// Copyright 2020 Google LLC
//
// 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/api/client.proto";
import "google/api/field_behavior.proto";
import "google/api/resource.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";

// Service for managing [SessionEntityTypes][google.cloud.dialogflow.v2.SessionEntityType].
service SessionEntityTypes {
  option (google.api.default_host) = "dialogflow.googleapis.com";
  option (google.api.oauth_scopes) =
      "https://www.googleapis.com/auth/cloud-platform,"
      "https://www.googleapis.com/auth/dialogflow";

  // Returns the list of all session entity types in the specified session.
  //
  // This method doesn't work with Google Assistant integration.
  // Contact Dialogflow support if you need to use session entities
  // with Google Assistant integration.
  rpc ListSessionEntityTypes(ListSessionEntityTypesRequest) returns (ListSessionEntityTypesResponse) {
    option (google.api.http) = {
      get: "/v2/{parent=projects/*/agent/sessions/*}/entityTypes"
      additional_bindings {
        get: "/v2/{parent=projects/*/agent/environments/*/users/*/sessions/*}/entityTypes"
      }
    };
    option (google.api.method_signature) = "parent";
  }

  // Retrieves the specified session entity type.
  //
  // This method doesn't work with Google Assistant integration.
  // Contact Dialogflow support if you need to use session entities
  // with Google Assistant integration.
  rpc GetSessionEntityType(GetSessionEntityTypeRequest) returns (SessionEntityType) {
    option (google.api.http) = {
      get: "/v2/{name=projects/*/agent/sessions/*/entityTypes/*}"
      additional_bindings {
        get: "/v2/{name=projects/*/agent/environments/*/users/*/sessions/*/entityTypes/*}"
      }
    };
    option (google.api.method_signature) = "name";
  }

  // Creates a session entity type.
  //
  // If the specified session entity type already exists, overrides the session
  // entity type.
  //
  // This method doesn't work with Google Assistant integration.
  // Contact Dialogflow support if you need to use session entities
  // with Google Assistant integration.
  rpc CreateSessionEntityType(CreateSessionEntityTypeRequest) returns (SessionEntityType) {
    option (google.api.http) = {
      post: "/v2/{parent=projects/*/agent/sessions/*}/entityTypes"
      body: "session_entity_type"
      additional_bindings {
        post: "/v2/{parent=projects/*/agent/environments/*/users/*/sessions/*}/entityTypes"
        body: "session_entity_type"
      }
    };
    option (google.api.method_signature) = "parent,session_entity_type";
  }

  // Updates the specified session entity type.
  //
  // This method doesn't work with Google Assistant integration.
  // Contact Dialogflow support if you need to use session entities
  // with Google Assistant integration.
  rpc UpdateSessionEntityType(UpdateSessionEntityTypeRequest) returns (SessionEntityType) {
    option (google.api.http) = {
      patch: "/v2/{session_entity_type.name=projects/*/agent/sessions/*/entityTypes/*}"
      body: "session_entity_type"
      additional_bindings {
        patch: "/v2/{session_entity_type.name=projects/*/agent/environments/*/users/*/sessions/*/entityTypes/*}"
        body: "session_entity_type"
      }
    };
    option (google.api.method_signature) = "session_entity_type";
    option (google.api.method_signature) = "session_entity_type,update_mask";
  }

  // Deletes the specified session entity type.
  //
  // This method doesn't work with Google Assistant integration.
  // Contact Dialogflow support if you need to use session entities
  // with Google Assistant integration.
  rpc DeleteSessionEntityType(DeleteSessionEntityTypeRequest) returns (google.protobuf.Empty) {
    option (google.api.http) = {
      delete: "/v2/{name=projects/*/agent/sessions/*/entityTypes/*}"
      additional_bindings {
        delete: "/v2/{name=projects/*/agent/environments/*/users/*/sessions/*/entityTypes/*}"
      }
    };
    option (google.api.method_signature) = "name";
  }
}

