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<?php

namespace Mautic\CoreBundle\Event;

use Mautic\CoreBundle\Menu\MenuHelper;
use Symfony\Contracts\EventDispatcher\Event;

class MenuEvent extends Event
{
    /**
     * @var array
     */
    protected $menuItems = ['children' => []];

    /**
     * @param string $type
     */
    public function __construct(
        protected MenuHelper $helper,
        protected $type = 'main'
    ) {
    }

    public function setMenuItems(array $menuItems): void
    {
        $this->menuItems = $menuItems;
    }

    /**
     * Add items to the menu.
     */
    public function addMenuItems(array $menuItems): void
    {
        $defaultPriority = $menuItems['priority'] ?? 9999;
        $items           = $menuItems['items'] ?? $menuItems;

        $isRoot = isset($items['name']) && ('root' == $items['name'] || $items['name'] == $items['name']);
        if (!$isRoot) {
            $this->helper->createMenuStructure($items, 0, $defaultPriority, $this->type);

            $this->menuItems['children'] = array_merge_recursive($this->menuItems['children'], $items);
        } else {
            // make sure the root does not override the children
            if (isset($this->menuItems['children'])) {
                if (isset($items['children'])) {
                    $items['children'] = array_merge_recursive($this->menuItems['children'], $items['children']);
                } else {
                    $items['children'] = $this->menuItems['children'];
                }
            }
            $this->menuItems = $items;
        }
    }

    /**
     * Return the menu items.
     *
     * @return array
     */
    public function getMenuItems()
    {
        $this->helper->placeOrphans($this->menuItems['children'], true, 1, $this->type);
        $this->helper->sortByPriority($this->menuItems['children']);
        $this->helper->resetOrphans($this->type);

        return $this->menuItems;
    }

    /**
     * @return string
     */
    public function getType()
    {
        return $this->type;
    }
}