import { useEffect, useState } from "react"; import { type TwilioError, Call, Device } from "@twilio/voice-sdk"; import { useFetcher } from "@remix-run/react"; import type { TwilioTokenLoaderData } from "~/features/phone-calls/loaders/twilio-token"; export default function useDevice() { const jwt = useDeviceToken(); const [device, setDevice] = useState(null); const [isDeviceReady, setIsDeviceReady] = useState(() => device?.state === Device.State.Registered); useEffect(() => { jwt.refresh(); }, []); useEffect(() => { if (jwt.token && device?.state === Device.State.Registered && device?.token !== jwt.token) { device.updateToken(jwt.token); } }, [jwt.token, device]); useEffect(() => { if (!jwt.token || device?.state === Device.State.Registered) { return; } const newDevice = new Device(jwt.token, { codecPreferences: [Call.Codec.Opus, Call.Codec.PCMU], sounds: { [Device.SoundName.Disconnect]: undefined, // TODO }, }); newDevice.register(); // TODO throwing an error setDevice(newDevice); }, [device?.state, jwt.token, setDevice]); useEffect(() => { if (!device) { return; } device.on("registered", onDeviceRegistered); device.on("unregistered", onDeviceUnregistered); device.on("error", onDeviceError); device.on("incoming", onDeviceIncoming); device.on("tokenWillExpire", onTokenWillExpire); return () => { if (typeof device.off !== "function") { return; } device.off("registered", onDeviceRegistered); device.off("unregistered", onDeviceUnregistered); device.off("error", onDeviceError); device.off("incoming", onDeviceIncoming); device.off("tokenWillExpire", onTokenWillExpire); }; }, [device]); return { device, isDeviceReady, }; function onTokenWillExpire() { jwt.refresh(); } function onDeviceRegistered() { setIsDeviceReady(true); } function onDeviceUnregistered() { setIsDeviceReady(false); } function onDeviceError(error: TwilioError.TwilioError, call?: Call) { console.log("error", error); // we might have to change this if we instantiate the device on every page to receive calls setDevice(() => { // hack to trigger the error boundary throw error; }); } function onDeviceIncoming(call: Call) { // TODO show alert to accept/reject the incoming call /!\ it should persist between screens /!\ prevent making a new call when there is a pending incoming call console.log("call", call); console.log("Incoming connection from " + call.parameters.From); let archEnemyPhoneNumber = "+12093373517"; if (call.parameters.From === archEnemyPhoneNumber) { call.reject(); console.log("It's your nemesis. Rejected call."); } else { // accept the incoming connection and start two-way audio call.accept(); } } } function useDeviceToken() { const fetcher = useFetcher(); return { token: fetcher.data, refresh: () => fetcher.load("/outgoing-call/twilio-token"), }; }