text: # Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
  #
  # 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.
  import pynini
  from nemo_text_processing.text_normalization.en.graph_utils import (
      NEMO_NOT_QUOTE,
      NEMO_SIGMA,
      NEMO_SPACE,
      GraphFst,
      delete_preserve_order,
  )
  from nemo_text_processing.text_normalization.es.graph_utils import shift_cardinal_gender, strip_cardinal_apocope
  from nemo_text_processing.text_normalization.es.utils import get_abs_path
  from pynini.lib import pynutil
  
  fem = pynini.string_file((get_abs_path("data/money/currency_plural_fem.tsv")))
  masc = pynini.string_file((get_abs_path("data/money/currency_plural_masc.tsv")))
  
  fem_singular = pynini.project(fem, "input")
  masc_singular = pynini.project(masc, "input")
  
  fem_plural = pynini.project(fem, "output")
  masc_plural = pynini.project(masc, "output")
  
  
  class MoneyFst(GraphFst):
      """
      Finite state transducer for verbalizing money, e.g.
          money { currency_maj: "euro" integer_part: "un"} -> "un euro"
          money { currency_maj: "euro" integer_part: "un" fractional_part: "cero cero un"} -> "uno coma cero cero uno euros"
          money { integer_part: "un" currency_maj: "libra" fractional_part: "cuarenta" preserve_order: true} -> "una libra cuarenta"
          money { integer_part: "un" currency_maj: "libra" fractional_part: "cuarenta" currency_min: "peniques" preserve_order: true} -> "una libra con cuarenta peniques"
          money { fractional_part: "un" currency_min: "penique" preserve_order: true} -> "un penique"
  
      Args:
          decimal: GraphFst
          deterministic: if True will provide a single transduction option,
              for False multiple transduction are generated (used for audio-based normalization)
      """
  
      def __init__(self, decimal: GraphFst, deterministic: bool = True):
          super().__init__(name="money", kind="verbalize", deterministic=deterministic)
  
          maj_singular_masc = (
              pynutil.delete("currency_maj: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ masc_singular)
              + pynutil.delete("\"")
          )
          maj_singular_fem = (
              pynutil.delete("currency_maj: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ fem_singular)
              + pynutil.delete("\"")
          )
  
          maj_plural_masc = (
              pynutil.delete("currency_maj: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ masc_plural)
              + pynutil.delete("\"")
          )
          maj_plural_fem = (
              pynutil.delete("currency_maj: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ fem_plural)
              + pynutil.delete("\"")
          )
  
          maj_masc = maj_plural_masc | maj_singular_masc  # Tagger kept quantity resolution stable
          maj_fem = maj_plural_fem | maj_singular_fem
  
          min_singular_masc = (
              pynutil.delete("currency_min: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ masc_singular)
              + pynutil.delete("\"")
          )
          min_singular_fem = (
              pynutil.delete("currency_min: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ fem_singular)
              + pynutil.delete("\"")
          )
  
          min_plural_masc = (
              pynutil.delete("currency_min: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ masc_plural)
              + pynutil.delete("\"")
          )
          min_plural_fem = (
              pynutil.delete("currency_min: \"")
              + (pynini.closure(NEMO_NOT_QUOTE, 1) @ fem_plural)
              + pynutil.delete("\"")
          )
  
          min_masc = min_plural_masc | min_singular_masc
          min_fem = min_plural_fem | min_singular_fem
  
          fractional_part = (
              pynutil.delete("fractional_part: \"") + pynini.closure(NEMO_NOT_QUOTE, 1) + pynutil.delete("\"")
          )
  
          integer_part = pynutil.delete("integer_part: \"") + pynini.closure(NEMO_NOT_QUOTE, 1) + pynutil.delete("\"")
          optional_add_and = pynini.closure(pynutil.insert(pynini.union("con ", "y ")), 0, 1)
  
          #  *** currency_maj
          graph_integer_masc = integer_part + NEMO_SPACE + maj_masc
          graph_integer_fem = shift_cardinal_gender(integer_part) + NEMO_SPACE + maj_fem
  
          graph_integer = graph_integer_fem | graph_integer_masc
  
          #  *** currency_maj + (***) | ((con) *** current_min)
          graph_integer_with_minor_masc = (
              graph_integer_masc
              + NEMO_SPACE
              + pynini.union(
                  optional_add_and + strip_cardinal_apocope(fractional_part),
                  (optional_add_and + fractional_part + NEMO_SPACE + min_masc),
                  (optional_add_and + shift_cardinal_gender(fractional_part) + NEMO_SPACE + min_fem),
              )  # Could be minor currency that is different gender
              + delete_preserve_order
          )
  
          graph_integer_with_minor_fem = (
              graph_integer_fem
              + NEMO_SPACE
              + pynini.union(
                  optional_add_and + shift_cardinal_gender(fractional_part),
                  (optional_add_and + fractional_part + NEMO_SPACE + min_masc),
                  (optional_add_and + shift_cardinal_gender(fractional_part) + NEMO_SPACE + min_fem),
              )  # Could be minor currency that is different gender
              + delete_preserve_order
          )
  
          graph_integer_with_minor = graph_integer_with_minor_fem | graph_integer_with_minor_masc
  
          ## *** coma *** currency_maj
          graph_decimal_masc = decimal.graph_masc + NEMO_SPACE + maj_masc
  
          graph_decimal_fem = decimal.graph_fem
          graph_decimal_fem |= decimal.numbers_only_quantity  # can still have "x billions" with fem currency
          graph_decimal_fem += NEMO_SPACE + maj_fem
  
          graph_decimal = graph_decimal_fem | graph_decimal_masc
          graph_decimal = (
              pynini.cdrewrite(
                  pynutil.insert(" de"), "quantity: \"" + pynini.closure(NEMO_NOT_QUOTE, 1), "\"", NEMO_SIGMA
              )
              @ graph_decimal
          )  # formally it's millones/billones de ***
  
          # *** current_min
          graph_minor_masc = fractional_part + NEMO_SPACE + min_masc + delete_preserve_order
          graph_minor_fem = shift_cardinal_gender(fractional_part) + NEMO_SPACE + min_fem + delete_preserve_order
  
          graph_minor = graph_minor_fem | graph_minor_masc
  
          graph = graph_integer | graph_integer_with_minor | graph_decimal | graph_minor
  
          delete_tokens = self.delete_tokens(graph)
          self.fst = delete_tokens.optimize()
  