const http = require('http');
const express = require('express');
const cors = require('cors');

const path = require('path');
const apicache = require('apicache');
const logger = require('log4js').getLogger('Server');

const train = require('./server/lib/train');
const twitter = require('./server/lib/twitter');

const WebSocket = require('ws');
const SocketHandler = require('./server/lib/wshandlerv3');

const Events = require('events');
const busEmitter = new Events.EventEmitter();

logger.level = process.env.LOGGER_LEVEL || 'debug';

const app = express();
const port = process.env.PORT || 8100;

const sitePath = 'live';

apicache.options({ 'debug': true });
const cache = apicache.middleware;
app.use(express.json());

app.use(express.static(path.join(__dirname, sitePath)));

app.options('*', cors()); // include before other routes

app.use('/gettrains', cors(), cache('60 seconds'), train.getTrainTimes);
app.use('/getnexttraintimes', cors(), cache('60 seconds'), train.getNextTrainTimes);
app.use('/getroute', cors(), cache('60 seconds'), train.getRoute);
app.use('/getnews', cors(), cache('30 minutes'), train.getNews);
app.use('/getservice', cors(), cache('60 seconds'), train.getService);

app.use('/twitter', cors(), twitter.all);

process.on('uncaughtException', err => {
  logger.error(err);
});

/* app.listen(port, (err) => {
  if (err)
    return logger.error('Server error:', err);

  logger.info(`TrainTime Server is listening on ${port}`);
});*/

const server = http.createServer(app);

try {
  const wss = new WebSocket.Server({ server });

  const webSocket = new SocketHandler(busEmitter, wss);

  twitter.updates(busEmitter);
}
catch (e) {
  logger.error(e);
}

server.listen(port, (err) => {
  if (err)
    return logger.error('Server error:', err);

  logger.info(`New Traintime server listening on ${ server.address().port}`);
});