# 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/devtools/cloudtrace/v2/tracing_pb"
require "google/cloud/trace/v2/trace_service/rest/service_stub"

module Google
  module Cloud
    module Trace
      module V2
        module TraceService
          module Rest
            ##
            # REST client for the TraceService service.
            #
            # Service for collecting and viewing traces and spans within a trace.
            #
            # A trace is a collection of spans corresponding to a single
            # operation or a set of operations in an application.
            #
            # A span is an individual timed event which forms a node of the trace tree.
            # A single trace can contain spans from multiple services.
            #
            class Client
              # @private
              DEFAULT_ENDPOINT_TEMPLATE = "cloudtrace.$UNIVERSE_DOMAIN$"

              include Paths

              # @private
              attr_reader :trace_service_stub

              ##
              # Configure the TraceService Client class.
              #
              # See {::Google::Cloud::Trace::V2::TraceService::Rest::Client::Configuration}
              # for a description of the configuration fields.
              #
              # @example
              #
              #   # Modify the configuration for all TraceService clients
              #   ::Google::Cloud::Trace::V2::TraceService::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", "Trace", "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.rpcs.batch_write_spans.timeout = 120.0
                  default_config.rpcs.batch_write_spans.retry_policy = {
                    initial_delay: 0.1, max_delay: 30.0, multiplier: 2, retry_codes: [14, 4]
                  }

                  default_config.rpcs.create_span.timeout = 120.0
                  default_config.rpcs.create_span.retry_policy = {
                    initial_delay: 0.1, max_delay: 1.0, multiplier: 1.2, retry_codes: [14, 4]
                  }

                  default_config
                end
                yield @configure if block_given?
                @configure
              end

              ##
              # Configure the TraceService 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::Trace::V2::TraceService::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

              ##
              # The effective universe domain
              #
              # @return [String]
              #
              def universe_domain
                @trace_service_stub.universe_domain
              end

              ##
              # Create a new TraceService REST client object.
              #
              # @example
              #
              #   # Create a client using the default configuration
              #   client = ::Google::Cloud::Trace::V2::TraceService::Rest::Client.new
              #
              #   # Create a client using a custom configuration
              #   client = ::Google::Cloud::Trace::V2::TraceService::Rest::Client.new do |config|
              #     config.timeout = 10.0
              #   end
              #
              # @yield [config] Configure the TraceService 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.nil? ||
                                         (@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

                @trace_service_stub = ::Google::Cloud::Trace::V2::TraceService::Rest::ServiceStub.new(
                  endpoint: @config.endpoint,
                  endpoint_template: DEFAULT_ENDPOINT_TEMPLATE,
                  universe_domain: @config.universe_domain,
                  credentials: credentials
                )
              end

              # Service calls

              ##
              # Batch writes new spans to new or existing traces. You cannot update
              # existing spans.
              #
              # @overload batch_write_spans(request, options = nil)
              #   Pass arguments to `batch_write_spans` via a request object, either of type
              #   {::Google::Cloud::Trace::V2::BatchWriteSpansRequest} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Trace::V2::BatchWriteSpansRequest, ::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 batch_write_spans(name: nil, spans: nil)
              #   Pass arguments to `batch_write_spans` 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 project where the spans belong. The format is
              #     `projects/[PROJECT_ID]`.
              #   @param spans [::Array<::Google::Cloud::Trace::V2::Span, ::Hash>]
              #     Required. A list of new spans. The span names must not match existing
              #     spans, otherwise the results are undefined.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Protobuf::Empty]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Protobuf::Empty]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              #
              # @example Basic example
              #   require "google/cloud/trace/v2"
              #
              #   # Create a client object. The client can be reused for multiple calls.
              #   client = Google::Cloud::Trace::V2::TraceService::Rest::Client.new
              #
              #   # Create a request. To set request fields, pass in keyword arguments.
              #   request = Google::Cloud::Trace::V2::BatchWriteSpansRequest.new
              #
              #   # Call the batch_write_spans method.
              #   result = client.batch_write_spans request
              #
              #   # The returned object is of type Google::Protobuf::Empty.
              #   p result
              #
              def batch_write_spans request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Trace::V2::BatchWriteSpansRequest

