app.js

const express = require('express');
const app = express();
const server = require('http').Server(app);
const dotenv = require('dotenv');
const morgan = require('morgan');
dotenv.config({path: './.env'});
const AppError = require('./helpers/appErrors');
const globalErrorHandler = require('./helpers/error-handler');

// socket.io connection
const io = require('socket.io')(server, {
  cors: process.env.CORS_URL,
});

// cor
const cors = require('cors');
app.use(cors());

// database connnection
const connectDB = require('./config/db');
connectDB();

app.use(express.json());
app.use(morgan('tiny'));
app.use('/public/img/doctor', express.static(__dirname + '/public/img/doctor'));


// *** Route *** 
const doctorRoute = require('./routes/doctorRoute');
const specializationRoute = require('./routes/specializationRoute');
const medicalRecordRoute = require('./routes/medicalRecordRoute');
const patientRoute = require('./routes/patientRoute');
const followUpRoute = require('./routes/followUpRoute');
const staffRoute = require('./routes/staffRoute');
const authRoute = require('./routes/authRoute');

const api = process.env.API_URL;
app.use(`${api}/doctor`, doctorRoute);
app.use(`${api}/specialization`, specializationRoute);
app.use(`${api}/medicalRecord`, medicalRecordRoute);
app.use(`${api}/patient`, patientRoute);
app.use(`${api}/followUp`, followUpRoute);
app.use(`${api}/staff`,staffRoute);
app.use(`${api}/auth`, authRoute);

// socket middleware
const useSocket = require('./helpers/useSocket');
useSocket(io);

app.get('/', (req, res) => {
  res.status(200).json({
    message: 'API is Running',
  });
});

// Error Handler
app.all('*', (req, res, next) => {
  next(new AppError(`Can't find ${req.originalUrl} on this server!`, 404));
});
app.use(globalErrorHandler);

// server
const PORT = process.env.PORT || 5000;
server.listen(PORT, console.log(`Server running in ${process.env.NODE_ENV} on port ${PORT}`));