symplely/menu

<?php

declare(strict_types=1);

namespace Async\Menu;

use Async\Menu\Link;

class Item
{
    /**
     * Reference to the menu manager
     *
     * @var Menu
     */
    protected $manager;

    /**
     * Item's id
     *
     * @var int
     */
    protected $id;

    /**
     * Item's pid
     *
     * @var int
     */
    protected $pid;

    /**
     * Item's meta data
     *
     * @var array
     */
    protected $meta;

    /**
     * Item's attributes
     *
     * @var array
     */
    protected $attributes = array();

    /**
     * Item's hyperlink
     *
     * @var Link
     */
    protected $link;

    /**
     * Creates a new Async\Menu\MenuItem instance.
     *
     * @param  Menu  $manager
     * @param  string  $title
     * @param  string  $url
     * @param  array  $attributes
     * @param  int  $pid
     * @return void
     */
    public function __construct($manager, $title, $url, $attributes = array(), $pid = 0)
    {
        $this->manager     = $manager;
        $this->id          = $this->id();
        $this->pid         = $pid;
        $this->title       = $title;
        $this->attributes  = $attributes;

        // Create an object of type Link
        $this->link        = new Link($title, $url);
    }

    /**
     * Creates a sub Item
     *
     * @param  string  $title
     * @param  string|array  $options
     * @return void
     */
    public function add($title, $options = [], $priority = null)
    {
        if (!\is_array($options)) {
            $options = array('url' => $options);
        }

        $options['pid'] = $this->id;

        return $this->manager->add($title, $options, $priority);
    }

    /**
     * Generate a unique id for the item
     *
     * @return int
     */
    protected function id()
    {
        return $this->manager->count() + 1;
    }

    /**
     * Return Item's id
     *
     * @return int
     */
    public function get_id()
    {
        return $this->id;
    }

    /**
     * Returns Item's pid
     *
     * @return int
     */
    public function get_pid()
    {
        return $this->pid;
    }

    /**
     * Check if the item has any children
     *
     * @return boolean
     */
    public function hasChildren()
    {
        return (\count($this->manager->whereParent($this->id))) ? true : false;
    }

    /**
     * Return Item's children
     *
     * @return array
     */
    public function children()
    {
        return $this->manager->whereParent($this->id);
    }

    /**
     * Set or get item's attributes
     *
     * @return string|Item
     */
    public function attributes()
    {
        $args = \func_get_args();

        if (isset($args[0]) && \is_array($args[0])) {
            $this->attributes = \array_merge($this->attributes, $args[0]);
            return $this;
        } elseif (isset($args[0]) && isset($args[1])) {
            $this->attributes[$args[0]] = $args[1];
            return $this;
        } elseif (isset($args[0])) {
            return isset($this->attributes[$args[0]]) ? $this->attributes[$args[0]] : null;
        }

        return $this->attributes;
    }

    /**
     * Set or get item's meta data
     *
     * @return string|MenuItem
     */
    public function meta()
    {
        $args = \func_get_args();

        if (isset($args[0]) && \is_array($args[0])) {
            $this->meta = \array_merge($this->meta, $args[0]);
            return $this;
        } elseif (isset($args[0]) && isset($args[1])) {
            $this->meta[$args[0]] = $args[1];
            return $this;
        } elseif (isset($args[0])) {
            return isset($this->meta[$args[0]]) ? $this->meta[$args[0]] : null;
        }

        return $this->meta;
    }

    public function url()
    {
        return $this->link->url();
    }

    public function text()
    {
        return $this->link->text();
    }

    public function append($content)
    {
        return $this->link->append($content);
    }

    public function caret(string $marker = 'caret')
    {
        return $this->link->caret($marker);
    }

    public function prepend($content)
    {
        return $this->link->prepend($content);
    }

    public function setAttributes(array $attributes)
    {
        return $this->link->setAttributes($attributes);
    }

    public function getAttributes()
    {
        return $this->link->attributes();
    }

    public function addClass($class)
    {
        return $this->link->addClass($class);
    }

    public function addTarget(string $target = '_blank')
    {
        return $this->link->addTarget($target);
    }

    public function addImage(?string $path = null, $class = 'icon')
    {
        return $this->link->addImage($path, $class);
    }

    public function addIcon(string $icon = 'icon')
    {
        return $this->link->addIcon($icon);
    }

    public function render(): string
    {
        return $this->manager->render();
    }

    /**
     * @return string
     */
    public function __toString(): string
    {
        return $this->manager->render();
    }
}