# frozen_string_literal: true

# Copyright 2023 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
#
#     https://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.

# Auto-generated by gapic-generator-ruby. DO NOT EDIT!

require "google/cloud/errors"
require "google/cloud/dialogflow/v2/conversation_pb"
require "google/cloud/dialogflow/v2/conversations/rest/service_stub"
require "google/cloud/location/rest"

module Google
  module Cloud
    module Dialogflow
      module V2
        module Conversations
          module Rest
            ##
            # REST client for the Conversations service.
            #
            # Service for managing
            # {::Google::Cloud::Dialogflow::V2::Conversation Conversations}.
            #
            class Client
              include Paths

              # @private
              attr_reader :conversations_stub

              ##
              # Configure the Conversations Client class.
              #
              # See {::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client::Configuration}
              # for a description of the configuration fields.
              #
              # @example
              #
              #   # Modify the configuration for all Conversations clients
              #   ::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client.configure do |config|
              #     config.timeout = 10.0
              #   end
              #
              # @yield [config] Configure the Client client.
              # @yieldparam config [Client::Configuration]
              #
              # @return [Client::Configuration]
              #
              def self.configure
                @configure ||= begin
                  namespace = ["Google", "Cloud", "Dialogflow", "V2"]
                  parent_config = while namespace.any?
                                    parent_name = namespace.join "::"
                                    parent_const = const_get parent_name
                                    break parent_const.configure if parent_const.respond_to? :configure
                                    namespace.pop
                                  end
                  default_config = Client::Configuration.new parent_config

                  default_config.timeout = 60.0
                  default_config.retry_policy = {
                    initial_delay: 0.1, max_delay: 60.0, multiplier: 1.3, retry_codes: [14]
                  }

                  default_config
                end
                yield @configure if block_given?
                @configure
              end

              ##
              # Configure the Conversations Client instance.
              #
              # The configuration is set to the derived mode, meaning that values can be changed,
              # but structural changes (adding new fields, etc.) are not allowed. Structural changes
              # should be made on {Client.configure}.
              #
              # See {::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client::Configuration}
              # for a description of the configuration fields.
              #
              # @yield [config] Configure the Client client.
              # @yieldparam config [Client::Configuration]
              #
              # @return [Client::Configuration]
              #
              def configure
                yield @config if block_given?
                @config
              end

              ##
              # Create a new Conversations REST client object.
              #
              # @example
              #
              #   # Create a client using the default configuration
              #   client = ::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client.new
              #
              #   # Create a client using a custom configuration
              #   client = ::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client.new do |config|
              #     config.timeout = 10.0
              #   end
              #
              # @yield [config] Configure the Conversations client.
              # @yieldparam config [Client::Configuration]
              #
              def initialize
                # Create the configuration object
                @config = Configuration.new Client.configure

                # Yield the configuration if needed
                yield @config if block_given?

                # Create credentials
                credentials = @config.credentials
                # Use self-signed JWT if the endpoint is unchanged from default,
                # but only if the default endpoint does not have a region prefix.
                enable_self_signed_jwt = @config.endpoint == Configuration::DEFAULT_ENDPOINT &&
                                         !@config.endpoint.split(".").first.include?("-")
                credentials ||= Credentials.default scope: @config.scope,
                                                    enable_self_signed_jwt: enable_self_signed_jwt
                if credentials.is_a?(::String) || credentials.is_a?(::Hash)
                  credentials = Credentials.new credentials, scope: @config.scope
                end

                @quota_project_id = @config.quota_project
                @quota_project_id ||= credentials.quota_project_id if credentials.respond_to? :quota_project_id

                @location_client = Google::Cloud::Location::Locations::Rest::Client.new do |config|
                  config.credentials = credentials
                  config.quota_project = @quota_project_id
                  config.endpoint = @config.endpoint
                  config.bindings_override = @config.bindings_override
                end

                @conversations_stub = ::Google::Cloud::Dialogflow::V2::Conversations::Rest::ServiceStub.new endpoint: @config.endpoint, credentials: credentials
              end

              ##
              # Get the associated client for mix-in of the Locations.
              #
              # @return [Google::Cloud::Location::Locations::Rest::Client]
              #
              attr_reader :location_client

