const functions = require('firebase-functions')
const admin = require('firebase-admin')

admin.initializeApp(functions.config().firebase)

exports.userJoined = functions.auth.user().onCreate(user => {
    return admin.firestore().collection('users').doc(user.uid).get().then(doc => {
        const newUser = doc.data()
        const notification = {
            content: 'Joined the app',
            user: `${newUser.firstName} ${newUser.lastName}`,
            time: admin.firestore.FieldValue.serverTimestamp()
        }

        return createNotification(notification)
    })
})