const express = require("express");
const cors = require("cors");
const mongoose = require("mongoose");
const { createServer } = require("http");
const { Server } = require("socket.io");

const dotenv = require("dotenv");

if (process.env.NODE_ENV) {
  dotenv.config({
    path: `.env.${process.env.NODE_ENV}`,
  });
} else {
  dotenv.config();
}

const app = express();
const httpServer = createServer(app);
const io = new Server(httpServer, {
  path: '/api/socket.io',
  cors: {
    origin: true,
    credentials: true,
  },
});

const connectDB = require("./db");

// const gridCellsRouter = require("./routes/gridCells");
// gridCellsRouter.setIO(io);

// connect database
connectDB();

app.use(
  cors({
    origin: true,
    credentials: true,
  })
);

app.use(express.json());

// Socket.IO
io.on("connection", (socket) => {
  console.log(`Socket connected: ${socket.id}`);

  socket.on("disconnect", () => {
    console.log(`Socket disconnected: ${socket.id}`);
  });
});

app.get("/api/test", (req, res) => {
  console.log("Hey");
  res.json({ message: "Hello from backend!" });
});

// Site management routes
const sitesRouter = require("./routes/sites");
app.use("/api/sites", sitesRouter);

const PORT = process.env.PORT || 5000;
httpServer.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`);
});