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

--Subiloble Google Code-in 2017, Introduction to Lua in Wikipedia.
--[Lua task #03] Create your own Lua module on English Wikipedia
local p = {} -- p stands for package

function p.hello( frame )
    return "Hello, world!"
end

p.Hi = function(frame)
    strName = frame.args.name or "Jimbo"
	return "Hello from Lua to my friend " .. strName .. ".<br>"
end

function p.temperature(frame)
    cel = frame.args.celsius or 0
    value = tonumber(cel) or 0
    fah = value * 9 / 5 + 32
    msg = value .. " degrees Celsius is " .. fah .. " degrees Fahrenheit.<br>"
    if (value > 9) then msg = msg .. "It is warm.<br>" else msg = msg .. "It is cold.<br>" end
    return msg
end

p.times = function(frame)
	local num = tonumber( frame.args.num ) or 2
	local out = num .. " times table<br>"
	for i = 1, 12 do
		out = out .. num .. " times " .. i .. " equals " .. num * i .. "<br>"
	end
	return out
end

p.mum = function(frame)
	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Zoe", "Jhin", "Kelly"}
	local msg = "Hello "
	for i = 1,#family do
	msg = msg .. family[i] .. " " end
    msg = msg .. "<br>"
	return msg
end

p.langnames = function( frame )
	local langs = mw.language.fetchLanguageNames()
	local langlist = ""
	local count = 0
	for key, value in pairs( langs ) do
		langlist = langlist .. key .. " - " .. value .. "<br>"
		count = count + 1
	end
	return langlist .. "<br>= " .. count .. " languages"
end

p.pageinfo = function( frame )
	local ttl = frame.args.title
	local ttlobj = mw.title.new( ttl )
	local txt = ttlobj.prefixedText
    if ttlobj.exists then txt = txt .. " exists and " else txt = txt .. " does not exist and " end
    if ttlobj.isRedirect then txt = txt .. "is a redirect.<br>" else txt = txt .. "is not a redirect.<br>" end
	return txt
end

return p