local export = {}
local pos_functions = {}

local lang = require("Module:languages").getByCode("tts")
local script = require('Module:scripts').getByCode("Isan")
local PAGENAME = mw.title.getCurrentTitle().text
--local pron = require("Module:tts-pron")

function export.show(frame)

	local args = frame:getParent().args
	local poscat = frame.args[1] or error("Part of speech has not been specified. Please pass parameter 1 to the module invocation.")
	
	local head = args["head"]
	local tr = args["tr"]
	
	local data = {
		lang = lang,
		pos_category = poscat,
		categories = {},
		heads = {head},
		translits = {tr},
		inflections = {}
	}
	
	if pos_functions[poscat] then
		pos_functions[poscat](args, data)
	end
	
	local content = mw.title.new(PAGENAME):getContent()
	if content then
		local phon
--		local code = mw.ustring.match(content, '{{tts%-pron[^}]*}}')
        local code = mw.ustring.match(content, '{{tts[^}]*}}') --always match
		local false_positive = mw.ustring.match(content, 'obsolete spelling of') or mw.ustring.match(content, 'obsolete form of') or mw.ustring.match(content, 'alternative spelling of') or mw.ustring.match(content, 'archaic spelling of') or mw.ustring.match(PAGENAME, 'Unsupported')
		
		local code2 = mw.ustring.match(content, '{{audio|tts|[^}]*}}')
		if code2 then
			table.insert(data.categories, "Isan terms with redundant audio template")
		end
	end

	return require("Module:headword").full_headword(data)

end

pos_functions["Danh từ"] = function(args, data)

	local classifiers = {label = "classifier"}

	if args[1] then
		for _,par in ipairs(args) do
			if par == "*" then
				table.insert(classifiers, PAGENAME) -- shorthand
				table.insert(data.categories, "Isan classifiers")
				table.insert(data.categories, "Isan nouns classified by " .. PAGENAME)
			else
				table.insert(classifiers, par)
				table.insert(data.categories, "Isan nouns classified by " .. par)
			end
		end
		table.insert(data.inflections, classifiers)
	end

end

pos_functions["Đông từ"] = function(args, data)

	local par1 = args[1]; if par1 == "" then par1 = nil end
	local par2 = args[2]; if par2 == "" then par2 = nil end
	local par3 = args[3]; if par3 == "" then par3 = nil end
	local abstract_forms = {label = "abstract noun", accel = {pos = "noun", form = "abstract-noun"}}

	if par1 ~= "-" then
		if not par1 then
			table.insert(abstract_forms, "การ" .. PAGENAME)
		else
			if par1 == "~" then
				table.insert(abstract_forms, "การ" .. PAGENAME)
				table.insert(abstract_forms, "ความ" .. PAGENAME)
			else
				table.insert(abstract_forms, par1)
				table.insert(abstract_forms, par2)
				table.insert(abstract_forms, par3)
			end
		end
		table.insert(data.inflections, abstract_forms)
	end

end

pos_functions["Tính từ"] = function(args, data)

	local par1 = args[1]; if par1 == "" then par1 = nil end
	local par2 = args[2]; if par2 == "" then par2 = nil end
	local par3 = args[3]; if par3 == "" then par3 = nil end
	local abstract_forms = {label = "abstract noun", accel = {pos = "noun", form = "abstract-noun"}}

	if par1 ~= "-" then
		if not par1 then
			table.insert(abstract_forms, "ความ" .. PAGENAME)
		else
			table.insert(abstract_forms, par1)
			table.insert(abstract_forms, par2)
			table.insert(abstract_forms, par3)
		end
		table.insert(data.inflections, abstract_forms)
	end

end

-- same logic
pos_functions["Phó từ"] = pos_functions["Tính từ"]
-- same logic
pos_functions["Danh từ riêng"] = pos_functions["Danh từ"]

return export