/**
 * Copyright © 2016-2020 The Thingsboard Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
syntax = "proto3";
package transport;

option java_package = "org.thingsboard.server.gen.transport";
option java_outer_classname = "TransportProtos";

message QueueInfo {
  string name = 1;
  string topic = 2;
  int32 partitions = 3;
}

/**
 * Service Discovery Data Structures;
 */
message ServiceInfo {
  string serviceId = 1;
  repeated string serviceTypes = 2;
  int64 tenantIdMSB = 3;
  int64 tenantIdLSB = 4;
  repeated QueueInfo ruleEngineQueues = 5;
}

/**
 * Transport Service Data Structures;
 */
message SessionInfoProto {
  string nodeId = 1;
  int64 sessionIdMSB = 2;
  int64 sessionIdLSB = 3;
  int64 tenantIdMSB = 4;
  int64 tenantIdLSB = 5;
  int64 deviceIdMSB = 6;
  int64 deviceIdLSB = 7;
  string deviceName = 8;
  string deviceType = 9;
}

enum SessionEvent {
  OPEN = 0;
  CLOSED = 1;
}

enum SessionType {
  SYNC = 0;
  ASYNC = 1;
}

enum KeyValueType {
  BOOLEAN_V = 0;
  LONG_V = 1;
  DOUBLE_V = 2;
  STRING_V = 3;
  JSON_V = 4;
}

message KeyValueProto {
  string key = 1;
  KeyValueType type = 2;
  bool bool_v = 3;
  int64 long_v = 4;
  double double_v = 5;
  string string_v = 6;
  string json_v = 7;
}

message TsKvProto {
  int64 ts = 1;
  KeyValueProto kv = 2;
}

message TsKvListProto {
  int64 ts = 1;
  repeated KeyValueProto kv = 2;
}

message DeviceInfoProto {
  int64 tenantIdMSB = 1;
  int64 tenantIdLSB = 2;
  int64 deviceIdMSB = 3;
  int64 deviceIdLSB = 4;
  string deviceName = 5;
  string deviceType = 6;
  string additionalInfo = 7;
}

/**
 * Transport Service Messages;
 */
message SessionEventMsg {
  SessionType sessionType = 1;
  SessionEvent event = 2;
}

message PostTelemetryMsg {
  repeated TsKvListProto tsKvList = 1;
}

message PostAttributeMsg {
  repeated KeyValueProto kv = 1;
}

message GetAttributeRequestMsg {
  int32 requestId = 1;
  repeated string clientAttributeNames = 2;
  repeated string sharedAttributeNames = 3;
}

message GetAttributeResponseMsg {
  int32 requestId = 1;
  repeated TsKvProto clientAttributeList = 2;
  repeated TsKvProto sharedAttributeList = 3;
  repeated string deletedAttributeKeys = 4;
  string error = 5;
}

message AttributeUpdateNotificationMsg {
  repeated TsKvProto sharedUpdated = 1;
  repeated string sharedDeleted = 2;
}

message ValidateDeviceTokenRequestMsg {
  string token = 1;
}

message ValidateDeviceX509CertRequestMsg {
  string hash = 1;
}

message ValidateDeviceCredentialsResponseMsg {
  DeviceInfoProto deviceInfo = 1;
  string credentialsBody = 2;
}

message GetOrCreateDeviceFromGatewayRequestMsg {
  int64 gatewayIdMSB = 1;
  int64 gatewayIdLSB = 2;
  string deviceName = 3;
  string deviceType = 4;
}

message GetOrCreateDeviceFromGatewayResponseMsg {
  DeviceInfoProto deviceInfo = 1;
}

message SessionCloseNotificationProto {
  string message = 1;
}

message SubscribeToAttributeUpdatesMsg {
  bool unsubscribe = 1;
}

message SubscribeToRPCMsg {
  bool unsubscribe = 1;
}

message ToDeviceRpcRequestMsg {
  int32 requestId = 1;
  string methodName = 2;
  string params = 3;
}

message ToDeviceRpcResponseMsg {
  int32 requestId = 1;
  string payload = 2;
}

message ToServerRpcRequestMsg {
  int32 requestId = 1;
  string methodName = 2;
  string params = 3;
}

message ToServerRpcResponseMsg {
  int32 requestId = 1;
  string payload = 2;
  string error = 3;
}

message ClaimDeviceMsg {
  int64 deviceIdMSB = 1;
  int64 deviceIdLSB = 2;
  string secretKey = 3;
  int64 durationMs = 4;
}

//Used to report session state to tb-Service and persist this state in the cache on the tb-Service level.
message SubscriptionInfoProto {
  int64 lastActivityTime = 1;
  bool attributeSubscription = 2;
  bool rpcSubscription = 3;
}

message SessionSubscriptionInfoProto {
  SessionInfoProto sessionInfo = 1;
  SubscriptionInfoProto subscriptionInfo = 2;
}

message DeviceSessionsCacheEntry {
  repeated SessionSubscriptionInfoProto sessions = 1;
}

message TransportToDeviceActorMsg {
  SessionInfoProto sessionInfo = 1;
  SessionEventMsg sessionEvent = 2;
  GetAttributeRequestMsg getAttributes = 3;
  SubscribeToAttributeUpdatesMsg subscribeToAttributes = 4;
  SubscribeToRPCMsg subscribeToRPC = 5;
  ToDeviceRpcResponseMsg toDeviceRPCCallResponse = 6;
  SubscriptionInfoProto subscriptionInfo = 7;
  ClaimDeviceMsg claimDevice = 8;
}

message TransportToRuleEngineMsg {
  SessionInfoProto sessionInfo = 1;
  PostTelemetryMsg postTelemetry = 2;
  PostAttributeMsg postAttributes = 3;
  ToDeviceRpcResponseMsg toDeviceRPCCallResponse = 4;
  ToServerRpcRequestMsg toServerRPCCallRequest = 5;
}

message DeviceActorToTransportMsg {
  int64 sessionIdMSB = 1;
  int64 sessionIdLSB = 2;
  SessionCloseNotificationProto sessionCloseNotification = 3;
  GetAttributeResponseMsg getAttributesResponse = 4;
  AttributeUpdateNotificationMsg attributeUpdateNotification = 5;
  ToDeviceRpcRequestMsg toDeviceRequest = 6;
  ToServerRpcResponseMsg toServerResponse = 7;
}

