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<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2023 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees;

/**
 * System for generating menus.
 */
class Menu
{
    private string $label;

    private string $link;

    private string $class;

    /** @var array<string> A list of optional HTML attributes, such as onclick or data-xxx */
    private array $attrs;

    /** @var array<Menu> An optional list of sub-menus. */
    private array $submenus;

    /**
     * Constructor for the menu class
     *
     * @param string        $label    The label for the menu item
     * @param string        $link     The target URL
     * @param string        $class    A CSS class
     * @param array<string> $attrs    Optional attributes, such as onclick or data-xxx
     * @param array<Menu>   $submenus Any submenus
     */
    public function __construct(
        string $label,
        string $link = '#',
        string $class = '',
        array $attrs = [],
        array $submenus = []
    ) {
        $this
            ->setLabel($label)
            ->setLink($link)
            ->setClass($class)
            ->setAttrs($attrs)
            ->setSubmenus($submenus);
    }

    /**
     * Get the optional attributes.
     *
     * @return array<string>
     */
    public function getAttrs(): array
    {
        return $this->attrs;
    }

    /**
     * Set the optional attributes.
     *
     * @param array<string> $attrs
     *
     * @return self
     */
    public function setAttrs(array $attrs): self
    {
        $this->attrs = $attrs;

        return $this;
    }

    /**
     * Get the class.
     *
     * @return string
     */
    public function getClass(): string
    {
        return $this->class;
    }

    /**
     * Set the class.
     *
     * @param string $class
     *
     * @return self
     */
    public function setClass(string $class): self
    {
        $this->class = $class;

        return $this;
    }

    /**
     * Get the label.
     *
     * @return string
     */
    public function getLabel(): string
    {
        return $this->label;
    }

    /**
     * Set the label.
     *
     * @param string $label
     *
     * @return self
     */
    public function setLabel(string $label): self
    {
        $this->label = $label;

        return $this;
    }

    /**
     * Get the link.
     *
     * @return string
     */
    public function getLink(): string
    {
        return $this->link;
    }

    /**
     * Set the link.
     *
     * @param string $link
     *
     * @return self
     */
    public function setLink(string $link): self
    {
        $this->link = $link;

        return $this;
    }

    /**
     * Add a submenu to this menu
     *
     * @param Menu $menu
     *
     * @return self
     */
    public function addSubmenu(Menu $menu): self
    {
        $this->submenus[] = $menu;

        return $this;
    }

    /**
     * Get the sub-menus.
     *
     * @return array<Menu>
     */
    public function getSubmenus(): array
    {
        return $this->submenus;
    }

    /**
     * Set the sub-menus.
     *
     * @param array<Menu> $submenus
     *
     * @return self
     */
    public function setSubmenus(array $submenus): self
    {
        $this->submenus = $submenus;

        return $this;
    }
}