config.js

import express from "express";
import mongoose from "mongoose";
import dotenv from "dotenv";
import swaggerUi from "swagger-ui-express";
import swaggerJsdoc from "swagger-jsdoc";
import cors from "cors";

// import userRoutes from "./routes/userRoutes.js";
import appRoutes from "./src/routes/appRoutes.js";

dotenv.config();
const app = express();

const corsOptions = {
  origin: "http://localhost:5173", // Allow only your frontend domain
  methods: "GET,POST,PUT,DELETE",
  allowedHeaders: "Content-Type,Authorization",
};

// Use CORS middleware
app.use(cors(corsOptions));

// Connect to DB
const PORT = process.env.PORT || 8000;
const MONGOURL = process.env.MONGO_URL;

mongoose
  .connect(MONGOURL, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    console.log("Database connected successfully.");
    app.listen(PORT, () => {
      console.log(`Server is running on port ${PORT}`);
    });
  })
  .catch((err) => {
    console.error("Database connection error:", err);
  });

// Swagger

const swaggerOptions = {
  swaggerDefinition: {
    openapi: "3.0.0",
    info: {
      title: "Express API with Swagger",
      version: "1.0.0",
      description:
        "This is a simple CRUD API application made with Express and documented with Swagger",
    },
    servers: [
      {
        url: "https://testdb-fajc.onrender.com",
      },
      {
        url: "http://localhost:8000",
      },
    ],
  },
  // Update here to include the path to your controllers
  apis: ["./src/routes/*.js", "./src/controllers/*.js"],
};

const specs = swaggerJsdoc(swaggerOptions);
app.use(
  "/api-docs",
  swaggerUi.serve,
  swaggerUi.setup(specs, { explorer: true })
);

// app.use("/allusers", userRoutes);
app.use("/api", appRoutes);

app.use((req, res, next) => {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE");
  res.header("Access-Control-Allow-Headers", "Content-Type, Authorization");
  next();
});