              # Service calls

              ##
              # Creates a new conversation. Conversations are auto-completed after 24
              # hours.
              #
              # Conversation Lifecycle:
              # There are two stages during a conversation: Automated Agent Stage and
              # Assist Stage.
              #
              # For Automated Agent Stage, there will be a dialogflow agent responding to
              # user queries.
              #
              # For Assist Stage, there's no dialogflow agent responding to user queries.
              # But we will provide suggestions which are generated from conversation.
              #
              # If
              # {::Google::Cloud::Dialogflow::V2::Conversation#conversation_profile Conversation.conversation_profile}
              # is configured for a dialogflow agent, conversation will start from
              # `Automated Agent Stage`, otherwise, it will start from `Assist Stage`. And
              # during `Automated Agent Stage`, once an
              # {::Google::Cloud::Dialogflow::V2::Intent Intent} with
              # {::Google::Cloud::Dialogflow::V2::Intent#live_agent_handoff Intent.live_agent_handoff}
              # is triggered, conversation will transfer to Assist Stage.
              #
              # @overload create_conversation(request, options = nil)
              #   Pass arguments to `create_conversation` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::CreateConversationRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::CreateConversationRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload create_conversation(parent: nil, conversation: nil, conversation_id: nil)
              #   Pass arguments to `create_conversation` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param parent [::String]
              #     Required. Resource identifier of the project creating the conversation.
              #     Format: `projects/<Project ID>/locations/<Location ID>`.
              #   @param conversation [::Google::Cloud::Dialogflow::V2::Conversation, ::Hash]
              #     Required. The conversation to create.
              #   @param conversation_id [::String]
              #     Optional. Identifier of the conversation. Generally it's auto generated by
              #     Google. Only set it if you cannot wait for the response to return a
              #     auto-generated one to you.
              #
              #     The conversation ID must be compliant with the regression fomula
              #     `[a-zA-Z][a-zA-Z0-9_-]*` with the characters length in range of [3,64].
              #     If the field is provided, the caller is resposible for
              #     1. the uniqueness of the ID, otherwise the request will be rejected.
              #     2. the consistency for whether to use custom ID or not under a project to
              #     better ensure uniqueness.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Cloud::Dialogflow::V2::Conversation]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Cloud::Dialogflow::V2::Conversation]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def create_conversation request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::CreateConversationRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.create_conversation.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.create_conversation.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.create_conversation.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.create_conversation request, options do |result, operation|
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Returns the list of all conversations in the specified project.
              #
              # @overload list_conversations(request, options = nil)
              #   Pass arguments to `list_conversations` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::ListConversationsRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::ListConversationsRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload list_conversations(parent: nil, page_size: nil, page_token: nil, filter: nil)
              #   Pass arguments to `list_conversations` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param parent [::String]
              #     Required. The project from which to list all conversation.
              #     Format: `projects/<Project ID>/locations/<Location ID>`.
              #   @param page_size [::Integer]
              #     Optional. The maximum number of items to return in a single page. By
              #     default 100 and at most 1000.
              #   @param page_token [::String]
              #     Optional. The next_page_token value returned from a previous list request.
              #   @param filter [::String]
              #     A filter expression that filters conversations listed in the response. In
              #     general, the expression must specify the field name, a comparison operator,
              #     and the value to use for filtering:
              #     <ul>
              #       <li>The value must be a string, a number, or a boolean.</li>
              #       <li>The comparison operator must be either `=`,`!=`, `>`, or `<`.</li>
              #       <li>To filter on multiple expressions, separate the
              #           expressions with `AND` or `OR` (omitting both implies `AND`).</li>
              #       <li>For clarity, expressions can be enclosed in parentheses.</li>
              #     </ul>
              #     Only `lifecycle_state` can be filtered on in this way. For example,
              #     the following expression only returns `COMPLETED` conversations:
              #
              #     `lifecycle_state = "COMPLETED"`
              #
              #     For more information about filtering, see
              #     [API Filtering](https://aip.dev/160).
