"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const functions = require("firebase-functions");
const admin = require("firebase-admin");

admin.initializeApp();
const adminsPath = "/Users/{uid}/Status/Admin";

exports.manageAdminsListUpdate = functions.database.ref(adminsPath)
    .onUpdate((snapshot, context) => {
		const ref = admin.database().ref("Admins/" + context.params.uid);
		if (snapshot.after.val() === null || snapshot.after.val() === false)
			return ref.remove();
		else
			return ref.set(true);
	});

exports.manageAdminsListAdd = functions.database.ref(adminsPath)
    .onCreate((snapshot, context) => {
		const ref = admin.database().ref("Admins/" + context.params.uid);
		if (snapshot.val() === false)
			return ref.remove();
		else
			return ref.set(true);
	});

exports.manageAdminListRemove = functions.database.ref(adminsPath)
    .onDelete((snapshot, context) => {
		return admin.database().ref("Admins/" + context.params.uid).remove();
	});

exports.reactToNewProposedWord = functions.database.ref("/Proposed/{lang}/{word}")
    .onCreate((snapshot, context) => {
		return admin.database().ref("/Admins/")
			.on('value', (valueSnapshot) => {
				if (valueSnapshot === null)
					return;

				const payload = {
					notification: {
					  title: 'New word has been proposed',
					  body: 'The word \'' + context.word + '\' has been proposed'
					}
				};

				valueSnapshot.forEach(child => {
						const key = child.key();
						const token = await admin.database().ref("Users/" + key + "/Messaging/Token").once('value);

						await admin.messaging().sendToDevice(token, payload);
					});
			});
		});

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