app.js

const express = require("express");
const mongoose = require("mongoose");
const blogRouter = require("./routes/BlogRoutes");
require('dotenv').config();
const swaggerUI = require("swagger-ui-express");
const swaggerJsDoc = require("swagger-jsdoc");

const app = express();

//middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use("/api/blogs", blogRouter);

//configure mongoose
mongoose.connect(
  process.env.MONGODB_URI,
  {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  },
  (err) => {
    if (err) {
      console.log(err);
    } else {
      console.log("Connected to MongoDB");
    }
  }
);

const options = {
  definition: {
    openapi: "3.0.0",
    info: {
      title: "Library API",
      version: "1.0.0",
      description: "A simple Express Library API",
    },
    servers: [
      {
        url: process.env.BASE_URL,
      },
    ],
  },
  apis: ["./routes/*.js", "./routes/schemas/*.js"],
};

if(process.env.NODE_ENV == "development"){
    const specs = swaggerJsDoc(options);
    app.use("/api-docs", swaggerUI.serve, swaggerUI.setup(specs));
}


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

module.exports = app;