                # 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.batch_write_spans.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::Trace::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.batch_write_spans.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.batch_write_spans.retry_policy

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

                @trace_service_stub.batch_write_spans 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

              ##
              # Creates a new span.
              #
              # @overload create_span(request, options = nil)
              #   Pass arguments to `create_span` via a request object, either of type
              #   {::Google::Cloud::Trace::V2::Span} or an equivalent Hash.
              #
              #   @param request [::Google::Cloud::Trace::V2::Span, ::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_span(name: nil, span_id: nil, parent_span_id: nil, display_name: nil, start_time: nil, end_time: nil, attributes: nil, stack_trace: nil, time_events: nil, links: nil, status: nil, same_process_as_parent_span: nil, child_span_count: nil, span_kind: nil)
              #   Pass arguments to `create_span` 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 resource name of the span in the following format:
              #
              #      * `projects/[PROJECT_ID]/traces/[TRACE_ID]/spans/[SPAN_ID]`
              #
              #     `[TRACE_ID]` is a unique identifier for a trace within a project;
              #     it is a 32-character hexadecimal encoding of a 16-byte array. It should
              #     not be zero.
              #
              #     `[SPAN_ID]` is a unique identifier for a span within a trace; it
              #     is a 16-character hexadecimal encoding of an 8-byte array. It should not
              #     be zero.
              #     .
              #   @param span_id [::String]
              #     Required. The `[SPAN_ID]` portion of the span's resource name.
              #   @param parent_span_id [::String]
              #     The `[SPAN_ID]` of this span's parent span. If this is a root span,
              #     then this field must be empty.
              #   @param display_name [::Google::Cloud::Trace::V2::TruncatableString, ::Hash]
              #     Required. A description of the span's operation (up to 128 bytes).
              #     Cloud Trace displays the description in the
              #     Cloud console.
              #     For example, the display name can be a qualified method name or a file name
              #     and a line number where the operation is called. A best practice is to use
              #     the same display name within an application and at the same call point.
              #     This makes it easier to correlate spans in different traces.
              #   @param start_time [::Google::Protobuf::Timestamp, ::Hash]
              #     Required. The start time of the span. On the client side, this is the time
              #     kept by the local machine where the span execution starts. On the server
              #     side, this is the time when the server's application handler starts
              #     running.
              #   @param end_time [::Google::Protobuf::Timestamp, ::Hash]
              #     Required. The end time of the span. On the client side, this is the time
              #     kept by the local machine where the span execution ends. On the server
              #     side, this is the time when the server application handler stops running.
              #   @param attributes [::Google::Cloud::Trace::V2::Span::Attributes, ::Hash]
              #     A set of attributes on the span. You can have up to 32 attributes per
              #     span.
              #   @param stack_trace [::Google::Cloud::Trace::V2::StackTrace, ::Hash]
              #     Stack trace captured at the start of the span.
              #   @param time_events [::Google::Cloud::Trace::V2::Span::TimeEvents, ::Hash]
              #     A set of time events. You can have up to 32 annotations and 128 message
              #     events per span.
              #   @param links [::Google::Cloud::Trace::V2::Span::Links, ::Hash]
              #     Links associated with the span. You can have up to 128 links per Span.
              #   @param status [::Google::Rpc::Status, ::Hash]
              #     Optional. The final status for this span.
              #   @param same_process_as_parent_span [::Google::Protobuf::BoolValue, ::Hash]
              #     Optional. Set this parameter to indicate whether this span is in
              #     the same process as its parent. If you do not set this parameter,
              #     Trace is unable to take advantage of this helpful information.
              #   @param child_span_count [::Google::Protobuf::Int32Value, ::Hash]
              #     Optional. The number of child spans that were generated while this span
              #     was active. If set, allows implementation to detect missing child spans.
              #   @param span_kind [::Google::Cloud::Trace::V2::Span::SpanKind]
              #     Optional. Distinguishes between spans generated in a particular context.
              #     For example, two spans with the same name may be distinguished using
              #     `CLIENT` (caller) and `SERVER` (callee) to identify an RPC call.
              # @yield [result, operation] Access the result along with the TransportOperation object
              # @yieldparam result [::Google::Cloud::Trace::V2::Span]
              # @yieldparam operation [::Gapic::Rest::TransportOperation]
              #
              # @return [::Google::Cloud::Trace::V2::Span]
              #
              # @raise [::Google::Cloud::Error] if the REST call is aborted.
              #
              # @example Basic example
              #   require "google/cloud/trace/v2"
              #
              #   # Create a client object. The client can be reused for multiple calls.
              #   client = Google::Cloud::Trace::V2::TraceService::Rest::Client.new
              #
              #   # Create a request. To set request fields, pass in keyword arguments.
              #   request = Google::Cloud::Trace::V2::Span.new
              #
              #   # Call the create_span method.
              #   result = client.create_span request
              #
              #   # The returned object is of type Google::Cloud::Trace::V2::Span.
              #   p result
              #
              def create_span request, options = nil
                raise ::ArgumentError, "request must be provided" if request.nil?

