Module:Lua

Implements {{Lua}}.

---

local mList = require('Module:List')
local mTableTools = require('Module:TableTools')
local mMessageBox = require('Module:Message box')
local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')
local p = {}

function p.main(frame)
    local args = getArgs(frame, {
        wrappers = 'Template:Lua'
    })
    return p._main(args)
end

function p._main(args)
    local modules = mTableTools.compressSparseArray(args)
    local box = p.renderBox(modules)
    local trackingCategories = p.renderTrackingCategories(args, modules)
    return box .. trackingCategories
end

function p.renderBox(modules)
    local boxArgs = {}
    if #modules < 1 then
        boxArgs.text = '<strong class="error">Error: no modules specified</strong>'
    else
        local moduleLinks = {}
        for i, module in ipairs(modules) do
            moduleLinks[i] = string.format('[[:%s]]', module)
            local maybeSandbox = mw.title.new(module .. '/sandbox')
            if maybeSandbox.exists then
                moduleLinks[i] = moduleLinks[i] .. string.format(' ([[:%s|sandbox]])', maybeSandbox.fullText)
            end
        end
        local moduleList = mList.makeList('bulleted', moduleLinks)
        local title = mw.title.getCurrentTitle()
        if title.subpageText == "doc" then
            title = title.basePageTitle
        end
        if title.contentModel == "Scribunto" then
            boxArgs.text = 'This module depends on the following other modules:\n' .. moduleList
        else
            boxArgs.text = 'This template uses the following modules:\n' .. moduleList
        end
    end
    boxArgs.type = 'notice'
    boxArgs.small = true
    boxArgs.image = '[[File:Lua programming language logo.svg|30px|alt=Lua logo|link=]]'
    return mMessageBox.main('mbox', boxArgs)
end

function p.renderTrackingCategories(args, modules, title)
    if yesno(args.nocat) then
        return ''
    end
    local cats = {}
    local subpageBlacklist = {
        doc = true,
        sandbox = true,
        sandbox2 = true,
        testcases = true
    }
    title = title or mw.title.getCurrentTitle()
    if not subpageBlacklist[title.subpageText] then
        local protCatName
        if title.namespace == 10 then
            local category = args.category or 'Lua-based templates'
            cats[#cats + 1] = category
            protCatName = 'Templates using under-protected modules'
        elseif title.namespace == 828 then
            protCatName = 'Modules depending on under-protected modules'
        end
        if not args.noprotcat and protCatName then
            local protLevels = {
                autoconfirmed = 1,
                extendedconfirmed = 2,
                templateeditor = 3,
                sysop = 4
            }
            local currentProt
            if title.id ~= 0 then
                -- id is 0 (page does not exist) if am previewing before creating a template.
                currentProt = title.protectionLevels["edit"][1]
            end
            if currentProt == nil then
                currentProt = 0
            else
                currentProt = protLevels[currentProt]
            end
            for i, module in ipairs(modules) do
                local moduleProt = mw.title.new(module).protectionLevels["edit"][1]
                if moduleProt == nil then
                    moduleProt = 0
                else
                    moduleProt = protLevels[moduleProt]
                end
                if moduleProt < currentProt then
                    cats[#cats + 1] = protCatName
                    break
                end
            end
        end
    end
    for i, cat in ipairs(cats) do
        cats[i] = string.format('[[Category:%s]]', cat)
    end
    return table.concat(cats)
end

return p