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Gapic::Rest::PagedEnumerable<::Google::Cloud::Dialogflow::V2::Conversation>]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Gapic::Rest::PagedEnumerable<::Google::Cloud::Dialogflow::V2::Conversation>]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def list_conversations request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::ListConversationsRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.list_conversations.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.list_conversations.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.list_conversations.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.list_conversations request, options do |result, operation|
                  result = ::Gapic::Rest::PagedEnumerable.new @conversations_stub, :list_conversations, "conversations", request, result, options
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Retrieves the specific conversation.
              #
              # @overload get_conversation(request, options = nil)
              #   Pass arguments to `get_conversation` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::GetConversationRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::GetConversationRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload get_conversation(name: nil)
              #   Pass arguments to `get_conversation` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. The name of the conversation. Format:
              #     `projects/<Project ID>/locations/<Location ID>/conversations/<Conversation
              #     ID>`.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Cloud::Dialogflow::V2::Conversation]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Cloud::Dialogflow::V2::Conversation]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def get_conversation request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::GetConversationRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.get_conversation.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.get_conversation.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.get_conversation.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.get_conversation request, options do |result, operation|
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Completes the specified conversation. Finished conversations are purged
              # from the database after 30 days.
              #
              # @overload complete_conversation(request, options = nil)
              #   Pass arguments to `complete_conversation` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::CompleteConversationRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::CompleteConversationRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload complete_conversation(name: nil)
              #   Pass arguments to `complete_conversation` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param name [::String]
              #     Required. Resource identifier of the conversation to close.
              #     Format: `projects/<Project ID>/locations/<Location
              #     ID>/conversations/<Conversation ID>`.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Cloud::Dialogflow::V2::Conversation]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Cloud::Dialogflow::V2::Conversation]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def complete_conversation request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::CompleteConversationRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.complete_conversation.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.complete_conversation.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.complete_conversation.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.complete_conversation request, options do |result, operation|
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Lists messages that belong to a given conversation.
              # `messages` are ordered by `create_time` in descending order. To fetch
              # updates without duplication, send request with filter
              # `create_time_epoch_microseconds >
              # [first item's create_time of previous request]` and empty page_token.
              #
              # @overload list_messages(request, options = nil)
              #   Pass arguments to `list_messages` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::ListMessagesRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::ListMessagesRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload list_messages(parent: nil, filter: nil, page_size: nil, page_token: nil)
              #   Pass arguments to `list_messages` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param parent [::String]
              #     Required. The name of the conversation to list messages for.
              #     Format: `projects/<Project ID>/locations/<Location
              #     ID>/conversations/<Conversation ID>`
              #   @param filter [::String]
              #     Optional. Filter on message fields. Currently predicates on `create_time`
              #     and `create_time_epoch_microseconds` are supported. `create_time` only
              #     support milliseconds accuracy. E.g.,
              #     `create_time_epoch_microseconds > 1551790877964485` or
              #     `create_time > 2017-01-15T01:30:15.01Z`.
              #
              #     For more information about filtering, see
              #     [API Filtering](https://aip.dev/160).
              #   @param page_size [::Integer]
              #     Optional. The maximum number of items to return in a single page. By
              #     default 100 and at most 1000.
              #   @param page_token [::String]
              #     Optional. The next_page_token value returned from a previous list request.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Gapic::Rest::PagedEnumerable<::Google::Cloud::Dialogflow::V2::Message>]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Gapic::Rest::PagedEnumerable<::Google::Cloud::Dialogflow::V2::Message>]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def list_messages request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::ListMessagesRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.list_messages.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.list_messages.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.list_messages.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.list_messages request, options do |result, operation|
