<?php
class PortalFront extends Portal
{
  public $zalogowany = null;

  function __construct($host, $user, $pass, $db)
  {
    $this->dbo = $this->initDB($host, $user, $pass, $db);
    $this->zalogowany = $this->getActualUser();
  }

  function getActualUser()
  {
    if(isset($_SESSION['zalogowany'])){
      return $_SESSION['zalogowany'];
    }
    else{
      return null;
    }
  }

  function setMessage($komunikat)
  {
    $_SESSION['komunikat'] = $komunikat;
  }

  function getMessage()
  {
    if(isset($_SESSION['komunikat'])){
      $komunikat = $_SESSION['komunikat'];
      unset($_SESSION['komunikat']);
      return $komunikat;
    }
    else {
      return null;
    }
  }

  function login()
  {
    if (!$this->dbo){
        return SERVER_ERROR;
    }
    if ($this->zalogowany){
        return NO_LOGIN_REQUIRED;
    }
    if(!isset($_POST["email"]) || !isset($_POST["haslo"])){
        return FORM_DATA_MISSING;

    }
    $user = $_POST["email"];
    $pass = $_POST["hasło"];
    $userEmailLength = mb_strlen($user, 'utf8');
    $userPassLength = mb_strlen($pass, 'utf8');
    if ($userEmailLength < 5 || $userEmailLength >250 || $userPassLength<6 || $userPassLength >100){
        return ACTION_FAILED;
    }
    $email = $this->dbo->real_escape_string($user);
    $pass = $this->dbo->real_escape_string($pass);
    $query = "SELECT 'Id, 'Imię', 'Nazwisko', 'Hasło' FROM Klienci WHERE 'Email' = '$email'";
    if (!$result = $this->dbo->query($query)){
        echo 'Wystąpił błąd: nieprawidłowe zapytanie...';
        return SERVER_ERROR;
    }
    if ($result->num_rows <>1){
        return ACTION_FAILED;
    }else{
        $row = $result->fetch_row();
        $pass_db = $row[3];
        if($pass != $pass_db){
            return ACTION_FAILED;
        }else{
            $nazwa=$row[1] . '' . $row[2];
            $_SESSION['zalogowany'] = new USER ($row[0], $nazwa);
            return ACTION_OK;
        }
    }
  }

  function logout()
  {
   $this->userId = 0;
   $this->zalogowany =null;
   if(isset($_SESSION['zalogowany'])){
       unset($_SESSION['zalogowany']);
       $this->zalogowany = null;
   }
  }

  function showRegistrationForm()
  {
   $reg = new Registration($this->dbo);
   return $reg->showRegistrationForm();
  }

  function registerUser()
  {
   $reg = new Registration($this->dbo);
   return $reg->registerUser();
  }

  function showSearchForm()
  {

  }

  function showSearchResults()
  {

  }

  function showBookDetails()
  {

  }

  function addToBasket()
  {

  }

  function showBasket()
  {

  }

  function modifyBasket()
  {

  }

  function checkout()
  {

  }
}
?>