Module:TierColour

Documentation for this module may be created at Module:TierColour/doc

local tierColours = mw.loadData("Module:TierColour/data")

local tierColouriser = {}

function tierColouriser.getColour(frame)
	colourCount = tonumber(frame.args[1])
	thisTier = tonumber(frame.args[2])
	style = frame.args[3]
	default = {191, 191, 191}
	targetColour = default
	if colourCount ~= nil then
		colourSet = tierColours[colourCount]
		if colourSet ~= nil and thisTier ~= nil then
			foundColour = colourSet[thisTier]
			if foundColour ~= nil then
				targetColour = foundColour
			end
		end
	end
	lighten = 0
	if style == "header" then
		lighten = 0.75
	elseif style == "cell" then
		lighten = 0.5
	end
	returnColour = default -- targetColour inherits the readonly-ness of the import
	returnColour[1] = math.floor(targetColour[1] * (1 - lighten) + 255 * lighten)
	returnColour[2] = math.floor(targetColour[2] * (1 - lighten) + 255 * lighten)
	returnColour[3] = math.floor(targetColour[3] * (1 - lighten) + 255 * lighten)
	return string.format("%02x",returnColour[1])..string.format("%02x",returnColour[2])..string.format("%02x",returnColour[3])
end

return tierColouriser