local p = {}



-- There's probably a way to use strptime or some other more sophisticated way, but you're not supposed to be using a non-timestamp as input anyway.



local function endswith(String,End)

	return End == '' or string.sub(String,-string.len(End)) == End

end



local function trim(s)

	return s:gsub("^%s+", ""):gsub("%s+$", ""):gsub("\226\128\142", "")

end



local function addUtcToStringIfItDoesNotEndWithUtc(s)

	if s == "" or endswith(s, "~~~~") then return s end

	if not endswith(s, "(UTC)") then

		return s .. " (UTC)"

	end

	return s

end



local function _main(args)

	local hopefullyTimestamp = args1 or os.date('%H:%M, %d %B %Y (%Z)')

	return addUtcToStringIfItDoesNotEndWithUtc(trim(hopefullyTimestamp))

end



function p.main(frame)

	local args

	if type(frame.args) == 'table' then

		-- We're being called via #invoke. The args are passed through to the module

		-- from the template page, so use the args that were passed into the template.

		args = frame.args

	else

		-- We're being called from another module or from the debug console, so assume

		-- the args are passed in directly.

		args = frame

	end

	return _main(args)

end



return p