# -*- coding: utf-8 -*-
'''
Defines the set of symbols used in text input to the model.

The default is a set of ASCII characters that works well for English or text that has been run
through Unidecode. For other data, you can modify _characters. See TRAINING_DATA.md for details.
'''
from utils.text import cmudict

_pad = '_'
_eos = '~'
_characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\'(),-.:;? '
_punctuations = '!\'(),-.:;? '

# TODO: include more phoneme characters for other languages.
_phonemes = ['l','ɹ','ɜ','ɚ','k','u','ʔ','ð','ɐ','ɾ','ɑ','ɔ','b','ɛ','t','v','n','m','ʊ','ŋ','s',
             'ʌ','o','ʃ','i','p','æ','e','a','ʒ',' ','h','ɪ','ɡ','f','r','w','ɫ','ɬ','d','x','ː',
             'ᵻ','ə','j','θ','z','ɒ']

_phonemes = sorted(list(set(_phonemes)))

# Prepend "@" to ARPAbet symbols to ensure uniqueness (some are the same as uppercase letters):
_arpabet = ['@' + s for s in _phonemes]

# Export all symbols:
symbols = [_pad, _eos] + list(_characters) + _arpabet
phonemes = [_pad, _eos] + list(_phonemes) + list(_punctuations)

if __name__ == '__main__':
    print(" > TTS symbols ")
    print(symbols)
    print(" > TTS phonemes ")
    print(phonemes)