import * as functions from "firebase-functions";
import * as admin from "firebase-admin";
admin.initializeApp();

//firebase deploy --only functions
//const db = admin.firestore();
const fcm = admin.messaging();

export const sendTopic = functions.firestore
  .document("classi/{classeID}")
  .onCreate(async snapshot => {
    const body:any = snapshot.data();
    console.log(body);

    if(body.public) {
      const payload: admin.messaging.MessagingPayload = {
        notification: {
          title: `${body.subject} di ${body.event}`,
          body: `Aggiunto da ${body.name} (Pubblico? ${body.public})`,
          icon: "icon",
          clickAction: "FLUTTER_NOTIFICATION_CLICK" //Only for onResume e onLaunch
        }
      };
      return fcm.sendToTopic("classi", payload);
    } else {
      return null;
    }
  });