const express = require('express');
const router = express.Router();
const bcrypt = require('bcryptjs');
const passport = require('passport');
const checkUserAdmin3 = require('../js/helperFuncs');
// Bring in User Model
let User = require('../models/user');
var utils = require('../js/utils');
var nodemailer = require('nodemailer');
var generator = require('generate-password');
const emailFelado='klportal@outlook.com';
String.prototype.replaceAt=function(index, replacement) {
  return this.substr(0, index) + replacement+ this.substr(index + replacement.length);
}
// Register Form
router.get('/register', function(req, res){
  res.render('register');
});

// Email Értesítő
var transporter = nodemailer.createTransport({
  host: 'mail.klelectro.hu',
  port: 465,
  secret: true,
  auth: {
    user: 'munkanyilvantarto@klelectro.hu',
    pass: 'IoSn1Pb1'
  }
});
// Regisztrációs email kiküldése
function sendEmailNewPasswordNotify(user,visiblePassword)
{

  var mailOptions = {
    from: emailFelado,//'munkanyilvantarto@klelectro.hu',//'szamlaertesito@gmail.com',
    to: user.email,
    subject: 'Munkanyílvántartó új jelszó.',
    text: 'That was easy!'
  };
    
    mailOptions.text='Tisztelt '+user.name+'!\nÖn új jelszót kapott.\n\nBelépési adatok:\nWeblap: www.iotechnic.eu\nFelhasználó név: '+user.username+'\nJelszó: '+visiblePassword+'\n';
    transporter.sendMail(mailOptions, function(error, info){
      if (error) {
        console.log(error);
      } else {
        console.log('Email sent: ' + info.response);
      }
    });
}
function sendEmailRegisterNotify(username,pwd,email)
{

  var mailOptions = {
    from: 'munkanyilvantarto@klelectro.hu',//'szamlaertesito@gmail.com',
    to: email,
    subject: 'Munkanyílvántartó regisztráció.',
    text: 'That was easy!'
  };
    
    mailOptions.text="Sikeres regisztráció!\nBelépési adatok:\nWeblap: www.iotechnic.eu\nFelhasználó név: "+username+"\nJelszó: "+pwd+"\n";
    transporter.sendMail(mailOptions, function(error, info){
      if (error) {
        console.log(error);
      } else {
        console.log('Email sent: ' + info.response);
      }
    });
}
// Register Proccess
router.post('/register', function(req, res){
  const name = req.body.name;
  const email = req.body.email;
  const username = req.body.username;
  const password = req.body.password;
  const password2 = req.body.password2;


  req.checkBody('name', 'Name is required').notEmpty();
  req.checkBody('email', 'Email is required').notEmpty();
  req.checkBody('email', 'Email is not valid').isEmail();
  req.checkBody('username', 'Username is required').notEmpty();
  req.checkBody('password', 'Password is required').notEmpty();
  req.checkBody('password2', 'Passwords do not match').equals(req.body.password);

  let errors = req.validationErrors();

  if(errors){
    res.render('register', {
      errors:errors
    });
  } else {
    let newUser = new User({
      name:name,
      email:email,
      username:username,
      auth: 'Test',
      password:password,
      user:req.user,
      chatId:'none'
    });
    var visiblePassword=password;
    bcrypt.genSalt(10, function(err, salt){
      bcrypt.hash(newUser.password, salt, function(err, hash){
        if(err){
          console.log(err);
        }
        newUser.password = hash;
        if(req.body.chk_AddUser==='on')  { newUser.canAdd.user=true;}
        if(req.body.chk_AddWork==='on')  { newUser.canAdd.work=true;}
        if(req.body.chk_AddDevice==='on')  { newUser.canAdd.device=true;}
        if(req.body.chk_AddFiles==='on')  { newUser.canAdd.files=true;}

        if(req.body.chk_EditUser==='on')  { newUser.canModify.user= true;}
        if(req.body.chk_EditWork==='on')  { newUser.canModify.work= true;}
        if(req.body.chk_EditDevice==='on')  { newUser.canModify.device= true;}
        
