--!native
--!optimize 2
-- Compiled with roblox-ts v3.0.0
local TS = _G[script]
local SubString = TS.import(script, script.Parent.Parent, "Utils", "SubString")
local mapping = {
	B = "1",
	F = "1",
	P = "1",
	V = "1",
	C = "2",
	G = "2",
	J = "2",
	K = "2",
	Q = "2",
	S = "2",
	X = "2",
	Z = "2",
	D = "3",
	T = "3",
	L = "4",
	M = "5",
	N = "5",
	R = "6",
}
local vovels = string.split("AEIOUHWY", "")
local padding = "0000"
local function SoundexTransform(input)
	if #input == 0 then
		return padding
	end
	local s = string.split(string.upper(input), "")
	local firstChar = s[1]
	local soundexCode = { firstChar }
	local previousCode = ""
	-- Process remaining characters (skip vowels/h/w/y)
	for i = 1, #s - 1 do
		local char = s[i + 1]
		if table.find(vovels, char) ~= nil then
			continue
		end
		local _condition = mapping[char]
		if _condition == nil then
			_condition = ""
		end
		local code = _condition
		local _condition_1 = code
		if _condition_1 ~= "" and _condition_1 then
			_condition_1 = code ~= previousCode
		end
		if _condition_1 ~= "" and _condition_1 then
			table.insert(soundexCode, code)
			previousCode = code
		end
	end
	-- Build final code: first letter + 3 digits, padded/truncated
	local code = SubString(`{table.concat(soundexCode, "")}{padding}`, 0, 4)
	return code
end
return {
	SoundexTransform = SoundexTransform,
}