<?php

class SOAPRegistration
{
     protected $messages = Array();
     protected $db;
     protected $soap;
     protected $showForm = true;
      
     public function __construct()
     {
         try
         {
             $this -> dbConnect();
             if ($this -> validateInput())
             {
                 $this -> soapConnect();
                 $this -> showForm = false;
                 $this -> soapCommand('account create '.$_POST["accountname"].' '.$_POST["password"]);
     $this -> soapCommand('account set gmlevel '.$_POST["accountname"].' 0 -1');
                 $stmt = $this -> db -> prepare("UPDATE `account` SET `email` = ?, `expansion` = ? WHERE `username` = ?;");
                 $stmt -> bind_param('sis', $_POST["email"], $_POST["expansion"], $_POST["accountname"]);
                 $stmt -> execute();
             }
         }
         catch (Exception $e)
         {
             $this -> addMessage($e -> getMessage());
         }
     }
      
     protected function validateInput()
     {
         if (empty($_POST["accountname"]))
         {
             $this -> addMessage('Please fill in an account name.');
         }
         elseif (!preg_match('/^[a-z0-9]{5,32}$/i', $_POST["accountname"]))
         {
             $this -> addMessage('Your account name must be between 5 and 32 characters long and may only contain letters and numbers.');
         }
         else
         {
             $stmt = $this -> db -> prepare("SELECT `username` FROM `account` WHERE `username` = ?;");
             $stmt -> bind_param('s', $_POST["accountname"]);
             $stmt -> execute();
             $stmt -> store_result();
             if ($stmt->num_rows > 0)
             {
                 $this -> addMessage('There is already an account with that name. Please use a different account name.');
             }
         }
          
         if (empty($_POST["password"]))
         {
             $this -> addMessage('Please fill in a password.');
         }
         else
         {
             if (!preg_match('/^[a-z0-9!"#$%]{8,16}$/i', $_POST["password"]))
             {
                 $this -> addMessage('The password must be between 8 and 16 characters long and may only contain letters, numbers and the following special characters: !"#$%');
             }
              
             if (empty($_POST["password2"]))
             {
                 $this -> addMessage('Please confirm your password.');
             }
             elseif ($_POST["password"] !== $_POST["password2"])
             {
                 $this -> addMessage('The two passwords do not match.');
             }
         }
          
         if (empty($_POST["email"]))
         {
             $this -> addMessage('Please fill in an e-mail address.');
         }
         elseif (!filter_var($_POST["email"], FILTER_VALIDATE_EMAIL))
         {
             $this -> addMessage('You have entered an invalid e-mail address.');
         }
         elseif (strlen($_POST["email"]) > 254)
         {
             $this -> addMessage('The e-mail address can not be longer than 254 characters long.');
         }
         elseif (CHECK_FOR_DUPLICATE_EMAIL)
         {
             $stmt = $this -> db -> prepare("SELECT `email` FROM `account` WHERE `email` = ?;");
             $stmt -> bind_param('s', $_POST["email"]);
             $stmt -> execute();
             $stmt -> store_result();
             if ($stmt->num_rows > 0)
             {
                 $this -> addMessage('There is already an account with that e-mail address. Please use a different e-mail.');
             }
         }
          
         if (!isset($_POST["expansion"]) || $_POST["expansion"] != intval($_POST["expansion"]) || intval($_POST["expansion"]) < 0 || intval($_POST["expansion"]) > 2)
         {
             $this -> addMessage('Please select your expansion.');
         }
          
         return empty($this -> messages);
     }
      
     protected function dbConnect()
     {
         $this -> db = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME);
         if (mysqli_connect_errno())
         {
             throw new Exception("Database connection failed: ". mysqli_connect_error());
         }
         return true;
     }
      
     protected function soapConnect()
     {
         $this -> soap = new SoapClient(NULL, Array(
             'location'=> 'http://'. SOAP_IP .':'. SOAP_PORT .'/',
             'uri' => 'urn:TC',
             'style' => SOAP_RPC,
             'login' => SOAP_USER, //логин от сервера
             'password' => SOAP_PASS, //пароль от сервера
             'keep_alive' => false //keep_alive only works in php 5.4.
         ));
     }
      
     protected function soapCommand($command)
     {
         $result = $this -> soap -> executeCommand(new SoapParam($command, 'command'));
         $this -> addMessage($result);
         return true;
     }
      
     protected function addMessage($message)
     {
         $this -> messages[] = $message;
         return true;
     }
      
     public function getMessages()
     {
         return $this -> messages;
     }
      
     public function showForm()
     {
         return $this -> showForm;
     }
      
     public function __destruct()
     {
         $this -> db -> close();
     }
}