//* https://www.youtube.com/watch?v=DvlyzDZDEq4
const express = require("express");
const app = express();
const server = require("http").Server(app);
const io = require("socket.io")(server);
const { v4: uuidV4 } = require("uuid");
const port = process.env.PORT || 3000;

app.set("view engine", "ejs");
app.use(express.static("public"));

app.get("/", (req, res) => {
	res.redirect(`/${uuidV4()}`);
});

app.get("/:room", (req, res) => {
	res.render("room", { roomId: req.params.room });
});

io.on("connection", (socket) => {
	socket.on("join-room", (roomId, userId) => {
		console.log(`User ${userId} connected to room ${roomId}`);
		socket.join(roomId);
		socket.to(roomId).broadcast.emit("user-connected", userId);

		socket.on("disconnect", () => {
			socket.to(roomId).broadcast.emit("user-disconnected", userId);
		});
	});
});

server.listen(port);