<?php
namespace Modules\ContactForm\Widgets\Form;

use App\Models\Content\Content;
use App\Models\Widgets\Widget;
use App\Models\Widgets\WidgetType;
use App\CMS\Contracts\Widgets\WidgetRenderer;

class Presenter implements WidgetRenderer
{
    public static $template = null;

    /**
     * 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) {
            throw new \ErrorException('Cannot render contact form without template! Please, set Presenter::$template variable before rendering.');
        }

        $form = Content::find($widget->settings->contactFormId);

        if (!$form) {
            return null;
        }

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

    /**
     * Display form for creating new instance of widget
     *
     * @param WidgetType $type
     *
     * @return mixed
     */
    public static function renderAddForm(WidgetType $type)
    {
        $contactForms = Content::where('moduleHandler', config('contactform.handler'))
                               ->get();

        return view('contactform::admin.widgets.form.new', [
            'type'   => $type,
            'widget' => new Widget(),
            'forms'  => $contactForms
        ]);
    }

    /**
     * Display form for editing already existing widget
     *
     * @param Widget $widget
     *
     * @return mixed
     */
    public static function renderEditForm(Widget $widget)
    {
        $contactForms = Content::where('moduleHandler', config('contactform.handler'))
                               ->get();
        return view('contactform::admin.widgets.address.edit', [
            'widget' => $widget,
            'forms'  => $contactForms
        ]);
    }
}