/**
 * TB Core Data Structures
 */

message TbSubscriptionProto {
  string serviceId = 1;
  string sessionId = 2;
  int32 subscriptionId = 3;
  string entityType = 4;
  int64 tenantIdMSB = 5;
  int64 tenantIdLSB = 6;
  int64 entityIdMSB = 7;
  int64 entityIdLSB = 8;
}

message TbTimeSeriesSubscriptionProto {
  TbSubscriptionProto sub = 1;
  bool allKeys = 2;
  repeated TbSubscriptionKetStateProto keyStates = 3;
  int64 startTime = 4;
  int64 endTime = 5;
}

message TbAttributeSubscriptionProto {
  TbSubscriptionProto sub = 1;
  bool allKeys = 2;
  repeated TbSubscriptionKetStateProto keyStates = 3;
  string scope = 4;
}

message TbSubscriptionUpdateProto {
  string sessionId = 1;
  int32 subscriptionId = 2;
  int32 errorCode = 3;
  string errorMsg = 4;
  repeated TbSubscriptionUpdateValueListProto data = 5;
}

message TbAttributeUpdateProto {
  string entityType = 1;
  int64 entityIdMSB = 2;
  int64 entityIdLSB = 3;
  int64 tenantIdMSB = 4;
  int64 tenantIdLSB = 5;
  string scope = 6;
  repeated TsKvProto data = 7;
}

message TbTimeSeriesUpdateProto {
  string entityType = 1;
  int64 entityIdMSB = 2;
  int64 entityIdLSB = 3;
  int64 tenantIdMSB = 4;
  int64 tenantIdLSB = 5;
  repeated TsKvProto data = 6;
}

message TbSubscriptionCloseProto {
  string sessionId = 1;
  int32 subscriptionId = 2;
}

message TbSubscriptionKetStateProto {
  string key = 1;
  int64 ts = 2;
}

message TbSubscriptionUpdateValueListProto {
  string key = 1;
  repeated int64 ts = 2;
  repeated string value = 3;
}

/**
 * TB Core to TB Core messages
 */

message DeviceStateServiceMsgProto {
  int64 tenantIdMSB = 1;
  int64 tenantIdLSB = 2;
  int64 deviceIdMSB = 3;
  int64 deviceIdLSB = 4;
  bool added = 5;
  bool updated = 6;
  bool deleted = 7;
}

message SubscriptionMgrMsgProto {
  TbTimeSeriesSubscriptionProto telemetrySub = 1;
  TbAttributeSubscriptionProto attributeSub = 2;
  TbSubscriptionCloseProto subClose = 3;
  TbTimeSeriesUpdateProto tsUpdate = 4;
  TbAttributeUpdateProto attrUpdate = 5;
}

message LocalSubscriptionServiceMsgProto {
  TbSubscriptionUpdateProto subUpdate = 1;
}

message FromDeviceRPCResponseProto {
  int64 requestIdMSB = 1;
  int64 requestIdLSB = 2;
  string response = 3;
  int32 error = 4;
}
/**
 * Main messages;
 */

/* Request from Transport Service to ThingsBoard Core Service */
message TransportApiRequestMsg {
  ValidateDeviceTokenRequestMsg validateTokenRequestMsg = 1;
  ValidateDeviceX509CertRequestMsg validateX509CertRequestMsg = 2;
  GetOrCreateDeviceFromGatewayRequestMsg getOrCreateDeviceRequestMsg = 3;
}

/* Response from ThingsBoard Core Service to Transport Service */
message TransportApiResponseMsg {
  ValidateDeviceCredentialsResponseMsg validateTokenResponseMsg = 1;
  GetOrCreateDeviceFromGatewayResponseMsg getOrCreateDeviceResponseMsg = 2;
}

/* Messages that are handled by ThingsBoard Core Service */
message ToCoreMsg {
  TransportToDeviceActorMsg toDeviceActorMsg = 1;
  DeviceStateServiceMsgProto deviceStateServiceMsg = 2;
  SubscriptionMgrMsgProto toSubscriptionMgrMsg = 3;
  bytes toDeviceActorNotificationMsg = 4;
}

/* High priority messages with low latency are handled by ThingsBoard Core Service separately */
message ToCoreNotificationMsg {
  LocalSubscriptionServiceMsgProto toLocalSubscriptionServiceMsg = 1;
  FromDeviceRPCResponseProto fromDeviceRpcResponse = 2;
  bytes componentLifecycleMsg = 3;
}

/* Messages that are handled by ThingsBoard RuleEngine Service */
message ToRuleEngineMsg {
  int64 tenantIdMSB = 1;
  int64 tenantIdLSB = 2;
  bytes tbMsg = 3;
  repeated string relationTypes = 4;
}

message ToRuleEngineNotificationMsg {
  bytes componentLifecycleMsg = 1;
  FromDeviceRPCResponseProto fromDeviceRpcResponse = 2;
}

/* Messages that are handled by ThingsBoard Transport Service */
message ToTransportMsg {
  DeviceActorToTransportMsg toDeviceSessionMsg = 1;
}