local modtime = require('Module:Time').time



local data = mw.loadJsonData("Wikipedia:New pages patrol/Backlog chart/daily")



local backlog = { }

for k,v in ipairs(data) do

	backlogv"date"]] = v"value"

end



local function parseDate(date)

	local ymd = {}

	for i in string.gmatch(date, "[0-9]+") do

		table.insert(ymd, i)

	end

	ymd = { year = ymd1], month = ymd2], day = ymd3 }

	return os.time(ymd)

end



local p = {};



function p._articles(date)

	return backlogdate or 0

end



function p.articles(frame)

	local templateArgs = frame.args

	local date = templateArgs1 or os.date("%Y-%m-%d")

	return p._articles(date)

end



function p._diff(n1, date, delta)

	local n2 = p._articles(date)

	

	if n2 > 0 then

		return n1 - n2

	else

		local date2 = date

		local days = 0

		while n2 == 0 do

			date2 = os.date("%Y-%m-%d", parseDate(date2) - (60*60*24))

			n2 = p._articles(date2)

			days = days + 1

		end

		return math.floor( ((n1 - n2) / (days + delta)) * delta )

	end

end



function p.diff(frame)

	local templateArgs = frame.args

	local n1 = templateArgs1

	local date = templateArgs2 or os.date("%Y-%m-%d")

	local delta = templateArgs3 or 1

	return p._diff(n1, date, delta)

end



return p