Module:Sandbox/Galobtter/Short description from country

Documentation for this module may be created at Module:Sandbox/Galobtter/Short description from country/doc

--given a pattern input like "country%d", if there is only one of it (excluding youth teams of the same country etc), give "nationality profession", e.g "German footballer"

--data = mw.loaddata("Module:Short description from country/data")
local p = {}

function p.main (frame)
	local getArgs = require('Module:Arguments').getArgs
	local args = getArgs(frame, {'frameOnly'})
	if args.disable == 'yes' then
		return
	end
	local parentArgs = getArgs(frame, {'parentOnly'})
	local name = args[1]
	local nationatString
	for m, n in pairs (parentArgs) do
		if string.find(m, "^"..name.."$") then
			n = require('Module:Plain text').main(n) --remove links and get the text to make it easier to process
			n = string.gsub(n, " U[-]?%d+?", "") --strip U23/U17 etc
			--if previous nationstring, check if new nationstring
			--for detecting cases where the person plays
			--for different countries, and thus cannot determine nationality
			if nationString and (n ~= nationString) then
				return
			else
				nationString = n
			end
		end
	end
	if nationString then return nationString.." "..args[2] end --should return data[nationString], to get denonym and to check if real nation/valid input
end
return p