const express = require('express');
const router = express.Router();
let Article = require('../models/article');
let Work=require('../models/works');
let itemGroup=require('../models/itemgroup');
// User Model
let User = require('../models/user');
var utils = require('../js/utils');
let ComponentBase= require('../models/componentbase');
var logging=require('../js/helpers');
let Client = require('../models/client');
var formidable = require('formidable');
var csv = require("fast-csv");
var fs = require('fs');
// GetClients Midleware
// Beteszi a req.clients térbe a klienslistát
function getClients(req, res, next) {

  // Process the data received in req.body
  // instead of res.redirect('/');
  Client.find({} ,function(err, clients){
    if (err)
    {
      console.log(err);
    }
    else {
    req.clients = clients;
  return next();
    }
  });

}
// Cikkcsoport lekérés middleware
function getItemGroups(req, res, next) {

  // Process the data received in req.body
  // instead of res.redirect('/');
  itemGroup.find({} ,function(err, igroups){
    if (err)
    {
      console.log(err);
    }
    else {
    req.itemGroups = igroups;
  return next();
    }
  });

}
var tsep5 = function (num)
{
  var i=0;
  var num_parts = num.toString().split(".");
  num_parts[0] = num_parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, " ");
  return num_parts.join(".");
}; 
// Ajax keresés
 // Add ItemGroups AJAX
 router.post('/addItemGroup', utils.ensureAuthenticated,function (req,res)  {
 
  // let man=new Item();
  // var findman=Item.findOne( {'name' : req.body.content});
  // var q = Client.find({'name': new RegExp(req.body.content, 'i')}).limit(20);
   var response = {
     status  : 200,
     data : 'null'
     }
     var itemGrp=new itemGroup();
     itemGrp.name=req.body.content;
     itemGroup.find({'name': { $regex: "^"+req.body.content+"$", $options: '-i' }},function(err, components){
      if (err)
      {
        console.log('DB ERR find item group.');
        response = {
          status  : 200,
          data : null
          }
          res.send(response);
      }
      else
      {
        if (components.length>0)
        {
          console.log('Már van ilyen cikkcsoport!');
          response = {
          status  : 200,
          data : null
          }
          res.send(response);
        }
        else
        {
          console.log('content: '+itemGrp.name);
          itemGrp.save(function(err){
              if(err){
                console.log(err);
                response = {
                 status  : 200,
                 data : null
                 }
                 res.send(response);
              }else{
               console.log('Cikk csoport sikeresen hozzáadva');
               response = {
                 status  : 200,
                 data : {'id':itemGrp._id,'name':itemGrp.name}
                 }
                 res.send(response);
              }
            }); 
        }
      }
     })
    

  });
 // Find Components on keypress AJAX
 router.post('/find', utils.ensureAuthenticated,function (req,res)  {
 
  // let man=new Item();
  // var findman=Item.findOne( {'name' : req.body.content});
  // var q = Client.find({'name': new RegExp(req.body.content, 'i')}).limit(20);
   var response = {
     status  : 200,
     data : 'null'
     }
 
     ComponentBase.find({$or: [{'ean1': new RegExp(req.body.content, 'i')},{'itemNumber': new RegExp(req.body.content, 'i')},{'parameters': new RegExp(req.body.content, 'i')},{'name': new RegExp(req.body.content, 'i')}]}).limit(200).exec(function(err, components){
       if (err)
       {
         console.log(err);
         return;
       }
       if(components) {
         response = {
           status  : 200,
           data : components
           }
       }
       else
       {
           response = {
           status  : 200,
           data : null
           }
       
           console.log('Tools find: null');
       }
       res.send(response);
      
   });
  });
// Cikk keresése
// Find ItemsBy Number on keypress
router.post('/findByEan', utils.ensureAuthenticated,function (req,res)  {
 
  //console.log(req.body.content);
  var fb=req.body.findBy;
  console.log(fb+req.body.content);
  if (fb==='ean1')
  {
    var q = ComponentBase.findOne({'ean1' : req.body.content});//.limit(20);
  }
  if (fb==='itemNumber')
    var q = ComponentBase.findOne({'itemNumber': req.body.content});//.limit(20);
  
          q.exec(function(err,t){
              if (err) 
              {
                  console.log(err);
                  return;
              }
              if (t)
              {
           
                  response = {
                  status  : 200,
                  result : 'OK',
                  data : t
                  }
              
              }
              else
              {
                  response = {
                  status  : 200,
                  result : 'Not Found',
                  data : null
                  }
              
                  //console.log('Tools find: null');
              }
              res.send(response);
      });

 });

router.get('/uploadnew', utils.ensureAuthenticated,function(req,res){

          res.render('components_base_upload', {
              title: 'Árlista feltöltés',
              rot: req.user.isAdmin,
              });

});


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

  form.parse(req);

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

      var stream = fs.createReadStream(file.path);

         
              var items=[];
              
              console.log('Kiválasztott fájl: '+file.name);
              csv
                  .fromStream(stream, {delimiter:';',headers : ["parameters","itemNumber","name","ean","price"]})
                  .on("data", function(data){
                      var item= new ComponentBase();
                     
                      item.manufacturer='ABB';
                      item.itemNumber=data.itemNumber;
                      item.name=data.name;
                      item.ean1=data.ean;
                      item.price=data.price;
                      item.parameters=data.parameters;
                      item.itemUnit='db';
                      item.itemGroup='KIF';
                      item.valuta='HUF';
                      item.stock=0;
                      item.minimumStock=10;
                      item.supplierId='5c3e1a59bef5ae0a203482e6';
                      items.push(item);
        
