Module:qya-conj

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---

local export = {}

local PAGENAME = mw.title.getCurrentTitle().text
local tengwar = require("Module:tengwar")

function export.conjugate(frame)
	-- get arguments
	local args = frame:getParent().args
	local stem = frame.args[1]..'␃' or PAGENAME..'␃'
	
	stem = mw.ustring.gsub (stem, '[\-]?␃', '')
	
	local aor = export.aorist(stem)
	local pres = export.present(stem)
	local past = export.past(frame.args[2])
	local perf = export.past(frame.args[3])
	local fut = export.future(stem)
	
	return '<table border="1px solid #aaaaaa" style="border-collapse:collapse; background:#F9F9F9; text-align:center; width:100%" class="inflection-table">'
		.. '<tr style="background:#DFDFDF"><th></th><th>Singular</th><th>Plural</th></tr>'
		.. '<tr><th style="background:#DFDFDF">Aorist</th><td>'..export.show(aor[1])..'</td><td>'..export.show(aor[2])..'</td></tr>'
		.. '<tr><th style="background:#DFDFDF">Present</th><td>'..export.show(pres[1])..'</td><td>'..export.show(pres[2])..'</td></tr>'
		.. '<tr><th style="background:#DFDFDF">Past</th><td>'..export.show(past[1])..'</td><td>'..export.show(past[2])..'</td></tr>'
		.. '<tr><th style="background:#DFDFDF">Perfect</th><td>'..export.show(perf[1])..'</td><td>'..export.show(perf[2])..'</td></tr>'
		.. '<tr><th style="background:#DFDFDF">Future</th><td>'..export.show(fut[1])..'</td><td>'..export.show(fut[2])..'</td></tr>'
		..'</table>'
end

function export.show(text)
	return '<span style=\"font-family: \'Tengwar Annatar\', \'Tengwar Eldamar\', \'Tengwar Noldor\', \'Tengwar Parmaite\', \'Tengwar Formal\', \'Tengwar Elfica\', \'Tengwar Sindarin\', \'Tengwar Quenya\', \'Tengwar Gothika\';">'..tengwar.convert('qya', 'annatar', text)..'</span><br>'..text
end

function export.aorist(stem)
	stem = stem..'␃'
	stem = mw.ustring.gsub (stem, '([^au])␃', '%1ë␃')
	stem = mw.ustring.gsub (stem, 'u␃', 'ë␃')
	stem2 = mw.ustring.gsub (stem, '[^a]␃', 'i␃')
	stem = mw.ustring.gsub (stem, '␃', '')
	stem2 = mw.ustring.gsub (stem2, '␃', '')
	return {stem, stem2..'r'}
end

function export.present(stem)
	stem = stem..'␃'
	local vow1 = {'a', 'e', 'i', 'o', 'u'}
	local vow2 = {'á', 'é', 'í', 'ó', 'ú'}
	for i=1, #vow1 do
		stem = mw.ustring.gsub (stem, '([^aeiouäëö])'..vow1[i]..'([^aeiouäëö][au]?␃)', '%1'..vow2[i]..'%2')
	end
	stem = mw.ustring.gsub (stem, 'a␃', 'ë␃')
	stem = mw.ustring.gsub (stem, '␃', '')
	return {stem..'a', stem..'ar'}
end

function export.past(stem)
	plur = mw.ustring.gsub (stem..'␃', 'ë( *[,␃])', 'e%1')
	plur = mw.ustring.gsub (plur, '( *[,␃])', 'r%1')
	plur = mw.ustring.gsub (plur, '␃', '')
	return {stem, plur}
end

function export.future(stem)
	stem = stem..'u␃'
	stem = mw.ustring.gsub (stem, 'uu␃', 'ú␃')
	stem = mw.ustring.gsub (stem, 'au␃', 'u␃')
	stem = mw.ustring.gsub (stem, '␃', '')
	return {stem..'va', stem..'var'}
end

return export