<?php

namespace App\Providers;

use App\Category;
use App\Services\Tree;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\View;


class AppServiceProvider extends ServiceProvider
{


    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        $this->menuLoad();
    }

    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {

    }

    private function generateMenu(&$elements, $parentId = 0){
        $branch = array();

        foreach ($elements as $element) {
            if ($element['parent_id'] == $parentId) {
                $children = $this->generateMenu($elements, $element['id']);
                if ($children) {
                    $element['children'] = $children;
                }
                $branch[$element['id']] = $element;
                unset($elements[$element['id']]);
            }
        }
        return $branch;
    }

    public function menuLoad()
    {

        $categories = Category::with(['descendants', 'products'])->get()->toArray();
        $tree = new Tree($categories);
        $menu = $tree->build(0);



        View::composer('layout.base', function($view) use($menu){
            $view->with(['categories' => collect($menu), 'delimiter' => '', 'nesting' => 0]);
        });
    }

}