                  //    console.log(data);
                  })
                  .on("end", function(){
                      console.log("Start import...");
                      console.log("Remove old entries of ");
                      ComponentBase.deleteMany({},function(err, result){
                          if (err)
                          {
                              req.flash('error','Hiba a feltöltés során');
                              console.log("Removing error!");
                              res.redirect('/components_base/uploadnew');
                          }
                          else
                          {
                              console.log("Removing Ok.");
                              console.log("Start importing...");
                              console.log("Sikeres import!");
                                      req.flash('success','Árlista sikeresen hozzáadva');
                                      var response = {
                                        status  : 200,
                                        data : null
                                        }
                                        res.send(response);
                                      //res.redirect('/components_base/uploadnew');
                                      ComponentBase.insertMany(items,function(err){
                          
                                  if(err){
                                  console.log(err);
                                  return;
                                  }
                              });    
                    
                              console.log("done");
                          }
                      });
                  });
        
   
  });
});
// Komponens lista
router.get('/list', utils.ensureAuthenticated,function(req, res) {

  //ComponentBase.find({}).populate('deviceID').populate('workID').exec(function(err, components){
    ComponentBase.find({}).limit(200).exec(function(err, components){
      if (err)
      {
        console.log(err);
      }
      else {
        res.render('components_base_list', {
          //res.render('table', {
          title: 'Komponens lista',
          tsep5:tsep5,
          componentsList:components
      
        });
      }
      });

  });
  // Komponens lista
router.get('/data-source', utils.ensureAuthenticated,function(req, res) {

  ComponentBase.find({},function(err, components){
      if (err)
      {
        console.log(err);
      }
      else {
        var response = {
          status  : 200,
          data : components
          }
        //res.render('components_base_list', {
          res.send(response);

      }
      });

  });
// Komponens hozzáadása az adatbázishoz
router.get('/new', utils.ensureAuthenticated,getClients,getItemGroups, function (req,res)  {

      res.render('compbase_add', {
        title: 'Új komponens felvétele az adatbázisba',
        igroups: req.itemGroups,
        clients: req.clients,
        deviceID: req.params.aid,
        workID: req.params.wid,
        rot: req.user.isAdmin,
      });
   });
// Komponens hozzáadása az adatbázishoz
router.post('/new',utils.ensureAuthenticated,getClients,getItemGroups, function(req,res){
    req.checkBody('compName','Komponens megnevezése kötelező!').notEmpty();
    req.checkBody('compParams','Paraméterek megadása kötelező!').notEmpty();
    req.checkBody('ean1','EAN kód kötelező!').notEmpty();
    req.checkBody('supplierId','Beszállító nem lehet üres!').notEmpty();
    req.checkBody('itemGroupName','Cikkcsoport nem lehet üres!').notEmpty();
    // Get errors
    let errors = req.validationErrors();
  
    if(errors)
    {
        var component={name:'',parameters:''};

          res.render('compbase_add', {
            title: 'Komponensek felvétele',
            errors:errors,
            igroups: req.itemGroups,
            clients: req.clients,
            rot: req.user.isAdmin,
            user: req.user,
            comp: component,
          });

    } else {
        
        ComponentBase.findOne({itemNumber: req.body.itemNumber,supplierId: req.body.supplierId},function(err,component)
        {
          //console.log(certs);
        if (err)
        {
            console.log(err);
            return;
        }
        if (component)
        {
            req.flash('error','Ez a cikkszám már szerepel az '+req.body.supplier+' beszállító adatbázisban!');// <a href="/articles/'+component.deviceID+'/'+component.workID+'"> Katt a megtekintéshez</a>.');
            console.log('Már létező componentID: '+component._id);
            res.render('compbase_add', {
                title: 'Komponensek felvétele',
                errors:errors,
                igroups: req.itemGroups,
                rot: req.user.isAdmin,
                user: req.user,
                clients: req.clients,
               // comp: component,
              });
        }
        else
        {
            let component=new ComponentBase();
            component.manufacturer=req.body.manufacturer;
            component.name=req.body.compName;
            component.parameters=req.body.compParams;
            component.itemUnit=req.body.itemUnit;
            component.itemNumber=req.body.itemNumber;
            component.itemGroup=req.body.itemGroupName;
            component.ean1=req.body.ean1.replace('ö','0');
            component.valuta=req.body.valuta;
            component.price=req.body.itemPrice;
            component.stock=0;
            component.options='OWN';
            component.minimumStock=req.body.minStock;
            component.supplierId=req.body.supplierId;
            component.save(function(err){
                if(err){
                  console.log(err);
                  return;
                }else{
                  if (req.body.action==='save')
                  {
                    req.flash('success','Komponenes sikeresen hozzáadva.');
                    res.redirect('/');
                  }
                  if (req.body.action==='saveAndNew')
                  {
                    req.flash('success','Komponenes sikeresen hozzáadva.');
                    res.redirect('/components_base/new');
                    
                  }                  
                       
                }
              });
        }
        });


    }
  });

  module.exports = router;