# Copyright (c) 2021, NVIDIA CORPORATION.  All rights reserved.
# Copyright 2015 and onwards Google, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#
#     http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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from nemo_text_processing.inverse_text_normalization.en.verbalizers.cardinal import CardinalFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.date import DateFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.decimal import DecimalFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.electronic import ElectronicFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.measure import MeasureFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.money import MoneyFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.ordinal import OrdinalFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.telephone import TelephoneFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.time import TimeFst
from nemo_text_processing.inverse_text_normalization.en.verbalizers.whitelist import WhiteListFst
from nemo_text_processing.text_normalization.en.graph_utils import GraphFst


class VerbalizeFst(GraphFst):
    """
    Composes other verbalizer grammars.
    For deployment, this grammar will be compiled and exported to OpenFst Finite State Archive (FAR) File.
    More details to deployment at NeMo/tools/text_processing_deployment.
    """

    def __init__(self):
        super().__init__(name="verbalize", kind="verbalize")
        cardinal = CardinalFst()
        cardinal_graph = cardinal.fst
        ordinal_graph = OrdinalFst().fst
        decimal = DecimalFst()
        decimal_graph = decimal.fst
        measure_graph = MeasureFst(decimal=decimal, cardinal=cardinal).fst
        money_graph = MoneyFst(decimal=decimal).fst
        time_graph = TimeFst().fst
        date_graph = DateFst().fst
        whitelist_graph = WhiteListFst().fst
        telephone_graph = TelephoneFst().fst
        electronic_graph = ElectronicFst().fst
        graph = (
            time_graph
            | date_graph
            | money_graph
            | measure_graph
            | ordinal_graph
            | decimal_graph
            | cardinal_graph
            | whitelist_graph
            | telephone_graph
            | electronic_graph
        )
        self.fst = graph
