/*!
 * Jodit Editor (https://xdsoft.net/jodit/)
 * Licensed under GNU General Public License version 2 or later or a commercial license or MIT;
 * For GPL see LICENSE-GPL.txt in the project root for license information.
 * For MIT see LICENSE-MIT.txt in the project root for license information.
 * For commercial licenses see https://xdsoft.net/jodit/commercial/
 * Copyright (c) 2013-2019 Valeriy Chupurnov. All rights reserved. https://xdsoft.net
 */

import { Config } from '../Config';
import { Dom } from '../modules/Dom';
import { IJodit, markerInfo } from '../types';

Config.prototype.controls.ul = {
	command: 'insertUnorderedList',
	controlName: 'ul',
	tags: ['ul'],
	tooltip: 'Insert Unordered List'
};
Config.prototype.controls.ol = {
	command: 'insertOrderedList',
	controlName: 'ol',
	tags: ['ol'],
	tooltip: 'Insert Ordered List'
};

/**
 * Process commands insertOrderedList and insertUnOrderedList
 */
export function orderedlist(editor: IJodit) {
	editor.events.on(
		'afterCommand',
		(command: string): false | void => {
			if (/insert(un)?orderedlist/i.test(command)) {
				const ul: Node | false = Dom.up(
					editor.selection.current() as Node,
					(tag: Node | null) => tag && /^UL|OL$/i.test(tag.nodeName),
					editor.editor
				);

				if (ul && ul.parentNode && ul.parentNode.nodeName === 'P') {
					const selection: markerInfo[] = editor.selection.save();
					Dom.unwrap(ul.parentNode);
					Array.from(ul.childNodes).forEach((li: Node) => {
						if (
							li.lastChild &&
							li.lastChild.nodeType === Node.ELEMENT_NODE &&
							li.lastChild.nodeName === 'BR'
						) {
							Dom.safeRemove(li.lastChild);
						}
					});
					editor.selection.restore(selection);
				}
				editor.setEditorValue();
			}
		}
	);
}