<?php
/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */

namespace Icinga\Controllers;

use Icinga\Application\Config;
use Icinga\Exception\NotFoundError;
use Icinga\Forms\Navigation\NavigationItemForm;
use Icinga\Web\Controller;
use Icinga\Web\Form;
use Icinga\Web\Url;

/**
 * Navigation configuration
 */
class NavigationController extends Controller
{
    /**
     * Show the current user a list of his/her navigation items
     */
    public function indexAction()
    {
        $user = $this->Auth()->getUser();
        $userConfig = $user->loadNavigationConfig();
        $sharedConfig = Config::app('navigation');

        $this->view->items = array_merge(
            $sharedConfig->select()->where('owner', $user->getUsername())->fetchAll(),
            iterator_to_array($userConfig)
        );

        $this->getTabs()->add(
            'navigation',
            array(
                'title'     => $this->translate('List and configure your own navigation items'),
                'label'     => $this->translate('Navigation'),
                'url'       => 'navigation'
            )
        )->activate('navigation');
    }

    /**
     * List all shared navigation items
     */
    public function sharedAction()
    {
        $this->assertPermission('config/application/navigation');
        $this->view->items = Config::app('navigation');

        $removeForm = new Form();
        $removeForm->setUidDisabled();
        $removeForm->setAction(Url::fromPath('navigation/unshare'));
        $removeForm->addElement('hidden', 'name', array(
            'decorators'    => array('ViewHelper')
        ));
        $removeForm->addElement('hidden', 'redirect', array(
            'value'         => Url::fromPath('navigation/shared'),
            'decorators'    => array('ViewHelper')
        ));
        $removeForm->addElement('button', 'btn_submit', array(
            'escape'        => false,
            'type'          => 'submit',
            'class'         => 'link-like spinner',
            'value'         => 'btn_submit',
            'decorators'    => array('ViewHelper'),
            'label'         => $this->view->icon('trash'),
            'title'         => $this->translate('Unshare this navigation item')
        ));
        $this->view->removeForm = $removeForm;

        $this->getTabs()->add(
            'navigation/shared',
            array(
                'title'     => $this->translate('List and configure shared navigation items'),
                'label'     => $this->translate('Shared Navigation'),
                'url'       => 'navigation/shared'
            )
        )->activate('navigation/shared');
    }

    /**
     * Add a navigation item
     */
    public function addAction()
    {
        
    }

    /**
     * Edit a navigation item
     */
    public function editAction()
    {
        
    }

    /**
     * Remove a navigation item
     */
    public function removeAction()
    {
        
    }

    /**
     * Unshare a navigation item
     */
    public function unshareAction()
    {
        $this->assertPermission('config/application/navigation');
        $this->assertHttpMethod('POST');

        $navigationItemForm = new NavigationItemForm();
        $navigationItemForm->setIniConfig(Config::app('navigation'));

        $form = new Form(array(
            'onSuccess' => function ($form) use ($navigationItemForm) {
                try {
                    if ($navigationItemForm->unshare($form->getValue('name'))) {
                        Notification::success(sprintf(
                            t('Navigation item "%s" has been unshared'),
                            $form->getValue('name')
                        ));
                    } else {
                        Notification::error(sprintf(
                            t('Failed to unshare navigation item "%s"'),
                            $form->getValue('name')
                        ));
                    }
                } catch (NotFoundError $e) {
                    throw $e;
                } catch (Exception $e) {
                    Notification::error($e->getMessage());
                }

                $redirect = $form->getValue('redirect');
                if (! empty($redirect)) {
                    $form->setRedirectUrl(htmlspecialchars_decode($redirect));
                }

                return true;
            }
        ));
        $form->setUidDisabled();
        $form->setSubmitLabel('btn_submit'); // Required to ensure that isSubmitted() is called
        $form->addElement('hidden', 'name', array('required' => true));
        $form->addElement('hidden', 'redirect');

        try {
            $form->handleRequest();
        } catch (NotFoundError $_) {
            $this->httpNotFound(sprintf($this->translate('Navigation item "%s" not found'), $form->getValue('name')));
        }
    }
}