<?php
namespace App\CMS\Widgets\Menu;

use App\CMS\Contracts\Widgets\PublicWidget;
use App\CMS\Widgets\Contracts\WidgetRenderer;
use App\CMS\Widgets\Exceptions\MissingParameterException;
use App\Http\Requests\Request;
use App\Models\Content\Content;
use Mcamara\LaravelLocalization\Facades\LaravelLocalization;
use App\CMS\Contracts\Repositories\Content as IContent;

class Menu implements PublicWidget
{
    /**
     * Name getter
     *
     * @return string
     */
    public static function getName()
    {
        return 'widgets/menu.widgetName';
    }

    /**
     * Getter for description
     *
     * @return string
     */
    public static function getDescription()
    {
        return 'widgets/menu.widgetDescription';
    }

    /**
     * Getter for presenter/renderer of this widget
     *
     * @return WidgetRenderer
     */
    public static function getPresenter()
    {
        return Presenters\Menu::class;
    }

    /**
     * @param \App\Models\Widget $widget
     * @param \stdClass          $data
     *
     * @return mixed
     */
    public static function save(Request $data)
    {
        if (!isset($data->settings) || empty($data->settings) || !json_decode($data->settings)) {
            throw new MissingParameterException('settings');
        }

        $links = json_decode($data->settings);
        $pages = self::selectContentPages(array_keys((array)$links));

        foreach ($links as $link) {
            if (!isset($pages[$link->id])) {
                unset($links->{$link->id});
            }
        }

        return ['links' => $links];
    }

    public static function selectContentPages($ids)
    {
        $allowedStatuses = [IContent::STATUS_PUBLIC];

        if (\Auth::user()) {
            $allowedStatuses[] = IContent::STATUS_PROTECTED;
        }

        $pages = Content::where('language', LaravelLocalization::getCurrentLocale())
                        ->whereIn('id', $ids)
                        ->whereIn('status', $allowedStatuses)
                        ->get();
        $used = [];
        foreach ($pages as $page) {
            $used[$page->id] = $page;
        }

        return $used;
    }
}