from rest_framework import serializers
 
 
-class StorageResourceSerializer(serializers.Serializer):
+class ResourceSerializer(serializers.Serializer):
     resourceId = serializers.CharField(help_text="resourceId", required=True)
     vimId = serializers.CharField(help_text="vimId", required=True)
 
 class virtualStorageResourceInfoSerializer(serializers.Serializer):
     virtualStorageInstanceId = serializers.CharField(help_text="virtualStorageInstanceId", required=True)
     virtualStorageDescId = serializers.CharField(help_text="virtualStorageDescId", required=True, allow_null=True)
-    storageResource = StorageResourceSerializer(help_text="storageResource", required=True)
+    storageResource = ResourceSerializer(help_text="storageResource", required=True)
 
 
 class virtualLinkResourceInfoSerializer(serializers.Serializer):
-    pass
+    virtualLinkInstanceId = serializers.IntegerField(help_text="virtualLinkInstanceId", required=True, allow_null=True)
+    virtualLinkDescId = serializers.IntegerField(help_text="virtualLinkDescId", required=True, allow_null=True)
+    networkResource = ResourceSerializer(help_text="networkResource", required=True, allow_null=True)
 
 
 class vnfcResourceInfoSerializer(serializers.Serializer):
-    pass
+    vnfcInstanceId = serializers.IntegerField(help_text="vnfcInstanceId", required=True, allow_null=True)
+    vduId = serializers.IntegerField(help_text="vduId", required=True, allow_null=True)
+    storageResourceIds = serializers.IntegerField(help_text="storageResourceIds", required=True, allow_null=True)
+    computeResource = ResourceSerializer(help_text="computeResource", required=True, allow_null=True)
 
 
 class accessInfoSerializer(serializers.Serializer):
 
 
 class VmResponseSerializer(serializers.Serializer):
-    vmid = serializers.CharField(help_text="vmid", required=True)
-    vimid = serializers.CharField(help_text="the vim id", required=True)
-    resouceid = serializers.CharField(help_text="the resouce id", required=True)
+    vmid = serializers.CharField(help_text="vmid", required=True, allow_null=True)
+    vimid = serializers.CharField(help_text="the vim id", required=True, allow_null=True)
+    resouceid = serializers.CharField(help_text="the resouce id", required=True, allow_null=True)
     tenant = serializers.CharField(help_text="tenant", required=True, allow_null=True)
-    instid = serializers.CharField(help_text="the inst id", required=True)
-    vmname = serializers.CharField(help_text="vmname", required=True)
-    insttype = serializers.IntegerField(help_text="insttype", required=True)
+    instid = serializers.CharField(help_text="the inst id", required=True, allow_null=True)
+    vmname = serializers.CharField(help_text="vmname", required=True, allow_null=True)
+    insttype = serializers.IntegerField(help_text="insttype", required=True, allow_null=True)
     operationalstate = serializers.CharField(help_text="operationalstate", required=True, allow_null=True)
-    is_predefined = serializers.IntegerField(help_text="is_predefined", required=True)
-    security_groups = serializers.CharField(help_text="security_groups", required=True)
-    flavor_id = serializers.CharField(help_text="flavor_id", required=True)
-    availability_zone = serializers.CharField(help_text="availability_zone", required=True)
-    server_group = serializers.CharField(help_text="server_group", required=True)
-    volume_array = serializers.CharField(help_text="volume_array", required=True)
-    metadata = serializers.CharField(help_text="metadata", required=True)
-    nic_array = serializers.CharField(help_text="nic_array", required=True)
+    is_predefined = serializers.IntegerField(help_text="is_predefined", required=True, allow_null=True)
+    security_groups = serializers.CharField(help_text="security_groups", required=True, allow_null=True)
+    flavor_id = serializers.CharField(help_text="flavor_id", required=True, allow_null=True)
+    availability_zone = serializers.CharField(help_text="availability_zone", required=True, allow_null=True)
+    server_group = serializers.CharField(help_text="server_group", required=True, allow_null=True)
+    volume_array = serializers.CharField(help_text="volume_array", required=True, allow_null=True)
+    metadata = serializers.CharField(help_text="metadata", required=True, allow_null=True)
+    nic_array = serializers.CharField(help_text="nic_array", required=True, allow_null=True)
+    create_time = serializers.CharField(help_text="create_time", required=False, allow_null=True)
+    nodeId = serializers.CharField(help_text="nodeId", required=False, allow_null=True)
 
