# Copyright 2015 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.

require 'date'
require 'google/apis/core/base_service'
require 'google/apis/core/json_representation'
require 'google/apis/core/hashable'
require 'google/apis/errors'

module Google
  module Apis
    module TexttospeechV1
      
      # Description of audio data to be synthesized.
      class AudioConfig
        include Google::Apis::Core::Hashable
      
        # Required. The format of the requested audio byte stream.
        # Corresponds to the JSON property `audioEncoding`
        # @return [String]
        attr_accessor :audio_encoding
      
        # Optional speaking pitch, in the range [-20.0, 20.0]. 20 means increase 20
        # semitones from the original pitch. -20 means decrease 20 semitones from the
        # original pitch.
        # Corresponds to the JSON property `pitch`
        # @return [Float]
        attr_accessor :pitch
      
        # The synthesis sample rate (in hertz) for this audio. Optional.  If this is
        # different from the voice's natural sample rate, then the synthesizer will
        # honor this request by converting to the desired sample rate (which might
        # result in worse audio quality), unless the specified sample rate is not
        # supported for the encoding chosen, in which case it will fail the request
        # and return google.rpc.Code.INVALID_ARGUMENT.
        # Corresponds to the JSON property `sampleRateHertz`
        # @return [Fixnum]
        attr_accessor :sample_rate_hertz
      
        # Optional speaking rate/speed, in the range [0.25, 4.0]. 1.0 is the normal
        # native speed supported by the specific voice. 2.0 is twice as fast, and
        # 0.5 is half as fast. If unset(0.0), defaults to the native 1.0 speed. Any
        # other values < 0.25 or > 4.0 will return an error.
        # Corresponds to the JSON property `speakingRate`
        # @return [Float]
        attr_accessor :speaking_rate
      
        # Optional volume gain (in dB) of the normal native volume supported by the
        # specific voice, in the range [-96.0, 16.0]. If unset, or set to a value of
        # 0.0 (dB), will play at normal native signal amplitude. A value of -6.0 (dB)
        # will play at approximately half the amplitude of the normal native signal
        # amplitude. A value of +6.0 (dB) will play at approximately twice the
        # amplitude of the normal native signal amplitude. Strongly recommend not to
        # exceed +10 (dB) as there's usually no effective increase in loudness for
        # any value greater than that.
        # Corresponds to the JSON property `volumeGainDb`
        # @return [Float]
        attr_accessor :volume_gain_db
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @audio_encoding = args[:audio_encoding] if args.key?(:audio_encoding)
          @pitch = args[:pitch] if args.key?(:pitch)
          @sample_rate_hertz = args[:sample_rate_hertz] if args.key?(:sample_rate_hertz)
          @speaking_rate = args[:speaking_rate] if args.key?(:speaking_rate)
          @volume_gain_db = args[:volume_gain_db] if args.key?(:volume_gain_db)
        end
      end
      
      # The message returned to the client by the `ListVoices` method.
      class ListVoicesResponse
        include Google::Apis::Core::Hashable
      
        # The list of voices.
        # Corresponds to the JSON property `voices`
        # @return [Array<Google::Apis::TexttospeechV1::Voice>]
        attr_accessor :voices
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @voices = args[:voices] if args.key?(:voices)
        end
      end
      
      # Contains text input to be synthesized. Either `text` or `ssml` must be
      # supplied. Supplying both or neither returns
      # google.rpc.Code.INVALID_ARGUMENT. The input size is limited to 5000
      # characters.
      class SynthesisInput
        include Google::Apis::Core::Hashable
      
        # The SSML document to be synthesized. The SSML document must be valid
        # and well-formed. Otherwise the RPC will fail and return
        # google.rpc.Code.INVALID_ARGUMENT. For more information, see
        # [SSML](/speech/text-to-speech/docs/ssml).
        # Corresponds to the JSON property `ssml`
        # @return [String]
        attr_accessor :ssml
      
        # The raw text to be synthesized.
        # Corresponds to the JSON property `text`
        # @return [String]
        attr_accessor :text
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @ssml = args[:ssml] if args.key?(:ssml)
          @text = args[:text] if args.key?(:text)
        end
      end
      
      # The top-level message sent by the client for the `SynthesizeSpeech` method.
      class SynthesizeSpeechRequest
        include Google::Apis::Core::Hashable
      
        # Description of audio data to be synthesized.
        # Corresponds to the JSON property `audioConfig`
        # @return [Google::Apis::TexttospeechV1::AudioConfig]
        attr_accessor :audio_config
      
