<?php

// =============================================================================

namespace Extensions\Garlic\Cms\Handlers;

// -------------------------------------------------------------------------

use Core\Application\Handler;
use Core\Application\Request;
use Core\Application\Output;
use Core\Application\Events;
use Core\Application\Route;
use Core\Application\Exceptions\NotFoundException;

use Extensions\Garlic\Cms\Models\Page;
use Extensions\Garlic\Intl\Library\Lang;
use Extensions\Garlic\Admin\Library\Admin;

// =============================================================================

class PagesHandler extends Handler
{

    // =========================================================================

    public function defaultAction(Request $request, Output $output)
    {
        list($page, $prototype) = $this->assertPage($request);

        Events::dispatch('before_render_page', [
            'request' => $request,
            'output'  => $output,
            'page'    => $page,
        ]);

        Admin::addDialogInfoItems([
            [
                'type' => 'title',
                'text' => Lang::_("CMS / Pages"),
            ],
            [
                'type' => 'text',
                'text' => Lang::_("Page #{id}", [ 'id' => $prototype->getId() ]),
            ],
            [
                'type' => 'action',
                'text' => Lang::_("Éditer la page"),
                'url'  => Route::makeUrl('_admin_do_handler', [
                    'ctx'     => 'contributor',
                    'handler' => 'pages/edit',
                    'pageId'  => $page->getId(),
                ]),
            ],
        ]);

        $output->render('pages/default.html.twig', [
            'page' => $page,
        ]);
    }

    // -------------------------------------------------------------------------

    private function assertPage(Request $request)
    {
        if (!($page = Page::getCurrent())) {
            throw new NotFoundException('Page not found');
        }

        if ($page->getType() !== Page::TYPE_PAGE) {
            throw new NotFoundException('Slug does not refer to a page');
        }

        $prototype = $page->getPrototype();
        $status = $prototype->getStatus();

        switch ($status) {
            case Page::STATUS_DISABLED:
                throw new NotFoundException('Page disabled');
            case Page::STATUS_DRAFT:
                throw new NotFoundException('Page is a draft');
            case Page::STATUS_PUBLISHED:
                return [ $page, $prototype ];
        }

        throw new NotFoundException('Page status not managed');
    }

}