require("dotenv").config();
const express = require("express");
const cors = require("cors");
const { Pool } = require("pg");

const app = express();
const PORT = process.env.PORT || 3000;

// Middleware
app.use(cors());
app.use(express.json());

// PostgreSQL Connection
const pool = new Pool({
  connectionString: process.env.DATABASE_URL,
  ssl: { rejectUnauthorized: false }, // Required for Neon
});

// Test Route
app.get("/", (req, res) => {
  res.send("Backend is running!");
});

// Example: Fetch Users
app.get("/users", async (req, res) => {
  try {
    const result = await pool.query("SELECT * FROM users");
    res.json(result.rows);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// Start Server
app.listen(PORT, () => {
  console.log(`Server running on http://localhost:${PORT}`);
});