last_name']);
      $mail = sec($user_profile['email']);
      $birthDate = explode("/", sec($user_profile['birthday']));
      $birth = $birthDate[2].'-'.$birthDate[0].'-'.$birthDate[1];
      $age = sec($birth);
      $id = sec($user_profile['id']);
      $password = 'fb';
      if($user_profile['gender'] == 'male') {
        $gender = 1;
      } elseif($user_profile['gender'] == 'female') {
        $gender = 2;
      }
      $sessionU = '';
      setcookie('u', $sessionU, time()+2602000);
     
      if($login == 1) {
        if(!preg_match('#/fb-#Ui', $personalIMG)) {
          $fileName = 'fb-xxxxx.jpg';
          uploadFiles('http://graph.facebook.com/'.$user_profile['id'].'/picture?type=large', $fileName);
          $imgforq = ", `img` = '$fileName'";
        } else {
          $imgforq = '';
        }
       
        mysqli_query($link, "UPDATE `users` SET `f-name` = '$first', `l-name` = '$last', `birth` = '$age', `fb` = '$id', `lastcookie` = '$sessionU', `gender` = '$gender'$imgforq WHERE `username` = '$uName'") or die(mysqli_error($link));
      } else {
        $cife = mysqli_query($link, "SELECT `fb`, `img` FROM `users` WHERE `fb` = '$id'") or die(mysqli_error($link));
        $imgres = mysqli_fetch_assoc($cife) or die(1234);
        $nrfc = mysqli_num_rows($cife);
        if($nrfc != 0) {
          if(!preg_match('#fb-#Ui', $imgres['img'])) {
            $fileName = 'fb-xxxxxxxxx.jpg';
            uploadFiles('http://graph.facebook.com/'.$user_profile['id'].'/picture?type=large', $fileName);
            $imgforq = ", `img` = '$fileName'";
          } else {
            $imgforq = '';
          }
         
          mysqli_query($link, "UPDATE `users` SET `f-name` = '$first', `l-name` = '$last', `birth` = '$age', `fb` = '$id', `lastcookie` = '$sessionU', `gender` = '$gender'$imgforq WHERE `fb` = '$id'") or die(mysqli_error($link));
        } else {
          $fileName = 'fb-xxxxxxxxxx.jpg';
          uploadFiles('http://graph.facebook.com/'.$user_profile['id'].'/picture?type=large', $fileName);
          mysqli_query($link, "INSERT INTO `users` (`username`, `f-name`, `l-name`, `mail`, `birth`, `password`, `time`, `gender`, `fb`, `lastcookie`, `img`) VALUES ('fb-$id', '$first', '$last', '$mail', '$age', '$password', '".time()."', '$gender', '$id', '$sessionU', '$fileName')") or die(mysqli_error($link));
          header('Location: msg.php?id=1&redirect=home');
          die();
        }
      }
    } catch(FacebookApiException $e) {
      $login_url = $facebook->getLoginUrl(array(
        'scope' => 'publish_stream'
      ));
      echo 'Please <a href="' . $login_url . '">login.</a>';
      error_log($e->getType());
      error_log($e->getMessage());
    }
   
    if(isset($_SERVER['HTTP_REFERER'])) {
      header('Location: '.$_SERVER['HTTP_REFERER']);
    } else {
      header('Location: index.php');
    }
  }
  else if (!$user) {
    $loginUrl = $facebook->getLoginUrl(
      array(
        'scope' => 'email,publish_actions,publish_stream,user_birthday,user_about_me'
      )
    );
    echo "<script type='text/javascript'>top.location.href = '$loginUrl';</script>";
    die();
  }