Module:Sandbox/Safan41

-- Safan41 Google Code-in, Introduction to Lua in Wikipedia
-- Safan41 Google Code-in, Working with modules
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 = tonumber(frame.args.celsius) or 0
fah = cel * 9 / 5 + 32
msg = cel .. " degrees Celsius is " .. fah .. " degrees Fahrenheit. "
if cel > 9 then msg = msg .. "It is warm." else msg = msg .. "It is cold." end
return msg
end

-- Task 4

p.times = function(frame)

	local num = tonumber( frame.args.num ) or 2

	local out = "Times table<br>"

	for i = 1, 12 do

		out = out .. num .. " times " .. i .. " equals " .. i * num .. "<br>"

	end

	return num .. " " .. out

end

p.mum = function(frame)

	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "John", "Mary", "Kaneki"}

	local msg = "Hello "
for x = 1, #family do

	msg = msg .. family[x] .. "<br>"
end

	return msg

end

-- Task 5

p.sentence = function(frame)

	local str = frame.args.words or ""

        local out = string.upper(string.sub(str, 1, 2)) .. string.sub(str, 3)

	return out

end

p.unpackdate = function(frame)

	local dmydate = frame.args.dmydate or ""

	local day, month, year = string.match(dmydate, "(%d+) (%w+) (%d+)")

	return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month

end

p.test = function(frame)

	local dmydate = frame.args.dmydate or ""

	local month, day, year = string.match(dmydate, "(%w+) (%d+), (%d+)")

	return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month

end

p.langnames = function(frame)

	local langlist = mw.language.fetchLanguageNames()

	local langs = ""

	local count = 0

	for k, v in pairs(langlist) do

		langs = langs .. k .. " - " .. v .. "<br>"

		count = count + 1

	end

	return langs .. "<br>= " .. count .. " languages"

end

p.fallbacks = function(frame)

	local langfallback = mw.language.getFallbacksFor(frame.args.langcode)
local string = frame.args.langcode .. " -"
for k, fallback in pairs(langfallback) do

		string = string .. " " .. fallback

	end

	return string

end

p.pagename = function( frame )

	local ttl = frame.args.title

	local ttlobj = mw.title.new( ttl )

	local txt = ttlobj.text

	return txt

end


function p.pageinfo(frame)
	local page = mw.title.new(frame.args.title or "")
	
	function test()
		if page.exists then exist = "exists" else exist = "does not exist" end
		if page.isRedirect then redirect = "" else redirect = "not" end
	end
	
	if not pcall(test) then return "" else test() end
	local string =  page.text .. string.format(" %s and is %s a redirect", exist, redirect)
	return string
end

return p