app.js

import express from "express";
import mongoose from "mongoose";
import cors from "cors";
import dotenv from "dotenv";
import morgan from "morgan";
import cookieParser from "cookie-parser";
import path from "path";
import { fileURLToPath } from "url";
import userRoutes from "./routes/users.js";
import shoesPageRoutes from "./routes/productRoute.js";
import orderRoutes from "./routes/order.js";

// Load environment variables
dotenv.config();

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

const app = express();
const PORT = process.env.PORT || 5000;

// Middleware
app.use(cookieParser());
app.use(express.json({ limit: "30mb" }));
app.use(express.urlencoded({ limit: "30mb", extended: true }));
app.use(
  cors({
    origin: process.env.ALLOWED_ORIGINS
      ? process.env.ALLOWED_ORIGINS.split(",")
      : ["http://localhost:3000"],
    credentials: true,
  })
);
app.use(morgan("dev"));

// Serve static files from the "public" directory
app.use(express.static(path.join(__dirname, "public")));

// Serve the initial HTML page
app.get("/", (req, res) => {
  res.sendFile(path.join(__dirname, "public", "index.html"));
});

// Routes
app.use("/user", userRoutes);
app.use("/shoesPage", shoesPageRoutes);
app.use("/order", orderRoutes);

// Error handling middleware
app.use((err, req, res, next) => {
  console.error(err.stack);
  res.status(500).send("Something went wrong!");
});

// Database connection and server startup
mongoose.set("strictQuery", false);
(async () => {
  try {
    await mongoose.connect(process.env.CONNECTION_URL, {
      useNewUrlParser: true,
      useUnifiedTopology: true,
    });
    app.listen(PORT, () => console.log(`Server running on port ${PORT}`));
  } catch (error) {
    console.log(error);
  }
})();

export default app;