        if(req.body.chk_DeleteUser==='on')  { newUser.canDelete.user= true;}
        if(req.body.chk_DeleteWork==='on')  { newUser.canDelete.work= true;}
        if(req.body.chk_DeleteDevice==='on')  { newUser.canDelete.device= true;}
        if(req.body.chk_DeleteFiles==='on')  { newUser.canDelete.files= true;}
        if(req.body.chk_DownloadFiles==='on')  { newUser.canDownload= true;}
        if(req.body.chk_Invoices==='on')  { newUser.canAccess.invoices= true;}
        if(req.body.chk_Clients==='on')  { newUser.canAccess.clients= true;}
        if(req.body.chkIsadmin==='on')  { newUser.isAdmin= true;}
        if(req.body.chkIsEmployee==='on')  { newUser.isEmployee= true;}
        if (req.body.chk_InvoicesMail==='on') {newUser.notifyInvoices=true;}
        newUser.save(function(err){
          if(err){
            console.log(err);
            return;
          } else {
            req.flash('success','Sikeres regisztráció, kérem jelentkezzen be');
            sendEmailRegisterNotify(newUser.username,visiblePassword,email);
            res.redirect('/users/login');
          }
        });
      });
    });
  }
});

// Login Form
router.get('/login', function(req, res){
  res.render('login',{
    user:req.user
  });
});

// Login Process
router.post('/login', function(req, res, next){
  passport.authenticate('local', {
    successRedirect:'/',
    failureRedirect:'/users/login',
  })(req, res, next);
});

// logout
router.get('/logout', function(req, res){
  req.logout();
  //utils.logAppend("Sikeres kijelentkezés",'req.user.username');
  req.flash('success', 'Kijelentkezett');
  res.redirect('/users/login');
});


// Edit Form
router.get('/user_edit/:id', utils.ensureAuthenticated,function(req, res){
  User.findById(req.params.id, function(err,user){
    if (err)
    {
      req.flash('danger', 'Nincs ilyen felhasználó!');
      res.render('user_edit',{
        user:user,
        cuser:req.user
      });
    }
    else
    {
      res.render('user_edit',{
        user:user,
        cuser:req.user
      });
    }

  })

});

// New Api key
router.get('/newPassword/:id', utils.ensureAuthenticated,function (req, res) {
  //calling.aFunction();


  let user={};

  var password = generator.generate({
    length: 10,
    numbers: true,
    symbols: true,
  });

  bcrypt.genSalt(10, function(err, salt){
    bcrypt.hash(password, salt, function(err, hash){
      if(err){
        console.log(err);
        res.send({'result': 'error'});
      }
      else
      {
        
      user.password=hash;
      let query = {_id:req.params.id}
      User.findOneAndUpdate(query,user,{ returnNewDocument: true },function(err,document){
          if(err){
            console.log(err);
           res.send({'result': 'error'});
          }else{
            sendEmailNewPasswordNotify(document,password)
            //console.log(document.name);
            res.send({'result': 'success'});
    
          }
        });  
    }
    });
  });

  
});

// Register Proccess
router.post('/user_edit/:id', function(req, res){
  let user={};

  req.checkBody('name', 'Név megadása kötelező').notEmpty();
  req.checkBody('email', 'Email megadása kötelező').notEmpty();
  req.checkBody('email', 'Nem valódi email cím').isEmail();
  req.checkBody('username', 'Username  megadása kötelező').notEmpty();
  req.checkBody('password', 'Jelszó  megadása kötelező').notEmpty();
  req.checkBody('password2', 'A megadott jelszavak nem egyeznek').equals(req.body.password);

  //req.checkBody('passwordOld', 'A régi jelszó hibás').equals(req.user.password);
  let errors = req.validationErrors();
  if(errors){
    res.render('user_edit', {
      errors:errors,
      user:req.user
    });
    } else {
        
        let query = {_id:req.user._id}
        //var oldpass=req.body.passwordOld;
        console.log("Current User:");
        console.log(req.user);
       // console.log(oldpass);
        User.findById(req.params.id,function(err,eUser){ // eUser=aki adatait szerkesztjük
          query = {_id:eUser._id}
         // eUser.comparePassword(oldpass, function(err, isMatch) {
          //req.user.comparePassword(oldpass, function(err, isMatch) {
             // if (isMatch) {

