// Copyright 2018 Google Inc.
//
// 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 google.cloud.dialogflow.v2;

import "google/api/annotations.proto";
import "google/cloud/dialogflow/v2/entity_type.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/field_mask.proto";

option cc_enable_arenas = true;
option csharp_namespace = "Google.Cloud.Dialogflow.V2";
option go_package = "google.golang.org/genproto/googleapis/cloud/dialogflow/v2;dialogflow";
option java_multiple_files = true;
option java_outer_classname = "SessionEntityTypeProto";
option java_package = "com.google.cloud.dialogflow.v2";
option objc_class_prefix = "DF";


// Entities are extracted from user input and represent parameters that are
// meaningful to your application. For example, a date range, a proper name
// such as a geographic location or landmark, and so on. Entities represent
// actionable data for your application.
//
// Session entity types are referred to as **User** entity types and are
// entities that are built for an individual user such as
// favorites, preferences, playlists, and so on. You can redefine a session
// entity type at the session level.
//
// For more information about entity types, see the
// [Dialogflow documentation](https://dialogflow.com/docs/entities).
service SessionEntityTypes {
  // Returns the list of all session entity types in the specified session.
  rpc ListSessionEntityTypes(ListSessionEntityTypesRequest) returns (ListSessionEntityTypesResponse) {
    option (google.api.http) = {
      get: "/v2/{parent=projects/*/agent/sessions/*}/entityTypes"
    };
  }

  // Retrieves the specified session entity type.
  rpc GetSessionEntityType(GetSessionEntityTypeRequest) returns (SessionEntityType) {
    option (google.api.http) = {
      get: "/v2/{name=projects/*/agent/sessions/*/entityTypes/*}"
    };
  }

  // Creates a session entity type.
  rpc CreateSessionEntityType(CreateSessionEntityTypeRequest) returns (SessionEntityType) {
    option (google.api.http) = {
      post: "/v2/{parent=projects/*/agent/sessions/*}/entityTypes"
      body: "session_entity_type"
    };
  }

  // Updates the specified session entity type.
  rpc UpdateSessionEntityType(UpdateSessionEntityTypeRequest) returns (SessionEntityType) {
    option (google.api.http) = {
      patch: "/v2/{session_entity_type.name=projects/*/agent/sessions/*/entityTypes/*}"
      body: "session_entity_type"
    };
  }

  // Deletes the specified session entity type.
  rpc DeleteSessionEntityType(DeleteSessionEntityTypeRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v2/{name=projects/*/agent/sessions/*/entityTypes/*}"
    };
  }
}

// Represents a session entity type.
//
// Extends or replaces a developer entity type at the user session level (we
// refer to the entity types defined at the agent level as "developer entity
// types").
//
// Note: session entity types apply to all queries, regardless of the language.
message SessionEntityType {
  // The types of modifications for a session entity type.
  enum EntityOverrideMode {
    // Not specified. This value should be never used.
    ENTITY_OVERRIDE_MODE_UNSPECIFIED = 0;

    // The collection of session entities overrides the collection of entities
    // in the corresponding developer entity type.
    ENTITY_OVERRIDE_MODE_OVERRIDE = 1;

    // The collection of session entities extends the collection of entities in
    // the corresponding developer entity type.
    // Calls to `ListSessionEntityTypes`, `GetSessionEntityType`,
    // `CreateSessionEntityType` and `UpdateSessionEntityType` return the full
    // collection of entities from the developer entity type in the agent's
    // default language and the session entity type.
    ENTITY_OVERRIDE_MODE_SUPPLEMENT = 2;
  }

  // Required. The unique identifier of this session entity type. Format:
  // `projects/<Project ID>/agent/sessions/<Session ID>/entityTypes/<Entity Type
  // Display Name>`.
  string name = 1;

  // Required. Indicates whether the additional data should override or
  // supplement the developer entity type definition.
  EntityOverrideMode entity_override_mode = 2;

  // Required. The collection of entities associated with this session entity
  // type.
  repeated EntityType.Entity entities = 3;
}

// The request message for [SessionEntityTypes.ListSessionEntityTypes][google.cloud.dialogflow.v2.SessionEntityTypes.ListSessionEntityTypes].
message ListSessionEntityTypesRequest {
  // Required. The session to list all session entity types from.
  // Format: `projects/<Project ID>/agent/sessions/<Session ID>`.
  string parent = 1;

  // Optional. The maximum number of items to return in a single page. By
  // default 100 and at most 1000.
  int32 page_size = 2;

  // Optional. The next_page_token value returned from a previous list request.
  string page_token = 3;
}

// The response message for [SessionEntityTypes.ListSessionEntityTypes][google.cloud.dialogflow.v2.SessionEntityTypes.ListSessionEntityTypes].
message ListSessionEntityTypesResponse {
  // The list of session entity types. There will be a maximum number of items
  // returned based on the page_size field in the request.
  repeated SessionEntityType session_entity_types = 1;

  // Token to retrieve the next page of results, or empty if there are no
  // more results in the list.
  string next_page_token = 2;
}

// The request message for [SessionEntityTypes.GetSessionEntityType][google.cloud.dialogflow.v2.SessionEntityTypes.GetSessionEntityType].
message GetSessionEntityTypeRequest {
  // Required. The name of the session entity type. Format:
  // `projects/<Project ID>/agent/sessions/<Session ID>/entityTypes/<Entity Type
  // Display Name>`.
  string name = 1;
}

// The request message for [SessionEntityTypes.CreateSessionEntityType][google.cloud.dialogflow.v2.SessionEntityTypes.CreateSessionEntityType].
message CreateSessionEntityTypeRequest {
  // Required. The session to create a session entity type for.
  // Format: `projects/<Project ID>/agent/sessions/<Session ID>`.
  string parent = 1;

  // Required. The session entity type to create.
  SessionEntityType session_entity_type = 2;
}

// The request message for [SessionEntityTypes.UpdateSessionEntityType][google.cloud.dialogflow.v2.SessionEntityTypes.UpdateSessionEntityType].
message UpdateSessionEntityTypeRequest {
  // Required. The entity type to update. Format:
  // `projects/<Project ID>/agent/sessions/<Session ID>/entityTypes/<Entity Type
  // Display Name>`.
  SessionEntityType session_entity_type = 1;

  // Optional. The mask to control which fields get updated.
  google.protobuf.FieldMask update_mask = 2;
}

// The request message for [SessionEntityTypes.DeleteSessionEntityType][google.cloud.dialogflow.v2.SessionEntityTypes.DeleteSessionEntityType].
message DeleteSessionEntityTypeRequest {
  // Required. The name of the entity type to delete. Format:
  // `projects/<Project ID>/agent/sessions/<Session ID>/entityTypes/<Entity Type
  // Display Name>`.
  string name = 1;
}
