//console.log('Hello world!');
const express=require('express');
const path= require('path');
const mongoose=require('mongoose');
const bodyParser=require('body-parser');
const numeral = require('numeral');
const expressValidator = require('express-validator');
const flash = require('connect-flash');
const session = require('express-session');
const passport = require('passport');
const config = require('./config/database');
var fse = require('fs-extra');
var utils = require('./js/utils');
var logging=require('./js/helpers');
//const util = require('util');
//var currentWorkNumber=0;
global.currentWorkNumber=0;
mongoose.Promise = global.Promise;
mongoose.connect('mongodb://nodeUser:Kutafaja1234@localhost/nodekb',{ useMongoClient: true });
//mongoose.connect('mongodb://admin:MarkoSn1Pb1@iotechnic.eu:27017/nodekb',{ useMongoClient: true });
let db = mongoose.connection;
//autoIncrement.initialize(mongoose.connection);

//TEST

// set globals


// Check for DB errors
db.on('error', function(err) {
  console.log(err);
});

// Check connection

db.once('openUri', function(){
  console.log('Connected to MongoDB')
});


// Init app
const app = express();

// Bring in models
let Article = require('./models/article')
let Work=require('./models/works')
let User = require('./models/user');
let KifCert = require('./models/kifcerts');
let Log = require('./models/logmodel');
//let Tool = require('./models/tool')
var wCounter=0;

var findWorkQuery = Work.find({'workNumber': /EMSZ/ }).sort({workCounter : -1}).limit(1);
var utils = require('./js/utils');

function ensureExists(path, mask, cb) {
    if (typeof mask == 'function') { // allow the `mask` parameter to be optional
        cb = mask;
        mask = 0777;
    }
    fs.mkdir(path, mask, function(err) {
        if (err) {
            if (err.code == 'EEXIST') cb(null); // ignore the error if the folder already exists
            else cb(err); // something else went wrong
        } else cb(null); // successfully created folder
    });
}

// Új berendezés sorszám generálása
function getNextWorkId(callback)
  {
    // Find last id

    var cnt=0;
    findWorkQuery.exec(function(err, maxResult){

        if (err) {
          return callback(err);
          }

          if (maxResult[0]===undefined)
          {
            console.log('workCounter undefined...');
            cnt=0;
          }
          else {
            if (maxResult[0].workCounter==undefined)
            {
              cnt=1;
            }
            else {
            cnt=maxResult[0].workCounter;
            }
            console.log(maxResult[0].workCounter);
          }
          cnt++;
          
          console.log('Új WorkID: ' + cnt.toString());
          callback(null, cnt);
    });


  }
// Load view engine
app.set('views',path.join(__dirname,'views'));
app.set('view engine','pug');

// Body parser MW
// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false }))

// parse application/json
app.use(bodyParser.json())

// Set Public folder
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'media')));
app.use(express.static(path.join(__dirname, 'docs')));
app.use(flash());
// Express session middlevare
app.use(session({
  secret: 'keyboard cat',
  resave: true,
  saveUninitialized: true
}))

// Express messages middleware
app.use(require('connect-flash')());
app.use(function (req, res, next) {
  res.locals.messages = require('express-messages')(req, res);
  next();
});

app.use(expressValidator({
  errorformatter: function(param, msg, value){
    var namescape = param.split('.')
    , root = namespace.shift()
    , formParam = root;

    while(namespace.length){
      formParam += '[' + namespace.shift() + ']';
    }
    return {
      param : formParam,
      msg: msg,
      value: value
    };
  }
}));

// Passport Config
require('./config/passport')(passport);
// Passport Middleware
app.use(passport.initialize());
app.use(passport.session());

app.get('*', function(req, res, next){
  res.locals.user = req.user || null;
  next();
});

// Admin check
function checkUserAdmin2(req,callback)
  {
    // Find last id

    if(req.user)
    {
            //console.log(req.user);
            if(req.user.username==='admisJacica' & req.user.auth==='ADMIN')
            {
              callback(null, true);
            }
            else {
              callback(null, false);
            }
    }
  }


