Module:sje-common

local export = {}

local langdata = {
	consonant = {
		"^(.-)([^aáeiouūyåäAÁEIOUŪYÅÄ" .. mw.ustring.char(0x0304) .. "{}-]*)$",
	},
	vowel = {
		"^(.-)(u[aoä])$",
		"^(.-)(å̄)$",
		"^(.-)(ie)$",
		"^(.-)([aáeiouūyåäAÁEIOUŪYÅÄ]?)$",
	},
	scons = {
		[1] = {
		},
		[2] = {
			{"^bm$", "m", "bbm"},
			{"^dn(j?)$", "n%1", "ddn%1"},
			{"^gŋ$", "ŋ", "ggŋ"},
			{"^dd$", "d", "dˈd"},
			{"^dj$", "j", "ddj"},
			{"^([fjlmnŋrsv])%1$", "%1", "%1ˈ%1"},
			{"^hp$", "b", "hpp"},
			{"^ht$", "d", "htt"},
			{"^ht([js])$", "t%1", "htt%1"},
			{"^hk$", "g", "hkk"},
			{"^([ns])%1j$", "%1j", "%1ˈ%1j"},
		},
		[3] = {
			{"^bˈb$", "bb"},
			{"^gˈg$", "gg"},
			{"^dˈt([js])$", "dt%1"},
			
			{"^(b)%1([n])$", "%1%2"},
			{"^(j)%1([bgkrt])$", "%1%2"},
			{"^(k)%1([st])$", "%1%2"},
			{"^(k)%1(sj)$", "%1%1"},
			{"^(l)%1([dgjv])$", "%1%2"},
			{"^(n)%1([dt])$", "%1%2"},
			{"^(p)%1([t])$", "%1%2"},
			{"^(r)%1([bdgjkt])$", "%1%2"},
			{"^(s)%1([knt])$", "%1%2"},
			{"^(v)%1([l])$", "%1%2"},
			
			{"^jbm$", "jm"},
			{"^lbm$", "lm"},
			{"^ldn$", "ln"},
		},
	},
	vowel_variants = {
		normal = {["e"] = {"e", "F"}                    },
		e      = {["e"] = {"á", "L"}, ["o"] = {"u", "R"}},
		j      = {["e"] = {"i", "R"},                   },
		je     = {["e"] = {"i", "R"}, ["o"] = {"u", "R"}},
	},
	postprocess = function(form, vowel_effect)
		-- Vowel changes before Q1/Q2
		if form.quantity < 3 then
			if form.svowel == "ua" or form.svowel == "uä" then
				form.svowel = "uo"
			elseif form.svowel == "ä" then
				form.svowel = "ie"
			end
		else
			if form.svowel == "uo" then
				form.svowel = "ua"
			elseif form.svowel == "ie" then
				form.svowel = "ä"
			end
		end
		
		-- Fronting/backing/raising
		if vowel_effect == "F" and form.svowel == "ua" then
			form.svowel = "uä"
		elseif vowel_effect == "B" and form.svowel == "uä" then
			form.svowel = "ua"
		elseif vowel_effect == "R" then
			if form.svowel == "á" then
				form.svowel = "ä"
			elseif form.svowel == "uo" or form.svowel == "ua" or form.svowel == "uä" or form.svowel == "å̄" then
				form.svowel = "ū"
			elseif form.svowel == "ie" or form.svowel == "ä" then
				form.svowel = "e"
			elseif form.svowel == "a" then
				form.svowel = "i"
			end
		end
	end,
}

export.Stem = require("Module:smi-common").make_constructor(langdata)

return export