                  result = ::Gapic::Rest::PagedEnumerable.new @conversations_stub, :list_messages, "messages", request, result, options
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Suggests summary for a conversation based on specific historical messages.
              # The range of the messages to be used for summary can be specified in the
              # request.
              #
              # @overload suggest_conversation_summary(request, options = nil)
              #   Pass arguments to `suggest_conversation_summary` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::SuggestConversationSummaryRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::SuggestConversationSummaryRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload suggest_conversation_summary(conversation: nil, latest_message: nil, context_size: nil, assist_query_params: nil)
              #   Pass arguments to `suggest_conversation_summary` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param conversation [::String]
              #     Required. The conversation to fetch suggestion for.
              #     Format: `projects/<Project ID>/locations/<Location
              #     ID>/conversations/<Conversation ID>`.
              #   @param latest_message [::String]
              #     The name of the latest conversation message used as context for
              #     compiling suggestion. If empty, the latest message of the conversation will
              #     be used.
              #
              #     Format: `projects/<Project ID>/locations/<Location
              #     ID>/conversations/<Conversation ID>/messages/<Message ID>`.
              #   @param context_size [::Integer]
              #     Max number of messages prior to and including
              #     [latest_message] to use as context when compiling the
              #     suggestion. By default 500 and at most 1000.
              #   @param assist_query_params [::Google::Cloud::Dialogflow::V2::AssistQueryParameters, ::Hash]
              #     Parameters for a human assist query. Only used for POC/demo purpose.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Cloud::Dialogflow::V2::SuggestConversationSummaryResponse]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Cloud::Dialogflow::V2::SuggestConversationSummaryResponse]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def suggest_conversation_summary request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::SuggestConversationSummaryRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.suggest_conversation_summary.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.suggest_conversation_summary.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.suggest_conversation_summary.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.suggest_conversation_summary request, options do |result, operation|
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Generates and returns a summary for a conversation that does not have a
              # resource created for it.
              #
              # @overload generate_stateless_summary(request, options = nil)
              #   Pass arguments to `generate_stateless_summary` via a request object, either of type
              #   {::Google::Cloud::Dialogflow::V2::GenerateStatelessSummaryRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Dialogflow::V2::GenerateStatelessSummaryRequest, ::Hash]
              #     A request object representing the call parameters. Required. To specify no
              #     parameters, or to keep all the default parameter values, pass an empty Hash.
              #   @param options [::Gapic::CallOptions, ::Hash]
              #     Overrides the default settings for this call, e.g, timeout, retries etc. Optional.
              #
              # @overload generate_stateless_summary(stateless_conversation: nil, conversation_profile: nil, latest_message: nil, max_context_size: nil)
              #   Pass arguments to `generate_stateless_summary` via keyword arguments. Note that at
              #   least one keyword argument is required. To specify no parameters, or to keep all
              #   the default parameter values, pass an empty Hash as a request object (see above).
              #
              #   @param stateless_conversation [::Google::Cloud::Dialogflow::V2::GenerateStatelessSummaryRequest::MinimalConversation, ::Hash]
              #     Required. The conversation to suggest a summary for.
              #   @param conversation_profile [::Google::Cloud::Dialogflow::V2::ConversationProfile, ::Hash]
              #     Required. A ConversationProfile containing information required for Summary
              #     generation.
              #     Required fields: \\{language_code, security_settings}
              #     Optional fields: \\{agent_assistant_config}
              #   @param latest_message [::String]
              #     The name of the latest conversation message used as context for
              #     generating a Summary. If empty, the latest message of the conversation will
              #     be used. The format is specific to the user and the names of the messages
              #     provided.
              #   @param max_context_size [::Integer]
              #     Max number of messages prior to and including
              #     [latest_message] to use as context when compiling the
              #     suggestion. By default 500 and at most 1000.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Cloud::Dialogflow::V2::GenerateStatelessSummaryResponse]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Cloud::Dialogflow::V2::GenerateStatelessSummaryResponse]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              def generate_stateless_summary request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Dialogflow::V2::GenerateStatelessSummaryRequest

