--!strict
local Sizing = require(script.Parent.Sizing)
local Types = require(script.Parent.Types)

local Bindings = {}

function Bindings.ApplyAlpha(Helper: Types.Helper)
	local Alpha = Helper.Label.TextTransparency
	for _, Part in Helper.TextParts do
		Part.TextTransparency = Alpha
	end
	for _, Part in Helper.ImageParts do
		Part.ImageTransparency = Alpha
	end
end

function Bindings.ApplyScaledSize(Helper: Types.Helper)
	if not Helper.Scaled then
		return
	end
	local Box = Helper.Label.AbsoluteSize
	if Box.Y <= 0 then
		return
	end

	local Version = Helper.Version
	local Size = Sizing.Resolve(Helper.BareText, Helper.Label.FontFace, Box)
	if Helper.Version ~= Version then
		return
	end

	for _, Part in Helper.TextParts do
		Part.TextSize = Size
	end
end

function Bindings.Connect(Helper: Types.Helper, Version: number)
	Helper:ApplyAlpha()
	Helper.AlphaConnection = Helper.Label:GetPropertyChangedSignal("TextTransparency"):Connect(function()
		Helper:ApplyAlpha()
	end)

	if not Helper.Scaled then
		return
	end

	Helper.Connection = Helper.Label:GetPropertyChangedSignal("AbsoluteSize"):Connect(function()
		Helper:ApplyScaledSize()
	end)

	if Helper.Label.AbsoluteSize.Y <= 0 then
		task.defer(function()
			if Helper.Version == Version then
				Helper:ApplyScaledSize()
			end
		end)
	end
end

function Bindings.Disconnect(Helper: Types.Helper)
	local Connection = Helper.Connection
	if Connection then
		Connection:Disconnect()
		Helper.Connection = nil
	end

	local AlphaConnection = Helper.AlphaConnection
	if AlphaConnection then
		AlphaConnection:Disconnect()
		Helper.AlphaConnection = nil
	end
end

return Bindings