Module:as-IPA

local export = {}

local lang = require("Module:languages").getByCode("as")
local sc = require("Module:scripts").getByCode("Beng")
local m_translit = require("Module:as-translit").tr
local m_IPA = require("Module:IPA")

local gsub = mw.ustring.gsub
local gmatch = mw.ustring.gmatch

local correspondences = {
     = "ɡ", 
     = "n",
     = "pʰ",  = "bʱ", 
     = "j",  = "ɹ", 
     = "ɦ",
     = "kʰ",  = "ɡʱ", 
     = "zʱ",  = "tʰ",  = "dʱ", 
     = "ɹʱ",  = "ɹi",
     = "ɔ",  = "ɛ",  = "ʊ",
     = "e",  = "o",  = "oɪ", 
     = "oʊ",
     = "ɔ̃",  = "ɛ̃",  = "ʊ",
     = "ẽ",  = "ɔ̃",  = "a",  = "i",  = "u"
}

local vowels = "aiueoüóéʏɵ"
local syllabify_pattern = "()(+)()"

local function syllabify(text)
	for count = 1, 2 do
		text = gsub(text, syllabify_pattern, function(a, b, c)
			return a .. gsub(gsub(b, "(.)(.+)", "%1.%2"), "^(+)$", ".%1") .. c end)
	end
	return text
end

function export.link(term)
	return require("Module:links").full_link{ term = term, lang = lang, sc = sc }
end

function export.toIPA(text)
	local result = {}
	
	local translit = m_translit(text, lang, sc, "IPA")
	if not translit then
		error('The term "' .. text .. '" could not be transliterated.')
	end
	
    local translit = syllabify(translit)
	
	for character in gmatch(translit, ".") do
		table.insert(result, correspondences or character)
	end
	
	result = table.concat(result)
	result = gsub(result, "()i", "%1ɪ")
	result = gsub(result, "z%.z", "d.ʑ")
	result = gsub(result, "()ɦ", "%1ʱ")
	
	return result
end

function export.make(frame)
	local args = frame:getParent().args
	local pagetitle = mw.title.getCurrentTitle().text
	
	local p, results = {}, {}
	
	if args then
		for index, item in ipairs(args) do
			table.insert(p, (item ~= "") and item or nil)
		end
	else
		p = { pagetitle }
	end
	
	for _, Assamese in ipairs(p) do
		table.insert(results, { pron = "/" .. export.toIPA(Assamese) .. "/" })
	end
	
	return '* ' ..   m_IPA.format_IPA_full { lang = lang, items = results }
end

return export