// Works Route
app.get('/', utils.ensureAuthenticated, function(req, res) {
  var admin=false;
  
  if(req.user)
  {
    checkUserAdmin2(req,function(err,res){
      admin=res;
      console.log(admin);
    });


      //  if(req.user.username==='admisJacica') ad=true;
  }
    Work.find({},null,{sort: {workDate: -1}} ,function(err, works){
      if (err)
      {
        console.log(err);
      }
      else {
      //  lastId=articles.workNumber;
        res.render('index', {
        title: 'Munkák',
        works: works,
        rot:admin
      //  articles: workSign
      });
    }
    });

});

// Works Route
app.get('/work/layout_table',utils.ensureAuthenticated, function(req, res) {

      res.render('layout_table', {
      title: 'Munkák'
    //  articles: workSign
    });

});

// Edit Work Route
app.get('/work/edit/:id', utils.ensureAuthenticated,function (req,res)  {
  Work.findById(req.params.id,function(err,work){
  if(err)
  {
    console.log(err);
  }
  else {

    var wnE=work.workNumber.substring(0,4);
    var wnY=work.workNumber.substring(5,9);
    var wnN=work.workNumber.substring(10,14);

    res.render('edit_work', {
      title: work.title+' módosítása:',
      work: work,
      wCustom: wnE,
      wYear: wnY,
      wNumber: wnN
    });

  }

  });
});

// Update Work data
app.post('/work/edit/:id', utils.ensureAuthenticated,function(req,res){
  let work = {};

  let query = {_id:req.params.id}

    work.title = req.body.title;
    work.author = req.user._id;
    work.body = req.body.body;

    Work.update(query, work, function(err){
        if(err){
          console.log(err);
          return;
        }else{
          console.log(Work.db.name);
          logging.logAppend("Munka módosítása.",req.user,work.id,Work.db.name,'WORKEDIT');
          req.flash('success',work.title+' adatai sikeresen szerkesztve');
          res.redirect('/work/'+req.params.id);
        }
      });

    //}
});

// Add Work Route
app.get('/work/add', utils.ensureAuthenticated,function (req,res)  {
  var dt = new Date();
  var devId;
  var wnY=dt.getFullYear();
  var workDate= dt.toISOString().replace(/T/, ' ').replace(/\..+/, '');
  // Find last id
  console.log('Keres');
  var admin=false;
  if(req.user)
  {
    checkUserAdmin2(req,function(err,res){
      admin=res;
      console.log(admin);
    });
  }

   getNextWorkId(function(err,wid){
      if(err)
      {
        console.log('Hiba: getNextDevId');
      }
      else {
        //console.log('Kész W' +wid);
        devId=numeral(wid).format('0000');
        wCounter=wid;
        res.render('add_work', {
          title: 'Munka Felvétele',
          workN: devId,
          workDate: workDate,
          dateYear: wnY,
          rot:admin
        });
    }
    });

});

// Add Work Submit POST Route
app.post('/works/add', utils.ensureAuthenticated,function(req,res){
  req.checkBody('title','Munka megnevezése kötelező!').notEmpty();
  req.checkBody('workNumber','Munkaszám formátuma nem megfelelő: pl.: 0001').matches('^[0-9][0-9][0-9][0-9]$');//.notEmpty();
//  req.checkBody('author','Létrehozó nevének megadása kötelező!').notEmpty();
//  req.check('workNumber','Munkaszám fotrmátumnak meg kell felllnie: ÉÉÉÉ/####').matches('^\d{3}$');
  //req.checkBody('workSign','Berendezés jel megadása kötelező!').notEmpty();
  var dt = new Date();
var wnY=dt.getFullYear();

