const { Console } = require('console');
const { mongo } = require('mongoose');
const { Buffer } = require('buffer');
const uuidAPIKey = require('uuid-apikey');
const Moment = require('moment');
const MomentRange = require('moment-range');
const moment = MomentRange.extendMoment(Moment);
let Employee = require('../models/employee');
let WorkingTime = require('../models/workingtime');
let Work=require('../models/works');
let RfidDevice = require('../models/devices');
const { drawBackground } = require('pdfmake/src/textDecorator');
const passport = require('../config/passport');
// Alkalmazotti lista lekérése

exports.apiRegisterDevice=function(deviceId,username,password,deviceType,callback){
  var apikey=uuidAPIKey.create();

  
  Employee.findOne({ name: username }, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
          if (!employee)   
          callback(null,{'message':'Hibás felhasználói adatok!'});
          else
          employee.comparePassword(password, function(err, isMatch) {
            
          if (!isMatch) {
              // Nem sikerült azonosítani
              callback(null,{'message':'Hibás felhasználói adatok!'});
            }
        
          else
          {
            // Sikeres azonosítás

            RfidDevice.findOne({'imei':deviceId} ,function(err, rfidDevice){
              if (err)
              {
                callback(err,null);
              }
              else {
                if (rfidDevice)
                callback(null,{'message':'Az eszköz már regisztrálva van!','apiKey':employee.apiKey});
                else
                {
                
                let rfidDev=new RfidDevice();

                rfidDev.name=deviceType;
                rfidDev.assignment = employee.name;
                rfidDev.imei = deviceId;
                rfidDev.ccid = deviceType;
                rfidDev.state = 'Mobile terminal';
                rfidDev.save(function(err){
                    if(err){
                      console.log(err);
                      return;
                    }else{
                      
                      let empl={};
                      
                      empl.apiKey=apikey.apiKey;
                      empl.uuid=apikey.uuid;
                      let query = {_id:employee._id}
                      
                      Employee.findOneAndUpdate(query,empl,{ returnNewDocument: true },function(err,document){
                          if(err){
                            console.log(err);
                            return;
                          }else{
                            console.log('Mobil eszköz sikeresen hozzáadva '+employee.name+' ['+deviceType+']');
                            callback(null,{'message':'Sikeres regisztráció.','apiKey':apikey.apiKey});
                          }
                        }); 


                    }
                  });                
                }
              }
          });
        }
      });
    }
});
}

exports.apiRequestAPIkey=function(username,password,callback){
  
  Employee.findOne({ name: username }, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
          if (!employee)   
          callback(null,{'message':'Hibás felhasználói adatok!'});
          else
          employee.comparePassword(password, function(err, isMatch) {
            
          if (!isMatch) {
              // Nem sikerült azonosítani
              callback(null,{'message':'Hibás felhasználói adatok!'});
            }
        
          else
          {
            // Sikeres azonosítás

              console.log('API Key Requested '+employee.name);
              callback(null,{'message':'API kulcs kérés sikeres.','apiKey':employee.apiKey});

        }
      });
    }
});
}

exports.apiCheckDevice=function(deviceId, callback){

  // RFID Eszköz ellenőrzése

    RfidDevice.findOne({'imei':deviceId} ,function(err, rfidDevice){
      if (err)
      {
        callback(err,null);
      }
      else {
        if (rfidDevice)
        callback(null,{'device_state':'OK'});
        else
        callback(null,{'device_state':'FAIL'});
    }
    });
}

exports.apiEmployee=function(apiKey, callback){
  
    Employee.findOne({'apiKey':apiKey}, function(err,employee)
    {
        if (err)
        {
            callback(err,null);
        }
        else
        {
            if (employee)  
            { 
              var mpe=false;
              if (employee.mobilePortalAccessEnabled==true) mpe=true;
              callback(null,{'name':employee.name,'id':employee._id, 'isForeman':employee.isForeman,'mobilePortalAccessEnabled':mpe});
            }
            else
            callback(null,null);
          }
    });
  };

  // Egy havi munkaidő összegzés
exports.apiSumOfMonth=function(employee_id,mindate,callback)
{
  apiGetWorkTimeListById(employee_id,mindate,function(err,wt){
    if (err)
    {
      console.log(err);
      callback(err);
    }
    else {
      var workDays=[];
        wt.forEach(function(element)
        {
          var hoursToday=0;
          var day = moment(element.date,'YYYY.MM.DD.').day();
          var isWeekend = (day === 6) || (day === 0);    // 6 = Saturday, 0 = Sunday
          var latS=element.latitudeS;
          var lonS=element.longitudeS;
          var latE=element.latitudeE;
          var lonE=element.longitudeE;

            if (typeof element.latitudeS==='undefined') latS='N/A'
            if (typeof element.longitudeS==='undefined') lonS='N/A'
            if (typeof element.latitudeE==='undefined') latE='N/A'
            if (typeof element.longitudeE==='undefined') lonE='N/A'

