import fs from 'fs-extra';
import _ from 'lodash';
import * as DataEvent from '../../src/com/events/DataEvent';
const settings = require('../../site/settings.json');

export default class Navigation {
	//--------------------------
	// constructor
	//--------------------------
	constructor() {}
	//--------------------------
	// methods
	//--------------------------
	sync(req) {
		return new Promise((resolve, reject) => {
			let payload = req.body;
			settings.menu = payload;
			let response = [];
			fs.writeJson('site/settings.json', settings)
				.then(() => {
					response = {
						type: DataEvent.SETTINGS_UPDATED,
						message: 'Menu order saved, champ'
					};
					resolve(response);
				})
				.catch(err => {
					response = {
						type: DataEvent.REQUEST_LAME,
						message: err
					};
					reject(response);
				});
		});
	}

	editMenu(task, item) {
		switch (task) {
			case DataEvent.MENU_ADD_ITEM:
				break;
			case DataEvent.MENU_DELETE_ITEM:
				fs.readJSON('site/settings.json').then(settings => {
					settings.menu = _.remove(settings.menu, m => {
						return m.uuid != item.uuid;
					});
					fs.writeJSON('site/settings.json', settings);
				});
				break;
		}
	}

	//--------------------------
	// event handlers
	//--------------------------
}