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

use App\CMS\Contracts\Interaction;
use App\CMS\Helpers\CurrentTemplate;
use App\Events\CreateNewContent;
use App\Http\Requests\Request;
use App\Models\Content\Content;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Str;
use Mcamara\LaravelLocalization\Facades\LaravelLocalization;

class NewContent implements Interaction
{
    protected $content;

    public function __construct()
    {
        $this->content = App::make(\App\CMS\Contracts\Repositories\Content::class);
    }

    /**
     * @param Request $request
     * @param         $parameters
     *
     * @return Content
     */
    public function handle(Request $request, $parameters)
    {
        list($moduleHandler) = $parameters;

        // create new page
        $page = new Content();
        $page->template = $request->template;

        // setup basic info
        $page->user_id = \Auth::user()->id;
        $page->language = LaravelLocalization::getCurrentLocale();
        $page->title = $request->title;
        $page->url = Str::slug($request->url);
        $page->published_from = empty($request->publishedFrom) ? null : $request->publishedFrom;
        $page->published_to = empty($request->publishedTo) ? null : $request->publishedTo;
        $page->meta_keywords = $request->metaKeywords;
        $page->meta_description = $request->metaDescription;
        $page->content = $request->pageContent;
        $page->status = $request->status;
        $page->module_handler = $moduleHandler;
        $page->category_id = (int)$request->category > 0 ? $request->category : null;
        $page->parent_id = $request->parentPage ? $request->parentPage : null;

        // upload file - if provided
        $file = $page->uploadTitlePhoto($request);

        $page->title_photo = $file ? $file['filename'] : null;

        // save module-specific stuff
        call_user_func_array([$request->handler, 'createNew'], [&$page, $request]);

        // let template to modify request and content page
        call_user_func_array([CurrentTemplate::handler(), 'beforeSave'], [&$page, $request]);

        // save content of page before (possible) uploading related files
        $page->save();

        // upload files assigned to content page
        $page->uploadRelatedFiles($request);

        Event::fire(new CreateNewContent($this));


        return $page;
    }

    public function getValidationRules($parameters)
    {
        return [
            'titlePhoto'    => 'image',
            'title'         => 'required',
            'url'           => 'required|unique:contents,url',
            'status'        => 'required|in:draft,protected,public',
            'title_photo'   => 'exists:files,id',
            'parentPage'    => 'exists:contents,id',
            'publishedFrom' => 'date',
            'publishedTo'   => 'date',
        ];
    }
}