from django.shortcuts import render
from django.contrib.auth.decorators import login_required
from django.http import JsonResponse
from .models import Workday, Breaks
from django.utils import timezone
import requests, csv, os
from django.templatetags.static import static
from django.conf import settings
from datetime import date

def loadingFreeDays(plz):
	# Getting land

	file_path = os.path.join(settings.STATIC_ROOT, 'users/extra/plz_short.csv')
	
	land = False

	with open(file_path, 'rt') as csvfile:		
		filecsv = csv.reader(csvfile, delimiter=';')
		for row in filecsv:
			if row[1] == plz:
				land = row[6]
				break;
	
	if(land != False):
		# CALCULATE FREEDAYS AS JSON
		year = today = date.today().year


		URL = "https://feiertage-api.de/api/"
		PARAMS = {'jahr':year,'nur_land':land}
		r = requests.get(url = URL, params = PARAMS)
		return r.json()
	else:
		return False

@login_required
def AbsenceManagmenet(request):

	


	context = {
		"active_link" : "abscence",
		"freedays" : loadingFreeDays(request.user.profile.agency.plz)
	}
	return render(request, 'timemanagement/tm_ab_management.html', context)


@login_required
def TimeManagement(request):
	context = {
		"active_link" : "timemanagement",
		"workdays" : Workday.objects.filter(agency=request.user.profile.agency, user=request.user).order_by("-start")
	}
	return render(request, 'timemanagement/timemanagement_management.html', context)

@login_required
def TimeAjax(request):
	data = {}
	if request.method == "GET":
		# START WORKDAY
		if request.GET["action"] == "start_day":
			wd = Workday(user=request.user, agency=request.user.profile.agency, start=timezone.now())
			wd.save()
			data = {
				"success" : True,
				"wd_starttime" : wd.start.strftime("%H:%M:%S"),
				"wd_starttime_complete"	 : wd.start
			}
		# END DAY
		elif request.GET["action"] == "end_day":
			wd = list(Workday.objects.filter(user=request.user, agency=request.user.profile.agency, end=None))[0]
			# END ALL BREAKS
			for b in wd.breaks.all():
				if b.end == None:
					b.end = timezone.now()
					b.save()
			wd.end = timezone.now()
			wd.save()

			breaksum = 0
			for b in wd.breaks.all():
				if(b.end != None):
					breaksum += (b.end - b.start).seconds

			data = {
				"success" : True,
				"wd_endtime" : wd.end.strftime("%H:%M:%S"),	
				"actualbreaktime" : breaksum*1000			
			}
		# START A BREAK
		elif request.GET["action"] == "start_break":
			wd = list(Workday.objects.filter(user=request.user, agency=request.user.profile.agency, end=None))[0]		
			newbreak = Breaks(workday=wd, user=request.user, agency=request.user.profile.agency, start=timezone.now())
			newbreak.save()
			wd.breaks.add(newbreak)
			data = {
				"success" : True,
				"break_starttime" : newbreak.start,				
			}
		# END BREAK
		elif request.GET["action"] == "end_break":
			wd = list(Workday.objects.filter(user=request.user, agency=request.user.profile.agency, end=None))[0]		
			toendbreak = list(wd.breaks.filter(end=None))[0]			
			toendbreak.end = timezone.now()
			toendbreak.save()

			wd = list(Workday.objects.filter(user=request.user, agency=request.user.profile.agency, end=None))[0]
			breaksum = 0
			for b in wd.breaks.all():
				if(b.end != None):
					breaksum += (b.end - b.start).seconds

			data = {
				"success" : True,
				"actualbreaktime" : breaksum*1000		
			}
		# REMOVE WORKDAY
		elif request.GET["action"] == "remove_workday":
			wd = Workday.objects.get(pk=request.GET.get("workday"))
			if(wd.user == request.user and wd.agency == request.user.profile.agency):
				wd.delete()
				data = {
					"success" : True	
				}
			else:
				data = { "success" : False}
	else:
		data = {
			"success" : False			
		}

	return JsonResponse(data)