from django.http import HttpResponseForbidden

from django.http import QueryDict
from access.models.other import UserActivity
import json


class CheckPerm(object):
    @staticmethod
    def process_request(request):
        if len(request.path) > 6 and \
                ('/admin' == request.path[:6]
                 or '/analy' == request.path[:6]):
            # or "/api/v" == request.path[:6]):

            if not request.user.is_authenticated():
                return HttpResponseForbidden()

            if not (request.user.in_role == "M" or request.user.in_role == "S"
                    or request.user.in_role == "A" or request.user.is_admin):
                return HttpResponseForbidden()


class RequestToApi(object):
    @staticmethod
    def process_request(request):
        if len(request.path) > 4 and '/api' == request.path[:4]:
            if request.method == 'POST':
                data = json.loads(request.body.decode('utf-8'))
                q_data = QueryDict('', mutable=True)
                for value in data:
                    q_data.update({value: data[value]})
                request.JSON = q_data
            if request.method == 'POST' or request.method == 'DELETE':
                # TODO или выпилить или в зависимость от settings
                setattr(request, '_dont_enforce_csrf_checks', True)


class UpdateActivity(object):
    @staticmethod
    def process_request(request):
        if not request.user.is_anonymous:
            user_activity = UserActivity.objects.get(owner=request.user)
            ip = request.META.get('REMOTE_ADDR', None)
            if user_activity.ip_list is None:
                user_activity.ip_list = []

            if not ip is None:
                new_list = list(user_activity.ip_list)
                new_list.append(ip)
                user_activity.ip_list = list(set(new_list))

            user_activity.save()