## Serializer ##
class AdminLoginSerializer(serializers.Serializer):
    username = serializers.CharField()
    password = serializers.CharField()

    def validate(self, data):
        username = data.get("username", "")
        password = data.get("password", "")

        if username and password:
            user = authenticate(username=username, password=password)
            if user:
                if user.is_active:
                    data["user"] = user
                else:
                    msg = 'User is deactivated'
                    raise exceptions.ValidationError(msg)
            else:
                msg = "Unable to login with given credentials"
                raise exceptions.ValidationError(msg)
        else:
            msg = 'Must Provide Username and password'
            raise exceptions.ValidationError(msg)
        return data

## Viewsets ##

class AdminLoginView(APIView):
    def post(self, request):
        serializer = AdminLoginSerializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        user = serializer.validated_data['user']
        # django_login(request, user)
        token, created = Token.objects.get_or_create(user=user)
        return Response({"token": token.key, 'id': token.user.id}, status=200)


class AdminLogoutView(APIView):
    authentication_classes = [TokenAuthentication]

    def post(self, request):
        # django_logout(request)
        **request.user.auth_token.delete()**
        return Response(status=204)