模組:NUMBEROF

--中文區本地化部分

local action_list={
	articles="articles", pages="pages", edits="edits", users="users", activeusers="activeusers", admins="admins", files="files", depth="depth",
	["深度"]="depth",["品質"]="depth",["質量"]="depth",["品质"]="depth",["质量"]="depth",
	["條目"]="articles",["条目"]="articles",
	["頁面"]="pages",["页面"]="pages",
	["編輯"]="edits",["编辑"]="edits",
	["用戶"]="users",["使用者"]="users",
	["活躍用戶"]="activeusers",["活躍使用者"]="activeusers",["活跃用户"]="activeusers",["活跃使用者"]="activeusers",
	["管理員"]="admins",["管理员"]="admins",
	["檔案"]="files",["文件"]="files",["媒體"]="files",["档案"]="files",["媒体"]="files",
}

-- Implement {{NUMBEROF}} by extracting statistics from
-- https://commons.wikimedia.org/wiki/Data:Wikipedia_statistics/data.tab
local function trimArg(arg, i)
	arg = mw.text.trim(arg or '')
	if arg == '' then
		if i then
			error('Parameter ' .. i .. ' is missing. See [[Template:NUMBEROF]] documentation')
		end
		return nil
	end
	return mw.ustring.lower(arg)
end

local function getValue(stats, action, map)
	if action == 'depth' then
		-- https://meta.wikimedia.org/wiki/Wikipedia_article_depth
		-- This gives silly results if, for example, the number of articles is small.
		local n = { 'articles', 'edits', 'pages' }
		if map then
			for i, v in ipairs(n) do
				n[i] = map[v]
			end
		end
		for i, v in ipairs(n) do
			n[i] = stats[v] or 0
		end
		local articles, edits, pages = n[1], n[2], n[3]
		if pages == 0 or articles == 0 then
			return 0
		end
		return math.floor((edits/pages) * ((pages - articles)/articles)^2)
	end
	if map then
		action = map[action]
	end
	return stats[action]
end

local function getIfLocal(site, action)
	-- If wanted site is the local site where module is running,
	-- return numberof result for given action, or nil.
	-- This is faster than reading the cached table, and gives the current value.
	local localSite = string.match(mw.site.server, '.*//(.*)%.org$')  -- examples: 'af.wikipedia', 'commons.wikimedia'
	if site == localSite then
		if action == 'activeusers' then
			action = 'activeUsers'
		end
		return getValue(mw.site.stats, action)
	end
end

local function main(frame, in_site, in_wantComma)
	--中文區本地化部分
		local args = nil
		if in_site or in_wantComma then args = {frame, in_site, in_wantComma}
		else args = frame:getParent().args	end
	--中文區本地化部分
	
	local action = trimArg(args[1], 1)  -- activeusers, admins, articles, edits, files, pages, users, depth
	if action:sub(1, 8) == 'numberof' then  -- numberofX is an alias for X
		action = trimArg(action:sub(9), 1)
	end
	
	--中文區本地化部分
		local end_w = mw.ustring.sub(action, -1, -1)--中文字串處理
		if end_w == '量' then  -- "數量"
			local end_s_w = mw.ustring.sub(action, -2, -2)
			if end_s_w == '數' or end_s_w == '数' then
				action = trimArg(mw.ustring.sub(action, 1, -3), 1)
			else
				action = trimArg(mw.ustring.sub(action, 1, -2), 1)
			end
		elseif end_w == '數' or end_w == '数' then  -- "XX數"
			action = trimArg(mw.ustring.sub(action, 1, -2), 1)
		end
		action = action_list[action]
	--中文區本地化部分
	
	local site = trimArg(args[2], 2)  -- "af" or "af.wikipedia" or "af.wikiquote" etc., including "total"
	if not site:find('.', 1, true) then
		site = site .. '.wikipedia'
	end
	local wantComma = trimArg(args[3])  -- nil for no commas in output; "N" or anything nonblank inserts commas
	local result = getIfLocal(site, action)
	if not result then
		local data = mw.loadData('Module:NUMBEROF/data')
		local map = data.map
		data = data.data
		result = data[site]
		if result then
			result = getValue(result, action, map)
		end
	end
	if result then
		if wantComma then
			result = mw.getContentLanguage():formatNum(result)
		end
		return result  -- number or formatted string
	end
	return -1
end

return { main = main }