                request = ::Gapic::Protobuf.coerce request, to: ::Google::Cloud::Trace::V2::Span

                # 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_span.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::Trace::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_span.timeout,
                                       metadata:     call_metadata,
                                       retry_policy: @config.rpcs.create_span.retry_policy

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

                @trace_service_stub.create_span 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 TraceService REST API.
              #
              # This class represents the configuration for TraceService 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::Trace::V2::TraceService::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
              #   # batch_write_spans to 20 seconds,
              #   # and all remaining timeouts to 10 seconds.
              #   ::Google::Cloud::Trace::V2::TraceService::Rest::Client.configure do |config|
              #     config.timeout = 10.0
              #     config.rpcs.batch_write_spans.timeout = 20.0
              #   end
              #
              #   # Apply the above configuration only to a new client.
              #   client = ::Google::Cloud::Trace::V2::TraceService::Rest::Client.new do |config|
              #     config.timeout = 10.0
              #     config.rpcs.batch_write_spans.timeout = 20.0
              #   end
              #
              # @!attribute [rw] endpoint
              #   A custom service endpoint, as a hostname or hostname:port. The default is
              #   nil, indicating to use the default endpoint in the current universe domain.
              #   @return [::String,nil]
              # @!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]
              # @!attribute [rw] universe_domain
              #   The universe domain within which to make requests. This determines the
              #   default endpoint URL. The default value of nil uses the environment
              #   universe (usually the default "googleapis.com" universe).
              #   @return [::String,nil]
              #
              class Configuration
                extend ::Gapic::Config

                # @private
                # The endpoint specific to the default "googleapis.com" universe. Deprecated.
                DEFAULT_ENDPOINT = "cloudtrace.googleapis.com"

                config_attr :endpoint,      nil, ::String, nil
                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
                config_attr :universe_domain, nil, ::String, 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 TraceService 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 `batch_write_spans`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :batch_write_spans
                  ##
                  # RPC-specific configuration for `create_span`
                  # @return [::Gapic::Config::Method]
                  #
                  attr_reader :create_span

                  # @private
                  def initialize parent_rpcs = nil
                    batch_write_spans_config = parent_rpcs.batch_write_spans if parent_rpcs.respond_to? :batch_write_spans
                    @batch_write_spans = ::Gapic::Config::Method.new batch_write_spans_config
                    create_span_config = parent_rpcs.create_span if parent_rpcs.respond_to? :create_span
                    @create_span = ::Gapic::Config::Method.new create_span_config

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