import { client, xml } from '@xmpp/client'
import debug from '@xmpp/debug'
import DOMPurify from 'isomorphic-dompurify'

import Action from './../../packages/server/actions/action.js'
import logger from './../../packages/server/helper/logger.js'

/**
 *  
 *  
 *  @author Björn Hase <me@herr-hase.wtf>
 *  @license http://opensource.org/licenses/MIT The MIT License
 *  @link https://git.node001.net/HerrHase/super-hog.git
 *
 */

class XmppHelper {

    /**
     *  
     *
     */
    constructor(service, domain, username, password) {
        this.service = service
        this.domain = domain
        this.username = username
        this.password = password
    }

    /**
     *
     *
     */
    async sendToRoom(flow, room, message) {

        // cleaning data 
        message = DOMPurify.sanitize(message)

        const xmpp = client({
            service: this.service,
            domain: this.domain,
            username: this.username,
            password: this.password
        })

        if (process.env.APP_DEBUG) {
            debug(xmpp, true)
        }

        // handle if client has errors
        xmpp.on('error', (error) => {
            logger(flow.uuid).error('xmpp / error ' + error)
        })

        // handle if client goes online
        xmpp.once('online', async (address) => {

            // join group
            await xmpp.send(xml("presence", { to: room + '/' + this.username }, xml("x", { xmlns: 'http://jabber.org/protocol/muc' })))

            // sends a message to the room 
            const message = xml(
                'message', {
                    type: 'groupchat',
                    to: room
                },
                xml('body', {}, message)
            )

            await xmpp.send(message)
            logger(flow.uuid).info('xmpp / message send')

            await xmpp.disconnect()
        })

        await xmpp.start()
    }
}

export default XmppHelper