app.js

// Basic Lib Imports
const express = require("express");
const helmet = require("helmet"); 
const bodyParser = require('body-parser'); 
const cookieParser = require('cookie-parser'); 
require("dotenv").config();
const cors = require('cors');
const { errorHandler } = require("./app/middleware/errorMiddleware");
const connectDB = require("./config/db");
connectDB(); 

const applicationRoutes = require('./app/routes/index');


const app = express(); 

app.use('/uploads', express.static(__dirname + '/uploads')); 
app.use(helmet());
app.use(bodyParser.json()); 
app.use(cookieParser());
app.use(express.json());
app.use(cors(
  {
    origin: `${process.env.FRONTEND_URL}`,
    credentials: true
  }
));
app.use(
  express.urlencoded({
    extended: false,
  })
);

// Routing Implement
app.use('/api/v1/', applicationRoutes);

// Health Check
app.use("/health", (req, res) => {
  res.status(200).json({ status: 200, success: true, message: "Health OK🔥" });
});

// Root
app.use("/", (req, res) => {
  res.status(200).json({ status: 200, success: true, message: "If you saw this, it's because our servers are working ✅." });
});

// Undefined Route Implement
app.use("*", (req, res) => {
  res.status(404).json({ status: 404, success: false, message: "Not Found" });
});

// Custom error handler
app.use(errorHandler);

module.exports = app;