 
 class vimInfoSerializer(serializers.Serializer):
     vnfInstanceId = serializers.CharField(help_text="vnf Instance Id", required=True)
     vnfInstanceName = serializers.CharField(help_text="vnf Instance Name", required=True)
     vnfInstanceDescription = serializers.CharField(help_text="vnfInstanceDescription", required=True, allow_null=True)
-    onboardedVnfPkgInfoId = serializers.CharField(help_text="onboarded Vnf Pkg Info Id", required=False,
-                                                  allow_null=True)
+    onboardedVnfPkgInfoId = serializers.CharField(help_text="onboarded Vnf Pkg Info Id", required=False, allow_null=True)
     vnfdId = serializers.CharField(help_text="vnfdId", required=True, allow_null=True)
     vnfdVersion = serializers.CharField(help_text="vnfd Version", required=False, allow_null=True)
     vnfSoftwareVersion = serializers.CharField(help_text="vnfSoftwareVersion", required=True, allow_null=True)
 
     VNFCInstModel, VmInstModel, FlavourInstModel, SubNetworkInstModel, CPInstModel
 from res.pub.exceptions import VNFRESException
 from res.pub.utils.syscomm import fun_name
-from res.pub.utils.values import ignore_case_get
 from res.resources.serializers import VolumeInfoSerializer, CpsInfoSerializer, SubnetInfoSerializer, \
-    NetworkInfoSerializer, FlavorInfoSerializer, VmInfoSerializer
+    NetworkInfoSerializer, FlavorInfoSerializer, VmInfoSerializer, VnfInfoSerializer
 
 logger = logging.getLogger(__name__)
 
 
-@api_view(http_method_names=['GET'])
-def get_vnf(request, *args, **kwargs):
-    vnf_inst_id = ignore_case_get(kwargs, "vnfInstanceId")
-    logger.debug("[%s]vnf_inst_id=%s", fun_name(), vnf_inst_id)
-    try:
-        vnf_inst = NfInstModel.objects.filter(nfinstid=vnf_inst_id)
-        if not vnf_inst:
-            return Response(data={'error': 'Vnf(%s) does not exist' % vnf_inst_id}, status=status.HTTP_404_NOT_FOUND)
-        resp_data = fill_resp_data(vnf_inst[0])
-        return Response(data=resp_data, status=status.HTTP_200_OK)
-    except Exception as e:
-        logger.error(e.message)
-        logger.error(traceback.format_exc())
-        return Response(data={'error': 'Failed to get Vnf(%s)' % vnf_inst_id}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+class getVnfs(APIView):
+    @swagger_auto_schema(
+        responses={
+            status.HTTP_200_OK: VnfInfoSerializer(),
+            status.HTTP_404_NOT_FOUND: 'Vnf does not exist',
+            status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
+    def get(self, request, vnfInstanceId):
+        logger.debug("[%s]vnf_inst_id=%s", fun_name(), vnfInstanceId)
+        try:
+            vnf_inst = NfInstModel.objects.filter(nfinstid=vnfInstanceId)
+            if not vnf_inst:
+                return Response(data={'error': 'Vnf(%s) does not exist' % vnfInstanceId}, status=status.HTTP_404_NOT_FOUND)
+            resp_data = fill_resp_data(vnf_inst[0])
+            return Response(data=resp_data, status=status.HTTP_200_OK)
+        except Exception as e:
+            logger.error(e.message)
+            logger.error(traceback.format_exc())
+            return Response(data={'error': 'Failed to get Vnf(%s)' % vnfInstanceId}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
 
 def fill_resp_data(vnf):