const express = require('express');
const bodyParser = require('body-parser');
const app = express();
const pug = require('pug');
const server = require('http').createServer(app);
//const https = require("https");
const cookieParser = require('cookie-parser');
const fs = require('fs');
const path = require('path');
const formidable = require('formidable');
var port = 3000;

app.use(bodyParser.urlencoded({ extended: true, limit: '20mb' }));
app.use(cookieParser());

app.set('view engine', 'pug')
app.use('/assets', express.static('assets'))
app.use('/tmp', express.static('tmp'))
app.use('/files', express.static('profiles'))

// middleware function to check for logged-in users
var sessionChecker = (req, res, next) => {
  next();
};

// route for Home-Page
app.get('/', sessionChecker, (req, res) => {
  var pageTitle = "Log Parser - Start";
  res.render('intro', { title: pageTitle })
});

app.route('/upload')
  .get(sessionChecker, (req, res) => {
          res.redirect('/');
  })
  .post((req, res, next) => {
      var pageTitle = 'Log Parser - Result';
      const form = formidable({ keepExtensions: true, uploadDir: "tmp" });

      form.parse(req, (err, fields, files) => {
        if (err) {
          next(err);
          return;
        } 

        fs.open(files.logfile.path, 'r', function (err, f) {
          if (err) {
            return console.error(err);
        }

        var result = fs.readFileSync(f).toString().split("\n");
        var jobType = "";

        /*result.forEach(function(line) {
          if (checkJobType(line) !== undefined) {
            jobType = checkJobType(line);
          } 
        }); */

        res.render('upload', {title: pageTitle, files: files, jobtype: jobType, data: result});
        });
      });
  });
 
  server.listen(port, function(){
    console.log('Server started. Listening on *:' + port);
  });

 

// helpers

function uniq(a) {
    return a.sort().filter(function(item, pos, ary) {
        return !pos || item != ary[pos - 1];
    })
}

function isPresetNum(number, def) {
  return isNaN(number) || number == "" ? def : parseInt(number);
}

function findDuplicate(users, clientemail) {
  let result = users.filter((item) => 
  item.email === clientemail && 
  item.type === 'attendee').length > 0; 
  return result;
}

function fmtMSS(s){return(s-(s%=60))/60+(9<s?':':':0')+s}

function checkJobType(line) {
  if (/SNBSVH_220J/.test(line)) {
    return line.match(/(?:type: )(.*)(?:\))/)[1];
  }
  if (/SNBJH_3403J/.test(line)) {
    return "Condense";
  }
  if (/SNBJH_3208J/.test(line)) {
    return line.match(/job type (.*)\)/)[1];
  }
}