<?php
namespace App\Widgets\OrbitSlider\Presenters;

use App\Models\File;
use App\Models\Widget;
use App\Models\WidgetType;
use App\Widgets\Contracts\WidgetRenderer;

class OrbitSlider implements WidgetRenderer
{
    protected static function getAvailableColumns()
    {
        return [
            'fullscreen' => trans('widgets/orbitSlider.fullscreen'),
            1            => '1',
            2            => '2',
            3            => '3',
            4            => '4',
            6            => '6',
            12           => '12',
        ];
    }

    /**
     * Method used for displaying widget.
     *
     * This method renders some HTML code for displaying.
     *
     * @param object $settings
     *
     * @return mixed
     */
    public static function render($settings)
    {
        $directoryId = $settings->directoryId;

        $images = File::where('directory_id', $directoryId)
                      ->where('mime_type', 'LIKE', 'image%')
                      ->get();
        
        // add some non-existing values
        \App\Widgets\OrbitSlider\OrbitSlider::checkSettings($settings);

        $slidesCount = ($settings->imagePerSlide == 'fullscreen') ? count($images) : ceil(count($images) / $settings->imagePerSlide);
        $htmlGridNumber = ($settings->imagePerSlide == 'fullscreen') ? false : 12 / $settings->imagePerSlide;

        return view('widgets.orbitSlider.element', [
            'images'      => $images,
            'settings'    => $settings,
            'slidesCount' => $slidesCount,
            'gridNumber'  => $htmlGridNumber
        ]);
    }

    /**
     * Display form for creating new instance of widget
     *
     * @param WidgetType $type
     *
     * @return mixed
     */
    public static function renderAddForm(WidgetType $type)
    {
        $widget = new Widget();

        // create default object with settings
        $settings = new \stdClass();
        \App\Widgets\OrbitSlider\OrbitSlider::checkSettings($settings);

        return view('admin.widgets.orbitSlider.new', [
            'type'             => $type,
            'widget'           => $widget,
            'settings'         => $settings,
            'availableColumns' => self::getAvailableColumns()
        ]);
    }

    /**
     * Display form for editing already existing widget
     *
     * @param Widget $widget
     *
     * @return mixed
     */
    public static function renderEditForm(Widget $widget)
    {
        $settings = json_decode($widget->settings);

        // create default object with settings
        \App\Widgets\OrbitSlider\OrbitSlider::checkSettings($settings);

        return view('admin.widgets.orbitSlider.edit', [
            'widget'           => $widget,
            'settings'         => $settings,
            'availableColumns' => self::getAvailableColumns()
        ]);
    }
}