import { SpotifyWS } from "./spotify.ts"
import { HeartbeatWS } from "./heartbeat.ts";
import { PlayerManager } from "./playerManager.ts";
import { serveDir } from "@std/http/file-server";
import { UserWS } from "./user.ts";

const USER_PATTERN = new URLPattern({pathname: "/ws/user"})
const SPOTIFY_PATTERN = new URLPattern({pathname: "/ws/spotify"})

function commonWs(req: Request) {
  const { socket, response } = Deno.upgradeWebSocket(req);
  return { socket, response };
}

declare global {
  var spotify: SpotifyWS | undefined;
  var playerManager: PlayerManager
}
globalThis.spotify = undefined;
globalThis.playerManager = new PlayerManager()

Deno.serve((req) => {
  if (USER_PATTERN.exec(req.url)) {
    const { socket, response } = commonWs(req);
    new HeartbeatWS(socket);
    new UserWS(socket)

    return response
  } else if (SPOTIFY_PATTERN.exec(req.url)) {
    const { socket, response } = commonWs(req);

    const spState = spotify?.ws.readyState;
    if (spState !== undefined && spState !== WebSocket.CLOSED) spotify?.ws.close();

    new SpotifyWS(socket);
    new HeartbeatWS(socket);

    return response
  }

  return serveDir(req, {fsRoot: "./static", urlRoot: ""})
})