// A session represents a conversation between a Dialogflow agent and an
// end-user. You can create special entities, called session entities, during a
// session. Session entities can extend or replace custom entity types and only
// exist during the session that they were created for. All session data,
// including session entities, is stored by Dialogflow for 20 minutes.
//
// For more information, see the [session entity
// guide](https://cloud.google.com/dialogflow/docs/entities-session).
message SessionEntityType {
  option (google.api.resource) = {
    type: "dialogflow.googleapis.com/SessionEntityType"
    pattern: "projects/{project}/agent/sessions/{session}/entityTypes/{entity_type}"
    pattern: "projects/{project}/agent/environments/{environment}/users/{user}/sessions/{session}/entityTypes/{entity_type}"
  };

  // 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 custom entity type.
    ENTITY_OVERRIDE_MODE_OVERRIDE = 1;

    // The collection of session entities extends the collection of entities in
    // the corresponding custom entity type.
    //
    // Note: Even in this override mode calls to `ListSessionEntityTypes`,
    // `GetSessionEntityType`, `CreateSessionEntityType` and
    // `UpdateSessionEntityType` only return the additional entities added in
    // this session entity type. If you want to get the supplemented list,
    // please call [EntityTypes.GetEntityType][google.cloud.dialogflow.v2.EntityTypes.GetEntityType] on the custom entity type
    // and merge.
    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>`, or `projects/<Project ID>/agent/environments/<Environment
  // ID>/users/<User ID>/sessions/<Session ID>/entityTypes/<Entity Type Display
  // Name>`.
  // If `Environment ID` is not specified, we assume default 'draft'
  // environment. If `User ID` is not specified, we assume default '-' user.
  //
  // `<Entity Type Display Name>` must be the display name of an existing entity
  // type in the same agent that will be overridden or supplemented.
  string name = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. Indicates whether the additional data should override or
  // supplement the custom entity type definition.
  EntityOverrideMode entity_override_mode = 2 [(google.api.field_behavior) = REQUIRED];

  // Required. The collection of entities associated with this session entity
  // type.
  repeated EntityType.Entity entities = 3 [(google.api.field_behavior) = REQUIRED];
}

// 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>` or
  // `projects/<Project ID>/agent/environments/<Environment ID>/users/<User ID>/
  // sessions/<Session ID>`.
  // If `Environment ID` is not specified, we assume default 'draft'
  // environment. If `User ID` is not specified, we assume default '-' user.
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "dialogflow.googleapis.com/SessionEntityType"
    }
  ];

  // Optional. The maximum number of items to return in a single page. By
  // default 100 and at most 1000.
  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The next_page_token value returned from a previous list request.
  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
}

// 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>` or `projects/<Project ID>/agent/environments/<Environment
  // ID>/users/<User ID>/sessions/<Session ID>/entityTypes/<Entity Type Display
  // Name>`.
  // If `Environment ID` is not specified, we assume default 'draft'
  // environment. If `User ID` is not specified, we assume default '-' user.
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "dialogflow.googleapis.com/SessionEntityType"
    }
  ];
}

// 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>` or
  // `projects/<Project ID>/agent/environments/<Environment ID>/users/<User ID>/
  // sessions/<Session ID>`.
  // If `Environment ID` is not specified, we assume default 'draft'
  // environment. If `User ID` is not specified, we assume default '-' user.
  string parent = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      child_type: "dialogflow.googleapis.com/SessionEntityType"
    }
  ];

  // Required. The session entity type to create.
  SessionEntityType session_entity_type = 2 [(google.api.field_behavior) = REQUIRED];
}

// The request message for [SessionEntityTypes.UpdateSessionEntityType][google.cloud.dialogflow.v2.SessionEntityTypes.UpdateSessionEntityType].
message UpdateSessionEntityTypeRequest {
  // Required. The session entity type to update.
  SessionEntityType session_entity_type = 1 [(google.api.field_behavior) = REQUIRED];

  // Optional. The mask to control which fields get updated.
  google.protobuf.FieldMask update_mask = 2 [(google.api.field_behavior) = OPTIONAL];
}

// 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>` or `projects/<Project ID>/agent/environments/<Environment
  // ID>/users/<User ID>/sessions/<Session ID>/entityTypes/<Entity Type Display
  // Name>`.
  // If `Environment ID` is not specified, we assume default 'draft'
  // environment. If `User ID` is not specified, we assume default '-' user.
  string name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "dialogflow.googleapis.com/SessionEntityType"
    }
  ];
}
