server.js

import express from "express";
import mongoose from "mongoose";
import dotenv from "dotenv";
import path from "path";
import { fileURLToPath } from "url";

dotenv.config();

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const app = express();
app.use(express.json());

mongoose.connect(process.env.MONGODB_URI).then(() => {
  console.log("Connected to MongoDB");
}).catch((err) => {
  console.error("MongoDB connection error:", err.message);
});

const waitlistSchema = new mongoose.Schema({
  email: { type: String, required: true, unique: true, lowercase: true, trim: true },
  createdAt: { type: Date, default: Date.now },
});

const Waitlist = mongoose.model("Waitlist", waitlistSchema);

app.post("/api/waitlist", async (req, res) => {
  const { email } = req.body;

  if (!email || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
    return res.status(400).json({ error: "Invalid email address" });
  }

  try {
    await Waitlist.create({ email });
    res.status(201).json({ message: "You're on the list!" });
  } catch (err) {
    if (err.code === 11000) {
      return res.status(409).json({ error: "You're already on the list!" });
    }
    console.error(err);
    res.status(500).json({ error: "Something went wrong" });
  }
});

if (process.env.NODE_ENV === 'production') {
  app.use(express.static(path.join(__dirname, 'dist')));
  
  app.get('*', (req, res) => {
    res.sendFile(path.join(__dirname, 'dist', 'index.html'));
  });
}

const PORT = process.env.PORT || 3001;
app.listen(PORT, () => console.log(`Server running on port ${PORT}`));