from django.http import HttpResponse, JsonResponse
from django.shortcuts import render, redirect
import time
from django.contrib.auth.decorators import login_required
from django.contrib.admin.views.decorators import staff_member_required
from polls.forms import NoticeForm
from django.utils import timezone
from datetime import timedelta
from polls.models import Notice
from polls.serializers import NoticeSerializer
from rest_framework.renderers import JSONRenderer
from rest_framework.parsers import JSONParser
from django.views.decorators.csrf import csrf_exempt
def index(request):
    context = {'now' : time.strftime('%H:%M:%S', time.localtime()),
               'posts' : Notice.objects.all() }
   # start = timezone.now()
    #end = start + timedelta(days=10)
    #for n in Notice.objects.all():
     #   print(n.notice_title)
    return  render(request, 'polls/index.html', context)

@csrf_exempt
def notice_list(request):

    if request.method == 'GET':
        notices = Notice.objects.all()
        serializer = NoticeSerializer(notices, many=True)
        return JsonResponse(serializer.data, safe=False)
    elif request.method == 'POST':
        data = JSONParser().parse(request)
        serializer = NoticeSerializer(data=data)
        if serializer.is_valid():
            serializer.save()
            return JsonResponse(serializer.data, status=201)
        return HttpResponse(status=405)

@csrf_exempt
def notice_detail(request, id):

    try:
        notice = Notice.objects.get(id=id)
    except:
        return HttpResponse(status=404)

    if request.method == 'GET':
        serializer = NoticeSerializer(notice)
        return JsonResponse(serializer.data)

    elif request.method == 'PUT':
        data = JSONParser().parse(request)
        serializer = NoticeSerializer(notice, data=data)
        if serializer.is_valid():
            serializer.save()
            return JsonResponse(serializer.data, status=201)
        return JsonResponse(serializer.errors, status=400)

    elif request.method == 'DELETE':
        notice.delete()
        return  HttpResponse(status=204)

    return HttpResponse(status=405)


@staff_member_required
def delete(request, deleteId=None):
        if deleteId != None:
            deleteNotice = Notice.objects.get(id=deleteId)
            if deleteNotice != None:
                deleteNotice.delete()
        return redirect('index')

@login_required
def new(request):
    if request.method == "POST":
        form = NoticeForm(request.POST)
        if form.is_valid():
            newNotice = Notice(notice_title=form.cleaned_data['title'],notice_text=form.cleaned_data['text'],pub_start=form.cleaned_data['start'],pub_end=form.cleaned_data['end'])
            newNotice.save()
            return redirect('index')
    context = {'form' : NoticeForm()}
    return render(request, 'polls/edit.html', context)
# Create your views here.