Module:WorldSwitch

{{#invoke:WorldSwitch|subworld|Survial 4|Husky}} generates: husky

{{#invoke:WorldSwitch|world|Survial 4|Husky}} generates: survival 4

---

local p = {} --p stands for package
local worldTools = require('Module:World')


-- get the parent world for a specific subworld
-- @return the world or an empty string when it doesn't find anything
function p.parentWorld(frame)
	input = mw.ustring.lower(frame.args[1] .. frame.args[2])
	return worldTools.getParentWorld(input)
end
	
	
-- get the subworld 
-- usually would expect a world + subworld combo as the first two #invoke args, but works with any setup as long as either the first or the second arg has a string
-- @return the subworld or an empty string when it doesn't find anything
function p.subworld(frame)
	input = mw.ustring.lower(frame.args[1] .. frame.args[2])
	return worldTools.extractSubworld(input)
end


-- get the world 
-- usually would expect a world + subworld combo as the first two #invoke args, but works with any setup as long as either the first or the second arg has a string
-- @return the world or an empty string when it doesn't find anything
function p.world(frame)
	input = mw.ustring.lower(frame.args[1] .. frame.args[2])
	return worldTools.extractWorld(input)
end


-- get all world-related categories
-- usually meant for pages with multiple worlds, like groups or projects
-- @return a custom string or an empty string when it doesn't find anything
function p.multicat(frame)
	input = mw.ustring.lower(frame.args[1] .. frame.args[2])
	worlds = worldTools.extractAllWorlds(input)
	
	cats = ""
	for i, world in pairs(worlds) do
		if (frame.args["test"] == nil)
			then cats = cats .. " [[Category:" ..  mw.getContentLanguage():ucfirst( world ) .. "]]"
			else cats = cats .. " [[:Category:" ..  mw.getContentLanguage():ucfirst( world ) .. "]]"
		end
	end
	
	return cats
end

return p