import { createServer } from "http";
import { parse } from "url";
import next from "next";
import { setupWebSocket } from "./lib/websocket";

const dev = process.env.NODE_ENV !== "production";
const hostname = "0.0.0.0";
const port = parseInt(process.env.PORT || "3000", 10);

const app = next({ dev, hostname, port });
const handle = app.getRequestHandler();

app.prepare().then(() => {
  const httpServer = createServer(async (req, res) => {
    try {
      const parsedUrl = parse(req.url!, true);
      await handle(req, res, parsedUrl);
    } catch (err) {
      console.error("Error occurred handling", req.url, err);
      res.statusCode = 500;
      res.end("internal server error");
    }
  });

  // Setup WebSocket
  setupWebSocket(httpServer);

  httpServer.listen(port, () => {
    console.log(
      `> Server listening at http://${hostname}:${port} as ${
        dev ? "development" : process.env.NODE_ENV
      }`
    );
  });
});