var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var http = require('http');
require('dotenv').config();
const { DebugBuilder } = require("./utilities/debugBuilder");
const { checkIn } = require("./controllers/clientController");

var indexRouter = require('./routes/index'); 
var botRouter = require('./routes/bot');
var clientRouter = require('./routes/client');
var radioRouter = require('./routes/radio');
var { attachRadioSessionToRequest } = require('./controllers/radioController');

const log = new DebugBuilder("client", "app");

var app = express();
var port = process.env.CLIENT_PORT || '3010';

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.set('port', port);

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// Default route
app.use('/', indexRouter);

// Discord bot control route
app.use('/bot', attachRadioSessionToRequest, botRouter);

// Local client control route
app.use("/client", clientRouter);

// Local radio controller route
app.use("/radio", attachRadioSessionToRequest, radioRouter);

// catch 404 and forward to error handler
app.use((req, res, next) => {
  next(createError(404));
});

// error handler
app.use((err, req, res, next) => {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

/**
 * Start the HTTP background server
 */
async function runHTTPServer() {
	var server = http.createServer(app);
	server.listen(port);

	server.on('error', (error) => {
    if (error.syscall !== 'listen') {
      throw error;
    }
  
    var bind = typeof port === 'string'
      ? 'Pipe ' + port
      : 'Port ' + port;
  
    // handle specific listen errors with friendly messages
    switch (error.code) {
      case 'EACCES':
        log.ERROR(bind + ' requires elevated privileges');
        process.exit(1);
        break;
      case 'EADDRINUSE':
        log.ERROR(bind + ' is already in use');
        process.exit(1);
        break;
      default:
        throw error;
    }
  });

	server.on('listening', () => {
		log.INFO("HTTP server started!");		
	})
}

log.DEBUG(`Starting HTTP Server`);
	runHTTPServer();

  log.DEBUG("Checking in with the master server")
  checkIn(true);