--[[   
   Copyright 2025 datenlabor <admin@datenlabor.ru>
   
   Readme: https://gitlabor.ru/Datenlabor/translit
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA.
   
   
--]]

local utf8 = require('lua-utf8')

local _M = {}

local function replace(str,data)
	for k,v in pairs(data) do
		str = utf8.gsub(str,k,v)
	end
	return str
end

function _M.en(input)
	local gost = {
		['а']='a',['б']='b',['в']='v',['г']='g',['д']='d',['е']='e',
		['ё']='yo',['ж']='j',['з']='z',['и']='i',['й']='i',['к']='k',
		['л']='l',['м']='m',['н']='n',['о']='o',['п']='p',['р']='r',
		['с']='s',['т']='t',['у']='y',['ф']='f',['х']='h',['ц']='c',
		['ч']='ch',['ш']='sh',['щ']='sh',['ы']='i',['э']='e',['ю']='u',
		['я']='ya',['А']='A',['Б']='B',['В']='V',['Г']='G',['Д']='D',
		['Е']='E',['Ё']='Yo',['Ж']='J',['З']='Z',['И']='I',['Й']='I',
		['К']='K',['Л']='L',['М']='M',['Н']='N',['О']='O',['П']='P',
		['Р']='R',['С']='S',['Т']='T',['У']='Y',['Ф']='F',['Х']='H',
		['Ц']='C',['Ч']='Ch',['Ш']='Sh',['Щ']='Sh',['Ы']='I',['Э']='E',
		['Ю']='U',['Я']='Ya',['ь']='',['Ь']='',['ъ']='',['Ъ']='',['ї']='j',
		['і']='i',['ґ']='g',['є']='ye',['Ї']='J',['І']='I',['Ґ']='G',['Є']='YE'
	}
	return replace(input, gost)
end


function _M.cy(input)
	local gost = {
		['ch']='ч',['sh']='ш',['sh']='щ',['YS']='ЫС',['Yo']='Ё',['yo']='ё',
		['YE']='Е',['SH']='Щ',['YA']='Я',['CH']='Ч',['SH']='Ш',
		['Ch']='Ч',['Sh']='Ш',['Sh']='Щ',['Ya']='Я',['JA']='Я',
		['JS']='ЙС',['ZH']='Ж',['ya']='я',['ye']='э',['a']='а',
		['b']='б',['v']='в',['g']='г',['d']='д',['e']='е',['j']='ж',
		['z']='з',['i']='и',['i']='й',['k']='к',['l']='л',['m']='м',
		['n']='н',['o']='о',['p']='п',['r']='р',['s']='с',['t']='т',
		['y']='у',['f']='ф',['h']='х',['c']='ц',['i']='ы',['e']='е',
		['u']='у',['A']='А',['B']='Б',['V']='В',['G']='Г',['D']='Д',
		['E']='Е',['J']='Ж',['Z']='З',['I']='И',['K']='К',['L']='Л',
		['M']='М',['N']='Н',['O']='О',['P']='П',['R']='Р',['S']='С',
		['T']='Т',['Y']='Ы',['F']='Ф',['H']='Х',['C']='Ц',['E']='Е',
		['U']='У',["'"]='ь',["'"]='Ь',["''"]='ъ',["''"]='Ъ',['j']='ї',
		['i']='и',['g']='ґ',['G']='Г'
	}
	return replace(input, gost)
end

return _M