                # Converts hash and nil to an options object
                options = ::Gapic::CallOptions.new(**options.to_h) if options.respond_to? :to_h

                # Customize the options with defaults
                call_metadata = @config.rpcs.generate_stateless_summary.metadata.to_h

                # Set x-goog-api-client and x-goog-user-project headers
                call_metadata[:"x-goog-api-client"] ||= ::Gapic::Headers.x_goog_api_client \
                  lib_name: @config.lib_name, lib_version: @config.lib_version,
                  gapic_version: ::Google::Cloud::Dialogflow::V2::VERSION,
                  transports_version_send: [:rest]

                call_metadata[:"x-goog-user-project"] = @quota_project_id if @quota_project_id

                options.apply_defaults timeout:      @config.rpcs.generate_stateless_summary.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.generate_stateless_summary.retry_policy

                options.apply_defaults timeout:      @config.timeout,
                                       metadata:     @config.metadata,
                                       retry_policy: @config.retry_policy

                @conversations_stub.generate_stateless_summary request, options do |result, operation|
                  yield result, operation if block_given?
                  return result
                end
              rescue ::Gapic::Rest::Error => e
                raise ::Google::Cloud::Error.from_error(e)
              end

              ##
              # Configuration class for the Conversations REST API.
              #
              # This class represents the configuration for Conversations REST,
              # providing control over timeouts, retry behavior, logging, transport
              # parameters, and other low-level controls. Certain parameters can also be
              # applied individually to specific RPCs. See
              # {::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client::Configuration::Rpcs}
              # for a list of RPCs that can be configured independently.
              #
              # Configuration can be applied globally to all clients, or to a single client
              # on construction.
              #
              # @example
              #
              #   # Modify the global config, setting the timeout for
              #   # create_conversation to 20 seconds,
              #   # and all remaining timeouts to 10 seconds.
              #   ::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client.configure do |config|
              #     config.timeout = 10.0
              #     config.rpcs.create_conversation.timeout = 20.0
              #   end
              #
              #   # Apply the above configuration only to a new client.
              #   client = ::Google::Cloud::Dialogflow::V2::Conversations::Rest::Client.new do |config|
              #     config.timeout = 10.0
              #     config.rpcs.create_conversation.timeout = 20.0
              #   end
              #
              # @!attribute [rw] endpoint
              #   The hostname or hostname:port of the service endpoint.
              #   Defaults to `"dialogflow.googleapis.com"`.
              #   @return [::String]
              # @!attribute [rw] credentials
              #   Credentials to send with calls. You may provide any of the following types:
              #    *  (`String`) The path to a service account key file in JSON format
              #    *  (`Hash`) A service account key as a Hash
              #    *  (`Google::Auth::Credentials`) A googleauth credentials object
              #       (see the [googleauth docs](https://rubydoc.info/gems/googleauth/Google/Auth/Credentials))
              #    *  (`Signet::OAuth2::Client`) A signet oauth2 client object
              #       (see the [signet docs](https://rubydoc.info/gems/signet/Signet/OAuth2/Client))
              #    *  (`nil`) indicating no credentials
              #   @return [::Object]
              # @!attribute [rw] scope
              #   The OAuth scopes
              #   @return [::Array<::String>]
              # @!attribute [rw] lib_name
              #   The library name as recorded in instrumentation and logging
              #   @return [::String]
              # @!attribute [rw] lib_version
              #   The library version as recorded in instrumentation and logging
              #   @return [::String]
              # @!attribute [rw] timeout
              #   The call timeout in seconds.
              #   @return [::Numeric]
              # @!attribute [rw] metadata
              #   Additional headers to be sent with the call.
              #   @return [::Hash{::Symbol=>::String}]
              # @!attribute [rw] retry_policy
              #   The retry policy. The value is a hash with the following keys:
              #    *  `:initial_delay` (*type:* `Numeric`) - The initial delay in seconds.
              #    *  `:max_delay` (*type:* `Numeric`) - The max delay in seconds.
              #    *  `:multiplier` (*type:* `Numeric`) - The incremental backoff multiplier.
              #    *  `:retry_codes` (*type:* `Array<String>`) - The error codes that should
              #       trigger a retry.
              #   @return [::Hash]
              # @!attribute [rw] quota_project
              #   A separate project against which to charge quota.
              #   @return [::String]
              #
              class Configuration
                extend ::Gapic::Config

                DEFAULT_ENDPOINT = "dialogflow.googleapis.com"

                config_attr :endpoint,      DEFAULT_ENDPOINT, ::String
                config_attr :credentials,   nil do |value|
                  allowed = [::String, ::Hash, ::Proc, ::Symbol, ::Google::Auth::Credentials, ::Signet::OAuth2::Client, nil]
                  allowed.any? { |klass| klass === value }
                end
                config_attr :scope,         nil, ::String, ::Array, nil
                config_attr :lib_name,      nil, ::String, nil
                config_attr :lib_version,   nil, ::String, nil
                config_attr :timeout,       nil, ::Numeric, nil
                config_attr :metadata,      nil, ::Hash, nil
                config_attr :retry_policy,  nil, ::Hash, ::Proc, nil
                config_attr :quota_project, nil, ::String, nil

