<?php

require_once 'Zend/Controller/Action.php';
require_once 'Zend/Auth.php';
require_once 'Zend/Db/Table.php';
require_once 'Zend/Auth/Adapter/DbTable.php';

/**
 * @author Erik Landvall
 */
class Identity_AuthController extends Zend_Controller_Action
{

    public function preDispatch()
    {
        if ( Zend_Auth::getInstance()->hasIdentity() )
        {
            if ( $this->getRequest()->getActionName() != 'logout' )
                $this->render('index');
        }
        else
        {
            if ( $this->getRequest()->getActionName() == 'logout' )
                $this->render('index');
        }
    }

    public function init()
    {
        $this->view->layout()->disableLayout();
    }

    public function indexAction() { }

    public function logoutAction()
    {
        Zend_Auth::getInstance()->clearIdentity();
    }

    public function loginAction()
    {
        $form           = new Identity_Form_Login();
        $flMessenger    = $this->getHelper( 'FlashMessenger' )
            ->setNamespace( 'Identity_Form_Login_Errors' );

        // @todo not DRY
        if( $flMessenger->hasMessages() )
        {
            $formErrors = array();

            foreach( reset( $flMessenger->getMessages() ) as $name => $errors )
                if( isset( $form->{$name} ))
                    $form->{$name}->setErrors( $errors );

                else
                    foreach( $errors as $error )
                        array_push( $formErrors, $error );

            $form->setErrors( $formErrors );
        }

        if( $this->getRequest()->isPost() )
        {
            if ( $form->isValid( $this->getRequest()->getPost() ))
            {
                $user = new Identity_Model_User();
                $user->username = $form->getElement('username')->getValue();
                $user->password = $form->getElement('password')->getValue();
                $authUser = $user->authenticate();

                if ( $authUser )
                    Zend_Auth::getInstance()->getStorage()->write(
                        $authUser->toArray() );

                else
                    $flMessenger->addMessage(
                        array(
                            'form' => array( 'No user with the given '
                                            .'credential was found' )));
            }
            else
                $flMessenger->addMessage( $form->getMessages() );

            $this->getHelper( 'Redirector' )->gotoUrlAndExit(
                $this->view->url() );
        }

        $form->setAction( $this->view->url() );
        $this->view->form = $form;
    }
}