  // Get errors
  let errors = req.validationErrors();

  if(errors)
  {
    var admin=false;
    if(req.user)
    {
      checkUserAdmin2(req,function(err,res){
        admin=res;
        console.log(admin);
      });
    }
    //var devId =numeral(wid).format('0000');
    var workDate= dt.toISOString().replace(/T/, ' ').replace(/\..+/, '');
    res.render('add_work', {
      title: 'Munka Felvétele',
      errors:errors,
      //workN: workN,
      workDate: workDate,
      dateYear: wnY,
      rot:admin
    })
  }
  else {

    let work=new Work();

    work.title = req.body.title;
    work.author = req.user._id;
    work.body = req.body.body;
    if (req.body.workNumberE==="EMSZ")
    {
      work.workNumber = "EMSZ-"+req.body.workNumberY+"/"+ req.body.workNumber;
      work.workCounter=wCounter;
    }
    else {
      work.workNumber = req.body.workNumberY+"/"+ req.body.workNumber;
      work.workCounter=0;
    }
    console.log(work.workNumber);
    work.workDate= req.body.workDate;


    //db.users.findOne({"username" : {$regex : ".*son.*"}});
    Work.findOne({'workNumber': work.workNumber}, function(err,wn) // Megnézzük van e már
    {
        if (err){
          console.log(err);
        }
        else {
          if (wn)
          {
            console.log("Már van ilyen munka");
            req.flash('danger','A '+work.workNumber+' munkaszám már foglalt!');
            res.redirect('/work/add');
          }
          else {

            work.save(function(err){
               if(err){
                 console.log(err);
                 return;
               }else{
// Munka könyvtár létrehozása
                  logging.logAppend("Munka hozzáadása.",req.user,work.id,Work.db.name,'WORKADD');
                 fse.mkdirs('/filedata/'+work._id, function(err){
                   if (err) return console.error(err);

                   console.log("Könyvtár létrehozva! ->"+"/filedata/"+work._id);
                 });
                 req.flash('success','Munka sikeresen felvéve.');
                 res.redirect('/');
               }
             });
          }
        }
    });
}
});


// Get Single Work
app.get('/work/:id',utils.ensureAuthenticated,function(req,res){
Work.findById(req.params.id,function(err,work) // Munka keresése sz ID-je alapján
{

currentWorkNumber=work.workNumber;
console.log(work.devicesArray);
  Article.find({
      '_id': { $in: work.devicesArray
          //mongoose.Types.ObjectId("5a5a0dd6a0bc231270e9fe91"),
          //mongoose.Types.ObjectId('4ed3f117a844e0471100000d'),
          //mongoose.Types.ObjectId('4ed3f18132f50c491100000e')
      }
  }, function(err, docs)
      {
        User.findById(work.author, function(err,user){
          if (err)
          {
            res.render('work',
             {
               work: work,
               articles: docs,
               author: 'Ismeretlen'
             });

          }else {
           //console.log(docs);
           res.render('work',
            {
              work: work,
              articles: docs,
              author: user.name
            });
          }
      });
       }

  );

});
});



//Devices Route
app.get('/devices', utils.ensureAuthenticated,function(req, res) {
  Article.find({}, function(err, articles){
    if (err)
    {
      console.log(err);
    }
    else {
    //  lastId=articles.workNumber;
      res.render('devicesView', {
      title: 'Berendezés gyártási számok',
      articles: articles
    //  articles: workSign
    });
  }
  });

});

// Route Files

let articles = require('./routes/articles');
let users = require('./routes/users');
//let tools = require('./routes/tools');
let certificates_kif = require('./routes/certificates_kif');
let certificates_tr = require('./routes/certificates_tr');
let certificates_mc = require('./routes/certificates_mc');
app.use('/articles', articles);
app.use('/users', users);
//app.use('/tools', tools);
app.use('/certificates_kif',certificates_kif);
app.use('/certificates_tr',certificates_tr);
app.use('/certificates_mc',certificates_mc);
/*
app.delete('/devices/:id',utils.ensureAuthenticated,function(req,res){
  let query = { _id:req.params.id}
  console.log('Miafasz?');
  Article.remove(query, function(err){
    if(err)
    {
      console.log(err);
    }
    res.send('Success');
  })
});
*/


app.listen(80,function functionName() {
  console.log('Server elindult a 80-es porton.');
});
//3. lecke 9:58