                # @private
                # Overrides for http bindings for the RPCs of this service
                # are only used when this service is used as mixin, and only
                # by the host service.
                # @return [::Hash{::Symbol=>::Array<::Gapic::Rest::GrpcTranscoder::HttpBinding>}]
                config_attr :bindings_override, {}, ::Hash, nil

                # @private
                def initialize parent_config = nil
                  @parent_config = parent_config unless parent_config.nil?

                  yield self if block_given?
                end

                ##
                # Configurations for individual RPCs
                # @return [Rpcs]
                #
                def rpcs
                  @rpcs ||= begin
                    parent_rpcs = nil
                    parent_rpcs = @parent_config.rpcs if defined?(@parent_config) && @parent_config.respond_to?(:rpcs)
                    Rpcs.new parent_rpcs
                  end
                end

                ##
                # Configuration RPC class for the Conversations API.
                #
                # Includes fields providing the configuration for each RPC in this service.
                # Each configuration object is of type `Gapic::Config::Method` and includes
                # the following configuration fields:
                #
                #  *  `timeout` (*type:* `Numeric`) - The call timeout in seconds
                #  *  `metadata` (*type:* `Hash{Symbol=>String}`) - Additional headers
                #  *  `retry_policy (*type:* `Hash`) - The retry policy. The policy fields
                #     include the following keys:
                #      *  `:initial_delay` (*type:* `Numeric`) - The initial delay in seconds.
                #      *  `:max_delay` (*type:* `Numeric`) - The max delay in seconds.
                #      *  `:multiplier` (*type:* `Numeric`) - The incremental backoff multiplier.
                #      *  `:retry_codes` (*type:* `Array<String>`) - The error codes that should
                #         trigger a retry.
                #
                class Rpcs
                  ##
                  # RPC-specific configuration for `create_conversation`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :create_conversation
                  ##
                  # RPC-specific configuration for `list_conversations`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :list_conversations
                  ##
                  # RPC-specific configuration for `get_conversation`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :get_conversation
                  ##
                  # RPC-specific configuration for `complete_conversation`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :complete_conversation
                  ##
                  # RPC-specific configuration for `list_messages`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :list_messages
                  ##
                  # RPC-specific configuration for `suggest_conversation_summary`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :suggest_conversation_summary
                  ##
                  # RPC-specific configuration for `generate_stateless_summary`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :generate_stateless_summary

                  # @private
                  def initialize parent_rpcs = nil
                    create_conversation_config = parent_rpcs.create_conversation if parent_rpcs.respond_to? :create_conversation
                    @create_conversation = ::Gapic::Config::Method.new create_conversation_config
                    list_conversations_config = parent_rpcs.list_conversations if parent_rpcs.respond_to? :list_conversations
                    @list_conversations = ::Gapic::Config::Method.new list_conversations_config
                    get_conversation_config = parent_rpcs.get_conversation if parent_rpcs.respond_to? :get_conversation
                    @get_conversation = ::Gapic::Config::Method.new get_conversation_config
                    complete_conversation_config = parent_rpcs.complete_conversation if parent_rpcs.respond_to? :complete_conversation
                    @complete_conversation = ::Gapic::Config::Method.new complete_conversation_config
                    list_messages_config = parent_rpcs.list_messages if parent_rpcs.respond_to? :list_messages
                    @list_messages = ::Gapic::Config::Method.new list_messages_config
                    suggest_conversation_summary_config = parent_rpcs.suggest_conversation_summary if parent_rpcs.respond_to? :suggest_conversation_summary
                    @suggest_conversation_summary = ::Gapic::Config::Method.new suggest_conversation_summary_config
                    generate_stateless_summary_config = parent_rpcs.generate_stateless_summary if parent_rpcs.respond_to? :generate_stateless_summary
                    @generate_stateless_summary = ::Gapic::Config::Method.new generate_stateless_summary_config

                    yield self if block_given?
                  end
                end
              end
            end
          end
        end
      end
    end
  end
end