<?php

namespace Templates\Base\OnePage\Widgets\OnePageMenu;

use App\CMS\Contracts\Repositories\Content as IContent;
use App\CMS\Contracts\Widgets\WidgetRenderer;
use App\CMS\Helpers\Settings;
use App\Models\Content\Content;
use App\Models\Widgets\Widget;
use App\Models\Widgets\WidgetType;
use Templates\Base\OnePage\Handlers\OnePage;

class Presenter implements WidgetRenderer
{
    /**
     * @var string path to template
     */
    public static $template;

    /**
     * Method used for displaying widget.
     * This method renders some HTML code for displaying.
     *
     * @param Widget $widget
     *
     * @return mixed
     * @throws \ErrorException
     */
    public static function render(Widget $widget)
    {
        if (!self::$template) {
            self::$template = "menu";
            //            throw new \ErrorException('Cannot render menu without template! Please, set Presenter::$template variable before rendering.');
        }

        $usedPagesIds = (array)Settings::getJson(OnePage::HOMEPAGE_PAGES_SETTINGS_KEY);
        $contentPages = Content::whereIn('id', $usedPagesIds)
                               ->get()
                               ->keyBy('id');

        // need to maintain order of pages
        $homepage = app(IContent::class)->getHomepage();
        $pages = collect();

        $pages->push($homepage);
        foreach ($usedPagesIds as $pageId) {
            if (isset($contentPages[$pageId])) {
                $pages->push($contentPages[$pageId]);
            }
        }

        return view(self::$template, ['pages' => $pages, 'widget' => $widget])->render();
    }

    /**
     * Display form for creating new instance of widget
     *
     * @param WidgetType $type
     *
     * @return mixed
     */
    public static function renderAddForm(WidgetType $type)
    {
        return view('template::admin.widgets.onePageMenu.new', [
            'type'     => $type,
            'widget'   => new Widget(),
            'settings' => new \stdClass()
        ]);
    }

    /**
     * Display form for editing already existing widget
     *
     * @param Widget $widget
     *
     * @return mixed
     */
    public static function renderEditForm(Widget $widget)
    {
        $settings = $widget->settings;
        return view('template::admin.widgets.onePageMenu.edit', ['widget' => $widget, 'settings' => $settings]);
    }
}