<?php
namespace App\Cms\Interactions\Admin\Content;

use App\CMS\Contracts\Interaction;
use App\CMS\Contracts\Repositories\Module;
use App\CMS\Enumerations\ContentStatuses;
use App\CMS\Helpers\CurrentTemplate;
use App\Events\EditContent as EditContentEvent;
use App\Http\Requests\Request;
use App\Models\Content\Content;
use App\Models\FileManager\File;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Str;

class EditContent implements Interaction
{
    /**
     * @var Module
     */
    protected $module;
    /**
     * @var File
     */
    protected $file;

    public function __construct()
    {
        $this->module = App::make(Module::class);
        $this->file = App::make(File::class);
    }

    /**
     * Edit page
     *
     * @param array $data
     * @param array $parameters
     *
     * @return mixed|void
     */
    public function handle($data, $parameters)
    {
        /**
         * @var $page Content
         */
        list($page, $titlePhoto, $relatedFiles) = $parameters;

        // let template to modify request and content page
        CurrentTemplate::beforeSave($page, $data);

        // upload file - if provided
        $data['titlePhoto'] = isset($data['existingTitlePhoto']) ? $data['existingTitlePhoto'] : null;

        if (!is_null($titlePhoto)) {
            $file = $this->file->upload($titlePhoto);
            $data['titlePhoto'] = $file ? $file['filename'] : null;
        }

        $page->update($data);
        $this->module->callOnString($page->moduleHandler, 'edit', [$page, $data]);

        // move to interaction
        $keepAssigned = isset($data->keepAssigned) ? $data->keepAssigned : [];
        $page->uploadRelatedFiles($relatedFiles, $keepAssigned);
    }

    /**
     * Validate this interaction
     *
     * @param array $parameters
     *
     * @return array
     */
    public function getValidationRules($parameters = [])
    {
        $id = $parameters[0]->id;

        // get all available statuses
        $statuses = ContentStatuses::getSimple();
        $statuses = implode(',', $statuses);

        return [
            'title'         => 'required',
            'url'           => 'required|unique:contents,url,' . $id,
            'publishedFrom' => 'date',
            'publishedTo'   => 'date',
            'titlePhoto'   => 'exists:files,id',
            'status'        => 'required|in:' . $statuses,
            'parentPage'    => 'exists:contents,id'
        ];
    }
}