<?php


namespace KommaApp\Shop\Menus;


use Illuminate\Routing\Router;

class SidebarMenu
{
    /**
     * @var Router
     */
    private $router;

    private $level = 0;

    /**
     * @param Router $router
     */
    public function __construct(Router $router)
    {
        $this->router = $router;
    }

    public function create($rootNode)
    {
        $output = '';
        if ($rootNode->hasChildren()) {
            $output .= '<ul>';
            $output .= '<li';

            if ($this->router->currentRouteName() == '/' . $rootNode->route) $output .= ' class="active"';
            $output .= '>';
            $output .= '<a href="/' . $rootNode->route . '">' . $rootNode->name . '</a>';
            $output .= '</li>';

            foreach ($rootNode->children as $child) {
                $output .= $this->addChildMenu($child);
            }
            $output .= '</ul>';
        }

        return $output;
    }

    protected function addChildMenu($node)
    {
        $hasChildren = $node->hasChildren();

        $output = '';
        $output .= $this->openListItem($node, $hasChildren);

        if ($hasChildren) {
            $this->level++;
            $output .= '<ul>';
            //$output .= $this->openListItem($node);

            foreach ($node->children as $child) {
                $output .= $this->addChildMenu($child);
            }
            //$this->closeListItem();
            $output .= '</ul>';

            $this->level--;
        }

        $output .= $this->closeListItem();

        return $output;
    }

    protected function openListItem($node, $hasChildren = false)
    {
        $output = '<li';

        //Check if the current route starts with the node route an ends after this Or a next url part (/)
        if(preg_match('#^/'.$node->route.'($|/)#i', $this->router->currentRouteName()))$output .= ' class="active"';

        $output .= '>';
        $output .= '<a href="/' . $node->route . '">';
        $output .= $node->name;

        if ($hasChildren)
            $output .= '<span class="plus"></span>';

        $output .= '</a>';

        return $output;
    }

    protected function closeListItem()
    {
        return '</li>';
    }
}