        # Contains text input to be synthesized. Either `text` or `ssml` must be
        # supplied. Supplying both or neither returns
        # google.rpc.Code.INVALID_ARGUMENT. The input size is limited to 5000
        # characters.
        # Corresponds to the JSON property `input`
        # @return [Google::Apis::TexttospeechV1::SynthesisInput]
        attr_accessor :input
      
        # Description of which voice to use for a synthesis request.
        # Corresponds to the JSON property `voice`
        # @return [Google::Apis::TexttospeechV1::VoiceSelectionParams]
        attr_accessor :voice
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @audio_config = args[:audio_config] if args.key?(:audio_config)
          @input = args[:input] if args.key?(:input)
          @voice = args[:voice] if args.key?(:voice)
        end
      end
      
      # The message returned to the client by the `SynthesizeSpeech` method.
      class SynthesizeSpeechResponse
        include Google::Apis::Core::Hashable
      
        # The audio data bytes encoded as specified in the request, including the
        # header (For LINEAR16 audio, we include the WAV header). Note: as
        # with all bytes fields, protobuffers use a pure binary representation,
        # whereas JSON representations use base64.
        # Corresponds to the JSON property `audioContent`
        # NOTE: Values are automatically base64 encoded/decoded in the client library.
        # @return [String]
        attr_accessor :audio_content
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @audio_content = args[:audio_content] if args.key?(:audio_content)
        end
      end
      
      # Description of a voice supported by the TTS service.
      class Voice
        include Google::Apis::Core::Hashable
      
        # The languages that this voice supports, expressed as
        # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tags (e.g.
        # "en-US", "es-419", "cmn-tw").
        # Corresponds to the JSON property `languageCodes`
        # @return [Array<String>]
        attr_accessor :language_codes
      
        # The name of this voice.  Each distinct voice has a unique name.
        # Corresponds to the JSON property `name`
        # @return [String]
        attr_accessor :name
      
        # The natural sample rate (in hertz) for this voice.
        # Corresponds to the JSON property `naturalSampleRateHertz`
        # @return [Fixnum]
        attr_accessor :natural_sample_rate_hertz
      
        # The gender of this voice.
        # Corresponds to the JSON property `ssmlGender`
        # @return [String]
        attr_accessor :ssml_gender
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @language_codes = args[:language_codes] if args.key?(:language_codes)
          @name = args[:name] if args.key?(:name)
          @natural_sample_rate_hertz = args[:natural_sample_rate_hertz] if args.key?(:natural_sample_rate_hertz)
          @ssml_gender = args[:ssml_gender] if args.key?(:ssml_gender)
        end
      end
      
      # Description of which voice to use for a synthesis request.
      class VoiceSelectionParams
        include Google::Apis::Core::Hashable
      
        # The language (and optionally also the region) of the voice expressed as a
        # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag, e.g.
        # "en-US". Required. This should not include a script tag (e.g. use
        # "cmn-cn" rather than "cmn-Hant-cn"), because the script will be inferred
        # from the input provided in the SynthesisInput.  The TTS service
        # will use this parameter to help choose an appropriate voice.  Note that
        # the TTS service may choose a voice with a slightly different language code
        # than the one selected; it may substitute a different region
        # (e.g. using en-US rather than en-CA if there isn't a Canadian voice
        # available), or even a different language, e.g. using "nb" (Norwegian
        # Bokmal) instead of "no" (Norwegian)".
        # Corresponds to the JSON property `languageCode`
        # @return [String]
        attr_accessor :language_code
      
        # The name of the voice. Optional; if not set, the service will choose a
        # voice based on the other parameters such as language_code and gender.
        # Corresponds to the JSON property `name`
        # @return [String]
        attr_accessor :name
      
        # The preferred gender of the voice. Optional; if not set, the service will
        # choose a voice based on the other parameters such as language_code and
        # name. Note that this is only a preference, not requirement; if a
        # voice of the appropriate gender is not available, the synthesizer should
        # substitute a voice with a different gender rather than failing the request.
        # Corresponds to the JSON property `ssmlGender`
        # @return [String]
        attr_accessor :ssml_gender
      
        def initialize(**args)
           update!(**args)
        end
      
        # Update properties of this object
        def update!(**args)
          @language_code = args[:language_code] if args.key?(:language_code)
          @name = args[:name] if args.key?(:name)
          @ssml_gender = args[:ssml_gender] if args.key?(:ssml_gender)
        end
      end
    end
  end
end