let WorkReport = require('../models/workReportModel');
let Employee = require('../models/employee');
const asyncHandler = require('express-async-handler');
var mongoose = require('mongoose');
const moment = require('moment');
/*
exports.apiSaveReport=asyncHandler(async (req,res)=>{
    const {workId,foremanId,date, workTitle,employeeList }=req.body;
    const workReport = new WorkReport({
        workId: mongoose.Types.ObjectId(workId),
        date:new Date(date),
        foremanId: mongoose.Types.ObjectId(foremanId),  
        workTitle: workTitle,
        employeeList: employeeList
    
    })
    res.setHeader('Content-Type', 'application/json');
    try{
    await workReport.save();
    res.send({'response':'ok','message':'Sikeresen létrehozva!'});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});
*/

exports.apiSaveReport=asyncHandler(async (req,res)=>{
    const {workId,foremanId,date, workTitle,workFlow }=req.body;
    const workReport = new WorkReport({
        workId: mongoose.Types.ObjectId(workId),
        date:new Date(date),
        foremanId: mongoose.Types.ObjectId(foremanId),  
        workTitle: workTitle,
        workFlow: workFlow
    
    })
    res.setHeader('Content-Type', 'application/json');
    try{
    await workReport.save();
    res.send({'response':'ok','message':'Sikeresen létrehozva!'});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});

exports.apiUpdateReport=asyncHandler(async (req,res)=>{
    const {workReport }=req.body;

   
    res.setHeader('Content-Type', 'application/json');
    try{
        await WorkReport.replaceOne(
            {_id: mongoose.Types.ObjectId(workReport._id)},
            workReport
            )
    res.send({'response':'ok','message':'Sikeresen mentve!'});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});
/*exports.apiGetReport=asyncHandler(async (req,res)=>{
    //const {workId,foremanId, workTitle,employeeList }=req.body;

    res.setHeader('Content-Type', 'application/json');
    try{
    const reports=await WorkReport.find({workId: mongoose.Types.ObjectId(req.params.id)})
    res.send({'response':'ok','reports':reports});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});*/
exports.apiGetReport=asyncHandler(async (req,res)=>{
    //const {workId,foremanId, workTitle,employeeList }=req.body;

    res.setHeader('Content-Type', 'application/json');
    try{
        var wtSum=0;
        var dr_firstDay= moment(req.params.date,"YYYY.MM").startOf('month').toDate();
        var dr_lastDay = moment(req.params.date,"YYYY.MM").endOf('month').toDate();
    const reports=await WorkReport.find({workId: mongoose.Types.ObjectId(req.params.id),
        date: {
            $gte: dr_firstDay,
            $lte: dr_lastDay
          }
    })
    const workTimesSum=await WorkReport.aggregate(
        [
            { $match: { 'workId': mongoose.Types.ObjectId(req.params.id),
                date: {
                    $gte: dr_firstDay,
                    $lte: dr_lastDay
                }                
            } },
            {$unwind: '$workFlow'},
            {$unwind: '$workFlow.employeeList'},
            {$group: {_id: '$workFlow.EmployeeList', count:{$sum:1}}},
            { "$limit": 1 },
            {"$project": {"_id":0,
                "count": 1,}
              }
        ]
    )
    
    if (workTimesSum.length>0) wtSum=workTimesSum[0].count*8
    res.send({'response':'ok','reports':reports, 'workTimesSum':wtSum});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});

// A teljes munka ráfordítás műhelyben
exports.apiGetReportSum=asyncHandler(async (req,res)=>{
    //const {workId,foremanId, workTitle,employeeList }=req.body;

    res.setHeader('Content-Type', 'application/json');
    try{
        var wtSum=0;

    const workTimesSum=await WorkReport.aggregate(
        [
            { $match: { 'workId': mongoose.Types.ObjectId(req.params.id),
                
            } },
            {$unwind: '$workFlow'},
            {$unwind: '$workFlow.employeeList'},
            {$group: {_id: '$workFlow.EmployeeList', count:{$sum:1}}},
            { "$limit": 1 },
            {"$project": {"_id":0,
                "count": 1,}
              }
        ]
    )
    
    if (workTimesSum.length>0) wtSum=workTimesSum[0].count*8
    res.send({'response':'ok', 'workTimesSum':wtSum});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});

// Használt dátumok
exports.apiGetReportDates=asyncHandler(async (req,res)=>{
    //const {workId,foremanId, workTitle,employeeList }=req.body;

    res.setHeader('Content-Type', 'application/json');
    try{
    const reports=await WorkReport.find({workId: mongoose.Types.ObjectId(req.params.id)})
    var dates=[];    
    reports.forEach((elem,idx)=>{
        dates.push(elem.date)
        })
    res.send({'response':'ok','dates':dates});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }

});

// Felhasználói adatok
exports.apiGetUsers=asyncHandler(async (req,res)=>{
    //const {workId,foremanId, workTitle,employeeList }=req.body;

    res.setHeader('Content-Type', 'application/json');
   /* try{
    const users=await Employee.find({'konyvelesre': 'on'},{_id:1,name:1,company:1},{sort: {name: 1}})
    res.send({'response':'ok','users':users});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});      
    }*/
   try{
       const users=await Employee.aggregate([
        { $sort: { "name": 1 } },
        {$match: { "konyvelesre": "on"}},
        {
            $group: {
                _id: {company:'$company'},
                employees:{
                    $push:{
                        name: "$name",
                        id: "$_id"
                    }
                }
            }
        },
    ]);
            res.send({'response':'ok','users':users}); 
        }
        catch(err){
            res.status(500).json({'response':'fail','message':'Hiba a mentésnél !\n'+err.message});
        }
});

exports.apiGetReportList=asyncHandler(async (req,res)=>{
    //const {workId,foremanId, workTitle,employeeList }=req.body;

    res.setHeader('Content-Type', 'application/json');
    try{
    const reports=await WorkReport.aggregate([

        {$match: {"workId": mongoose.Types.ObjectId(req.params.id)}},
        {
            $lookup:
            {
                from: "employees",
                localField: "employeeList.employeeId",
                foreignField: "_id",
                as: "employee"
            },
        },  
     /*   {
            $unwind: "$employee"
        },*/
       /*    {
            $unwind: "$employeeList"
        },*/
             {$group: { _id:{
                'wf': '$employeeList.workFlow',
                 'wid':  '$_id',
                'name': '$employee.name',
             },
              'id':{$first:  '$_id'},
             'date':{$first:'$date'},
             'name': {$first:'$employee.name'},
                'workFlow':{$first: '$employeeList.workFlow'},
             },
             },
         {
        // cleanup
        $project: {
          _id: false,
        }
      }
    ])
    var wof=[];
    reports.forEach(element => {
        const curDate=moment(element.date).format("YYYY.MM.DD");
        var wdays=wof.find(e=>e.date===curDate);
        var items=[]
        if (wdays) //ha már van ilyen nap
        {
            items=[]
            element.name.forEach((elem,idx)=>{
            wdays.items.push({name:elem,workFlow:element.workFlow[idx]})       
            })
           // wdays.items.push(items)
        }
        else
        {
            items=[]
            element.name.forEach((elem,idx)=>{
            items.push({name:elem,workFlow:element.workFlow[idx]})       
            })
            var day={date:curDate,items:items}
            wof.push(day)
        }
    });
    res.send({'response':'ok','reports':wof});  
    }catch(err){
    
        res.status(500).json({'response':'fail','message':'Hiba a lekérdezésnél !\n'+err.message});      
    }

});