                  eUser.name = req.body.name;
                  eUser.email = req.body.email;
                  eUser.username = req.body.username;
                  
                  if(req.body.chk_AddUser==='on')  { eUser.canAdd.user=true;} else { eUser.canAdd.user=false;}
                  if(req.body.chk_AddWork==='on')  { eUser.canAdd.work=true;} else { eUser.canAdd.work=false;}
                  if(req.body.chk_AddDevice==='on')  { eUser.canAdd.device=true;} else  { eUser.canAdd.device=false;}
                  if(req.body.chk_AddFiles==='on')  { eUser.canAdd.files=true;} else { eUser.canAdd.files=false;}
          
                  if(req.body.chk_EditUser==='on')  { eUser.canModify.user= true;} else { eUser.canModify.user= false;}
                  if(req.body.chk_EditWork==='on')  { eUser.canModify.work= true;} else { eUser.canModify.work= false;}
                  if(req.body.chk_EditDevice==='on')  { eUser.canModify.device= true;} else  { eUser.canModify.device= false;}
                  
                  if(req.body.chk_DeleteUser==='on')  { eUser.canDelete.user= true;} else { eUser.canDelete.user= false;}
                  if(req.body.chk_DeleteWork==='on')  { eUser.canDelete.work= true;} else { eUser.canDelete.work= false;}
                  if(req.body.chk_DeleteDevice==='on')  { eUser.canDelete.device= true;} else  { eUser.canDelete.device= false;}
                  if(req.body.chk_DeleteFiles==='on')  { eUser.canDelete.files= true;} else { eUser.canDelete.files= false;}
                  if(req.body.chk_DownloadFiles==='on')  { eUser.canDownload= true;} else { eUser.canDownload= false;}
                  if(req.body.chk_Invoices==='on')  { eUser.canAccess.invoices= true;} else { eUser.canAccess.invoices= false;}
                  if(req.body.chk_Clients==='on')  { eUser.canAccess.clients= true;} else { eUser.canAccess.clients= false;}
                  if(req.body.chkIsadmin==='on')  { eUser.isAdmin= true;} else { eUser.isAdmin= false;}
                  if(req.body.chkIsEmployee==='on') { eUser.isEmployee= true;} else { eUser.isEmployee= false;}
                  if (req.body.chk_InvoicesMail==='on') {eUser.notifyInvoices=true;} else {eUser.notifyInvoices=false;}
                  if (req.body.password!=eUser.password)//!=req.user.password)
                  {
                    eUser.password = req.body.password;
                    bcrypt.genSalt(10, function(err, salt){
                      bcrypt.hash(eUser.password, salt, function(err, hash){
                        if(err){
                          console.log(err);
                        }
                        eUser.password = hash;
                        User.updateOne(query, eUser, function(err){
                            if(err){
                              req.flash('success','Felhasználói adatok módosítása sikertelen');
                              console.log(err);
                              return;
                            }else{
                              req.logout();
                              req.flash('success','Felhasználói adatok módosítása sikeres, kérem jelentkezzen be újra');
                              res.redirect('/users/login');
                            }
                          });
                      });
                    });

                  }
                  else
                  {

                    User.updateOne(query, eUser, function(err){
                        if(err){
                          req.flash('success','Felhasználói adatok módosítása sikertelen');
                          console.log(err);
                          return;
                        }else{
                          req.logout();
                          req.flash('success','Felhasználói adatok módosítása sikeres, kérem jelentkezzen be újra');
                          res.redirect('/users/login');
                        }
                      });
                    }
             /* } else {
                req.flash('error','Hejtelen régi jelszót adott meg');
                res.redirect('/users/user_edit/'+eUser._id);
                console.log('Incorrect password.' );
              }*/
           // });
          });
        }



});

// Get User list
router.get('/',utils.ensureAuthenticated,function(req,res){

  
  checkUserAdmin3(req,function(err,res){
    admin=res;
    console.log(admin);
  });
 User.find({}, function(err,user){

    var admin=false;
 
    if (err)
    {
      res.render('user', {
        title: 'Felhasználók',
        users: users,
        rot: admin
        });
    }else {
      res.render('user', {
        title: 'Felhasználók',
        users: user,
        rot: admin
        });
    }
 
     

   
  });
});

module.exports = router;