const express = require('express');
const app = express();
const http = require('http').createServer(app);
const io = require('socket.io')(http, {cors:{origin:'*'}});

app.use(express.static('public'));

const players = {};

io.on('connection', (socket) => {
  console.log('conn', socket.id);
  players[socket.id] = { id: socket.id, x:0, y:0, z:0, rotY:0 };
  socket.emit('init', { id: socket.id, players });
  socket.broadcast.emit('playerJoined', players[socket.id]);

  socket.on('update', (data) => {
    if (players[socket.id]) {
      players[socket.id].x = data.x;
      players[socket.id].y = data.y;
      players[socket.id].z = data.z;
      players[socket.id].rotY = data.rotY;
      socket.broadcast.emit('playerUpdate', players[socket.id]);
    }
  });

  socket.on('disconnect', () => {
    console.log('disc', socket.id);
    delete players[socket.id];
    socket.broadcast.emit('playerLeft', socket.id);
  });
});

const PORT = process.env.PORT || 3000;
http.listen(PORT, () => console.log('Server running on', PORT));