from django.shortcuts import render, redirect
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.auth.models import User
from django.views.generic import CreateView, ListView, UpdateView, DetailView, DeleteView, View
from .models import Standards
from django.contrib import messages
from django.http import HttpResponse, JsonResponse
from .forms import StandardAddStandard, StandardAddStandardEditor, StandardUpdateStandard, StandardUpdateStandardEditor
from django.contrib.auth.decorators import login_required
from tasks.models import Tasks
from datetime import datetime

# Create your views here.
class StandardsManagement(LoginRequiredMixin, ListView):
	model = Standards
	# Adding active_link
	# Loading only user same agency
	# Change context and return for template-data
	def get_context_data(self, **kwargs):
		context = super().get_context_data(**kwargs)
	#	# Get all Users of the Same Agency as logged user
		standards_of_agency = Standards.objects.filter(agency__pk=self.request.user.profile.agency.pk)
		context.update({'active_link' : 'standards', 'standards_of_agency' : standards_of_agency})
		return context

'''
class StandardAdd(LoginRequiredMixin, CreateView):
	model = Standards
	success_url = '/standards'
	form_class = StandardAddStandardForm

	def get_form_kwargs(self):
		kwargs = super(StandardAdd, self).get_form_kwargs()
		kwargs['user'] = self.request.user
		return kwargs

	def get_context_data(self, **kwargs):
		context = super().get_context_data(**kwargs)
		context.update({'active_link' : 'standards'})
		return context
	
	def form_valid(self, form):	
		# Send message to the site
		messages.success(self.request, f'Standard angelegt!')
		form.instance.agency = self.request.user.profile.agency
		form.instance.created_standard_by = self.request.user
		form.instance.published_by = self.request.user
		form.instance.last_modifed_by = self.request.user
		return super().form_valid(form)

'''
@login_required
def StandardAdd(request):
	if request.method == 'POST':
		normalForm = StandardAddStandard(request.POST, instance=request.user)
		editorForm = StandardAddStandardEditor(request.POST, instance=request.user)
		
		if editorForm.is_valid() and normalForm.is_valid():
			normalForm.agency = request.user.profile.agency
			normalForm.created_standard_by = request.user
			normalForm.published_by = request.user
			normalForm.last_modifed_by = request.user
			normalForm.save()
			editorForm.save()	
			new_standard = Standards()			
			new_standard.agency = request.user.profile.agency
			new_standard.created_standard_by = request.user
			new_standard.published_by = request.user
			new_standard.last_modified_by = request.user
			new_standard.task = normalForm.cleaned_data['task']
			new_standard.area = normalForm.cleaned_data['area']
			new_standard.name = normalForm.cleaned_data['name']
			new_standard.content = editorForm.cleaned_data['content']			
			new_standard.save()
			tempstandardname = normalForm.cleaned_data['name']
			messages.success(request, f'Standard {tempstandardname} hinzugefügt! Dieser muss noch veröffentlicht werden.')			
			return redirect('standards')	

	else:
		normalForm = StandardAddStandard(instance=request.user)
		editorForm = StandardAddStandardEditor(instance=request.user)
		

	context = {
		'normalForm' : normalForm,
		'editorForm' : editorForm,
		'active_link' : 'standards'
	}
	return render(request, 'standards/standards_add.html', context)


@login_required
def StandardUpdate(request, id):
	standard = Standards.objects.get(pk=id)
	if request.method == 'POST':
		normalForm = StandardUpdateStandard(request.POST, instance=standard)
		editorForm = StandardUpdateStandardEditor(request.POST, instance=standard)
		
		if editorForm.is_valid() and normalForm.is_valid():
			existing_standard = Standards.objects.get(pk=id)	
			existing_standard.last_modified_by = request.user
			existing_standard.last_modified_on = datetime.now()
			existing_standard.task = normalForm.cleaned_data['task']
			existing_standard.area = normalForm.cleaned_data['area']
			existing_standard.name = normalForm.cleaned_data['name']
			existing_standard.content = editorForm.cleaned_data['content']
			if request.user.has_perm('standard_management'):
				messages.success(request, f'Standard {existing_standard.name} aktualisiert!')			
			else:
				if existing_standard.public:
					existing_standard.public = False	
					messages.warning(request, f'Standard {existing_standard.name} aktualisiert und ist nicht mehr öffentlich, damit Änderungen geprüft werden können.')												
				else:
					messages.success(request, f'Standard {existing_standard.name} aktualisiert!')												
			existing_standard.save()
			return redirect('/standards')		

	else:
		normalForm = StandardUpdateStandard(instance=standard)
		editorForm = StandardUpdateStandardEditor(instance=standard)
		

	context = {
		'normalForm' : normalForm,
		'editorForm' : editorForm,
		'active_link' : 'standards',
		'standard_id' : standard.pk,
		'standard_status' : standard.public
	}
	return render(request, 'standards/standards_update.html', context)

@login_required
def load_tasks(request):
    areaid = request.GET.get('areaid')
    tasks = Tasks.objects.filter(area__id=areaid).order_by('name')    
    return render(request, 'standards/standards_tasklist.html', {'tasks': tasks})


class StandardDeleteView(LoginRequiredMixin, DeleteView):
	model = Standards
	success_url = '/standards'
	template_name = 'standards/standard_confirm_delete.html'	

	def get_context_data(self, **kwargs):
		context = super(StandardDeleteView, self).get_context_data(**kwargs)
		context['active_link'] = 'standards'
		return context

@login_required
def StandardChangePublic(request, pk):
	standard = Standards.objects.get(pk=pk)
	if standard.public:
		standard.public = False
		messages.warning(request, f'Standard {standard.name} ist nicht mehr öffentlich!')
	else:
		standard.public = True
		messages.success(request, f'Standard {standard.name} wurde veröffentlicht und ist innerhalb der Agentur sichtbar!')
	standard.save()
	return redirect('standards')

@login_required
def StandardSingle(request, pk):
	standard = Standards.objects.get(pk=pk)
	context = {
		'active_link':'standards',
		'standard' : standard
	}
	return render(request, 'standards/standards_single.html', context)