            // Ha hétköznap
            var wdays=workDays.find(e=>e.date===element.date);
            if (wdays)
            { // Már van ilyen nap
              
              wdays.startStop.push({start:element.timeArrive,stop:element.timeGetaway,arriveLoc:element.location,
                getawayLoc:element.locationStop,arriveCoords:{lat:latS,lon:lonS},
                getavayCoords:{lat:latE,lon:lonE}});
                
              wdays.fullHours+=element.workHours;
              }
            else
            {
              // Még nincs ilyen nap, hozzáadjuk
              workDays.push({
                date:element.date,
                isMunkaszunet:false,
                isHoliday:false,
                isWeekend:isWeekend,
                location:element.location,
                notes:element.notes,
                startStop:[{
                  start:element.timeArrive,
                  stop:element.timeGetaway,
                  arriveLoc:element.location,
                  getawayLoc:element.locationStop,
                  arriveCoords:{lat:element.latitudeS,lon:element.longitudeS},
                  getavayCoords:{lat:element.latitudeE,lon:element.longitudeE}  
                }],
                fullHours:element.workHours,
                hours:0,
                overTime:0});
            }
            
                 
        })
        callback(null,workDays);
      }
    })
}
// Munkaidő lekérdezés
function apiGetWorkTimeListById(employeeId,mindate,callback)
{
  var date = new Date();
  var query={};

// Ehavi esedékes

   var firstDay= moment(mindate,"YYYY.MM").startOf('month').format("YYYY.MM.DD.");
   var lastDay = moment(mindate,"YYYY.MM").endOf('month').format("YYYY.MM.DD.");
    //query={$and:[{'state':'ENDED','date': {$gte : firstDay,$lte: lastDay},'employeeId': employeeId}]};
    query={$and:[{'date': {$gte : firstDay,$lte: lastDay},'employeeId': employeeId}]};

    WorkingTime.find(query,null,function(err, wt){
      if (err)
      {
        callback(err);
      }
      else {

        callback(null,wt);
      }
    });  
}

// Munkák listája
exports.apiGetWorkList=function(apiKey,callback){

  Employee.findOne({'apiKey':apiKey}, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
        if (employee)
        {
          Work.find({},{'_id':1,'title':1,'body':1,'state':1},{sort: {workNumber: -1}} ,function(err, woks){
            if (err)
            {
              console.log(err);
            }
            else {
            
            callback(null, woks);
            }
        
          });
        }
        else
        {
          callback(null,null);
        }
      }

      
})
}
exports.apiGetAllReport=function(apiKey,callback){
  Employee.findOne({'apiKey':apiKey}, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
        if (employee)
        { 
          Employee.find({'konyvelesre':'on'},{'_id':1,'name':1},{sort: {name: -1}} ,function(err, emp){
            if (err)
            {
              console.log(err);
            }
            else {
              Work.find(
                {
                  "dailyReport" : {$exists:true}, 
                  $where:'this.dailyReport.length>0'
                },{
                  'title':1,
                  'dailyReport':1,
                  'body':1,
                  'workNumber':1,
                  'poNumber':1,
                  'state':1
                },{
                  sort: {workNumber: 1}
                }
                ,function(err,drList){
                  
                  
                  callback(null,  drList);//{employeeList:emp,reportList:drList});
                }
                )
              }
            })
          }
          else
          {
            callback(err,null);
          }
      }
    });
}

// Napi jelentés get
// Ősszes munka listája
exports.apiGetWorkList=function(apiKey,callback){
  Employee.findOne({'apiKey':apiKey}, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
        if (employee)
        {
              Work.find({},{
                '_id':1,
                'title':1,
                'body':1,                  
                'workNumber':1,
                'poNumber':1,
                'state':1
              },{sort: {workNumber: -1}} ,function(err, woks){
                if (err)
                {
                  console.log(err);
                }
                else {
                
                callback(null, woks);
                }
            
              });

        }
        else
        {
          callback(null,null);
        }
      }

      
})
}
// Munkák listája
exports.apiGetDailyReport=function(apiKey,callback){
  Employee.findOne({'apiKey':apiKey}, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
        if (employee)
        {
          Employee.find({'konyvelesre':'on'},{'_id':1,'name':1},{sort: {name: -1}} ,function(err, emp){
            if (err)
            {
              console.log(err);
            }
            else {
              Work.find({},{'_id':1,'title':1,'body':1,'state':1},{sort: {workNumber: -1}} ,function(err, woks){
                if (err)
                {
                  console.log(err);
                }
                else {
                
                callback(null, {employeeList:emp,workList:woks});
                }
            
              });
            
            }
        
          });
        }
        else
        {
          callback(null,null);
        }
      }

      
})
}

// Munkák listája
exports.apiGetEmployeeList=function(apiKey,callback){

  Employee.findOne({'apiKey':apiKey}, function(err,employee)
  {
      if (err)
      {
          callback(err,null);
      }
      else
      {
        if (employee)
        {
          Employee.find({'konyvelesre':'on'},{'_id':1,'name':1},{sort: {name: -1}} ,function(err, emp){
            if (err)
            {
              console.log(err);
            }
            else {
            
            callback(null, emp);
            }
        
          });
        }
        else
        {
          callback(null,null);
        }
      }

      
})
}