from django.http import HttpResponse
from django.views.decorators.csrf import csrf_exempt
#from rest_framework.renderers import JSONRenderer
#from rest_framework.parsers import JSONParser
from lib.main.models import *
from lib.main.serializers import *
from django.contrib.auth.models import AnonymousUser

from rest_framework import mixins
from rest_framework import generics
from rest_framework import permissions
from rest_framework import permissions

# TODO: verify pagination
# TODO: how to add relative resources
# TODO: 

class CustomRbac(permissions.BasePermission):

    def has_permission(self, request, view, obj=None):

        if type(request.user) == AnonymousUser:
            return False

        #if getattr(request, 'user') is None:
        #    return False

        if obj is None:
            return True

        return True # obj.owner == request.user



class OrganizationsList(generics.ListCreateAPIView):



    model = Organization
    serializer_class = OrganizationSerializer
    #authentication_classes = (SessionAuthentication, BasicAuthentication)
    #permission_classes = (IsAuthenticated,)

    permission_classes = (CustomRbac,)

    #def pre_save(self, obj):
    #   obj.owner = self.request.user
    
class OrganizationsDetail(generics.RetrieveUpdateDestroyAPIView):
    model = Organization
    serializer_class = OrganizationSerializer

    permission_classes = (CustomRbac,)

    #def pre_save(self, obj):
    #   obj.owner = self.request.user

#class OrganizationsList(mixins.ListModelMixin, mixins.CreateModelMixin, generics.MultipleObjectAPIView):
#
#    model = Organization
#    serializer_class = OrganizationSerializer
#
#    def get(self, request, *args, **kwargs):
#        return self.list(request, *args, **kwargs)
#
#    def post(self, request, *args, **kwargs):
#        return self.create(request, *args, **kwargs)

#class JSONResponse(HttpResponse):
#    """
#    An HttpResponse that renders it's content into JSON.
#    """
#    def __init__(self, data, **kwargs):
#        content = JSONRenderer().render(data)
#        kwargs['content_type'] = 'application/json'
#        super(JSONResponse, self).__init__(content, **kwargs)

#@csrf_exempt
#def organizations_list(request):
#    """
#    List all code snippets, or create a new snippet.
#    """
#    if request.method == 'GET':
#        # TODO: FILTER
#        organizations = Organization.objects.all()
#        serializer = OrganizationSerializer(organizations, many=True)
#        return JSONResponse(serializer.data)
#
#    elif request.method == 'POST':
#        data = JSONParser().parse(request)
#        # TODO: DATA AUDIT
#        serializer = OrganizationSerializer(data=data)
#        if serializer.is_valid():
#            serializer.save()
#            return JSONResponse(serializer.data, status=201)
#        else:
#            return JSONResponse(serializer.errors, status=400)

#@csrf_exempt
#def snippet_detail(request, pk):
#    """
#    Retrieve, update or delete a code snippet.
#    """
#    try:
#        snippet = Snippet.objects.get(pk=pk)
#    except Snippet.DoesNotExist:
#        return HttpResponse(status=404)
#
#    if request.method == 'GET':
#        serializer = SnippetSerializer(snippet)
#        return JSONResponse(serializer.data)
#
#    elif request.method == 'PUT':
#        data = JSONParser().parse(request)
#        serializer = SnippetSerializer(snippet, data=data)
#        if serializer.is_valid():
#            serializer.save()
#            return JSONResponse(serializer.data)
#        else:
#            return JSONResponse(serializer.errors, status=400)
#
#    elif request.method == 'DELETE':
#        snippet.delete()
#        return HttpResponse(status=204)