const express = require('express');
const router = express.Router();
// User Model
let User = require('../models/user');
var utils = require('../js/utils');
const path = require('path');
var formidable = require('formidable');
let busboy = require('connect-busboy');
let Item = require('../models/item');
let Client = require('../models/client');
let Warehouse = require('../models/warehouse');
var csv = require("fast-csv");
const checkUserAdmin3 = require('../js/helperFuncs');
var fs = require('fs');


// Get Single Work
router.get('/barcode:id',utils.ensureAuthenticated,function(req,res){
  console.log(req.params.id);


/*
  var man=new Manufacturer();

  man.name='ABB Mérnöki, Kereskedelmi és Szolgáltató Kft.';
  man.shortName='ABB';
  man.author='Kutafaja';
  man.body='1134 Budapest, Kassák Lajos u, 19-25. Tel.:	+(36-1)443-2100  Fax:	+(36-1)443-2211  Levélcím: 1558 Budapest, 139., Pf. 129';
  man.manufacturerDiscount=60;
  man.save(function(err){
    if(err){
      console.log(err);
      return;
    }else{
        res.send('Barcode: '+req.params.id);
    }
  });
*/

 /*var item=new Item();

 item.title='RVT2-12 Automatika, REG F5/6 V100/440';
 item.author='Kutafaja';
 item.body='nincs';
 item.itemNumber='2GCA291721A0050';
 item.typeCode='2GCA291721A0050';
 item.netListPrice=368250;
 item.discount=0;
 item.manufacturer='5af83985d896d920042c19ac';
 item.save(function(err){
   if(err){
     console.log(err);
     return;
   }
 });*/
  res.send('Barcode: '+req.params.id);
/*  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
              });
            }
        });
         }
  
    );
  
  });*/
  });

// Find Tools on keypress
router.post('/find', utils.ensureAuthenticated,function (req,res)  {
 
    let man=new Item();
    var findman=Item.findOne( {'name' : req.body.content});
    var q = Item.find({'itemNumber': new RegExp(req.body.content, 'i')}).limit(20);
    var response = {
      status  : 200,
      data : 'null'
  }
   /* tool.productCode=req.body.itemCode;
    tool.title=req.body.itemTitle;
    tool.barCode=req.body.itemBarCode;
    tool.quantity=req.body.itemQty;
  */
    if (req.body.findBy==='Name')
    
    //findTool.exec(function(err,t){
      //Item.find({'itemNumber' : new RegExp(req.body.content, 'i')},function(err,t){
        q.exec(function(err,t){
    if (err) 
      {
        console.log(err);
        return;
      }
      if (t)
      {
        t.forEach(function(tetel){
          //console.log('Tools find:' +tetel.name);
        })
       
        response = {
          status  : 200,
          data : t
        }
       
      }
      else
      {
        response = {
          status  : 200,
          data : null
        }
    
        console.log('Tools find: null');
      }
     res.send(response);
    });
   });

  router.get('/uploadnew', utils.ensureAuthenticated,function(req,res){
    Client.find({}, function(err,manuf)
    {
        var admin=false;
        if (err)
        {
            console.log(err);
            res.send('Hiba történt az oldal betöltése során. ');
        }
        else
        {
            if(req.user)
            {
              checkUserAdmin3(req,function(err,res){
                admin=res;
              });
            }
            manuf.forEach(element => {
                console.log('Gyártó: '+element.name);
            });
            res.render('uploadWarehouse', {
                title: 'Gyártói árlista feltöltés',
                manufacturers: manuf,
                rot:admin,
                //wid:req.params.wid
                //artice: workSign
                });
        }
 
    });
  });

  

router.post('/uploadnew/:id', function (req, res){
    var form = new formidable.IncomingForm();

    form.parse(req);


   /* form.on('fileBegin', function (name, file){
        file.path = __dirname + '/uploads/' + file.name;
    });*/

    form.on('file', function (name, file)
    {
        console.log('Uploaded ' +file.path);

        var stream = fs.createReadStream(file.path);
        Client.findById(req.params.id, function(err,manuf)
        {
            if (err)
            {
                console.log(err);
                res.send('Hiba történt az oldal betöltése során. ');
            }
            else
            {
                var items=[];
                
                console.log('Kiválasztott gyártó: '+manuf.shortName);
                console.log('Kiválasztott fájl: '+file.name);
                csv
                    .fromStream(stream, {delimiter:';',headers : ["itemTypeCode","itemNumber","title","netListPrice","author","body","manufacturer","discount"]})
                    .on("data", function(data){
                        var item= new Item();
                       
                        item.title=data.title;
                        item.author=req.user.id;
                        item.body="none";
                        item.manufacturer=manuf.id;
                        item.itemNumber=data.itemNumber;
                        item.itemTypeCode=data.itemTypeCode;
                        item.netListPrice=data.netListPrice;
                        item.discount=req.body.manufacturerDiscount;
                        
                        items.push(item);
          
                    //    console.log(data);
                    })
                    .on("end", function(){
                        console.log("Start import...");
                        console.log("Remove old entries of "+manuf.name);
                        Item.deleteMany({'manufacturer':manuf._id},function(err, result){
                            if (err)
                            {
                                req.flash('error','Hiba a feltöltés során');
                                console.log("Removing error!");
                                res.redirect('/warehouse/uploadnew');
                            }
                            else
                            {
                                console.log("Removing Ok.");
                                console.log("Start importing...");
                                console.log("Sikeres import!");
                                        req.flash('success','Árlista sikeresen hozzáadva');
                                        res.redirect('/warehouse/uploadnew');
                                Item.insertMany(items,function(err){
                            
                                    if(err){
                                    console.log(err);
                                    return;
                                    }/*else
                                    {
                                        console.log("Sikeres import!");
                                        req.flash('success','Árlista sikeresen hozzáadva');
                                        res.redirect('/warehouse/uploadnew');
                                    }*/
                                });    
                      
                                console.log("done");
                            }
                        });



                    });
            }
        });
    });

           /* csv
            .fromStream(stream, {delimiter:';',headers : ["itemTypeCode","itemNumber","title","netListPrice","author","body","manufacturer","discount"]})
            .on("data", function(data){
                console.log(data);
            })
            .on("end", function(){
                console.log("done");
            });*/
       /* var fs = require('fs');
 
        fs.readFile(file.path, 'utf8', function(err, contents) {
            //console.log(contents);
            var item=new Item();

            item.title='RVT2-12 Automatika, REG F5/6 V100/440';
            item.author='Kutafaja';
            item.body='nincs';
            item.itemNumber='2GCA291721A0050';
            item.typeCode='2GCA291721A0050';
            item.netListPrice=368250;
            item.discount=0;
            item.manufacturer='5af83985d896d920042c19ac';
            item.save(function(err){
              if(err){
                console.log(err);
                return;
              }
            });            
        });*/
         
   // });


   //res.redirect('/warehouse/uploadnew');
});
/*
  router.post('/uploadnew', function(req, res) {
 
    var form = new formidable.IncomingForm();
        //var fs = require('fs');
        
        // request.files is an object where fieldname is the key and value is the array of files
        form.parse(req, function(err, fields, files) {
            // `file` is the name of the <input> field of type `file`
            var old_path = files.file.path,
                file_size = files.file.size,
                file_ext = files.file.name.split('.').pop(),
                index = old_path.lastIndexOf('/') + 1,
                file_name = old_path.substr(index),
                new_path = path.join(process.env.PWD, '/uploads/', file_name + '.' + file_ext);
    
            fs.readFile(old_path, function(err, data) {
                fs.writeFile(new_path, data, function(err) {
                    fs.unlink(old_path, function(err) {
                        if (err) {
                            res.status(500);
                            res.json({'success': false});
                        } else {
                            res.status(200);
                            res.json({'success': true});
                        }
                    });
                });
            });
        });
        
     

      //Generating thumbnails
  

});*/
// Új raktár létrehozás
router.get('/newwarehouse', utils.ensureAuthenticated,function(req,res){
    Warehouse.find({}, function(err,warehouses)
    {
        var admin=false;
        if (err)
        {
            console.log(err);
            res.send('Hiba történt az oldal betöltése során. ');
        }
        else
        {
   
            if(req.user)
            {
              checkUserAdmin3(req,function(err,res){
                admin=res;
              });
            }
            res.render('newwarehouse', {
                title: 'Új raktár létrehozás',
                warehouses: warehouses,
                rot: admin
                });
        }
 
    });
  });

router.post('/newwarehouse', function (req, res){

    Warehouse.findOne({name: req.body.warehouseName},function(err,warehouse){
 
        if (err)
        {
            req.flash('error','Raktár létrehozása sikertelen!');
            res.redirect('/warehouse/newwarehouse');
        }
        else
        {

            if(!warehouse)
            {
                var wh=new Warehouse();

                wh.name=req.body.warehouseName;
            
                wh.save(function(err){
                    if(err){
                      console.log(err);
                      return;
                    }else{
            
                        req.flash('success','Raktár sikeresen létrehozva');
                        res.redirect('/warehouse/newwarehouse');
                    }
                });
            }
            else
            {
                req.flash('error','Már van ilyen nevű raktár!');
                res.redirect('/warehouse/newwarehouse');
            }
        }
    })

});
module.exports = router;