Module:Test

Documentation for this module may be created at Module:Test/doc

require('strict')

local getArgs = require('Module:Arguments').getArgs
local list = require('Module:List')
local p = {}

local knownargs = {
	['format'] = true,
	['class'] = true,
	['style'] = true,
	['list_style'] = true,
	['item_style'] = true,
	['item1_style'] = true,
	['indent'] = true
}

local labels = {
	['NA'] = "[[:Category:North America (Release region)|NA]]",
	['EU'] = "[[:Category:Europe (Release region)|EU]]",
	['AU'] = "[[:Category:Australia (Release region)|AU]]",
	['PAL'] = "[[:Category:Europe (Release region)|PAL]]",
	['JP'] = "[[:Category:Japan (Release region)|JP]]",
	['WW'] = "<abbr title=\"Worldwide\">WW</abbr>"
}

local function getLocalLabel(alias)
	local label = labels[string.upper(alias)]

	return label
end

local function splitLabel(s)
	local islist = true
	local res = {}
	for k,v in ipairs(mw.text.split(s or '', '%s*/%s*')) do
		local v1 = v:match('^%s*([A-Z][A-Z][A-Z]?)%s*$')
		if v1 then
			table.insert(res,v1)
		else
			local v2 = v:match('^%s*(%[%[[^%[%]|]*|[A-Z][A-Z][A-Z]?%]%])%s*$')
			if v2 then
				table.insert(res,v2)
			else
				islist = false
			end
		end
	end
	return islist and res or {s}
end

function p.main(frame)
    local args = getArgs(frame)
    local listformat = args['format']
    if (listformat == nil or listformat == "") then
        listformat = "unbulleted"
    end
    local items = {}

    -- Old syntax "Two parameter region" use case, where param 1 is an article, param 2 is a label, and param 3 is the date. We assume this case if argument 4 is nil.
    if (args[3] ~= nil and args[4] == nil) then
        local item = "<span style=\"font-size:97%;\">[["
        if (args[1] ~= nil) then
            item = item .. args[1]
        end
        item = item .. "|"
        if (args[2] ~= nil) then
            item = item .. args[2]
        end
        item = item .. "]]:</span> " .. args[3] .. "[[Category:Pages using vgregion with two parameter region]]"
        table.insert(items, item)
        -- Old syntax "Blank region" use case, where param 1 is empty, and param 2 is the date.
    elseif (args[1] == nil and args[2] ~= nil) then
        local item = args[2] .. "[[Category:Pages using vgregion without a region]]"
        table.insert(items, item)
        -- Legacy format use cases
    elseif (args[1] ~= nil and args[2] ~= nil) then
        local i = 1
        local j = 2
        while (args[i] and args[j]) do
            local labels = {}
            for k,v in ipairs(splitLabel(args[i])) do
                local label = getLocalLabel(v);

                -- Didn't find a local label? Check for country data.
                if (label == nil) then
                    if not v:match('^%s*%[') then
                        -- Removed line of code relating to fetching external country data
                    end

                    -- Found something? Build a sitelink with it.
                    if (label ~= nil) then
                        label = "[[" .. label .. "|" .. v .. "]]"
                    else
                        label = v
                    end
                end
                table.insert(labels, label)
            end

            -- Handle unlabelled dates
            if #labels == 0 then
                table.insert(labels, '')  -- Insert an empty label
                table.insert(labels, args[j])  -- Insert the date
            end

            local item = "<span style=\"font-size:97%;\">" .. table.concat(labels,'/') .. ":</span> " .. args[j]
            table.insert(items, item)

            i = i + 2
            j = j + 2
        end
    end

    -- Add known parameters of Module:List to the table
    for k, v in pairs(args) do
        if (knownargs[k] == true) then
            items[k] = v
        end
    end

    local out = list.makeList(listformat, items)

    -- Preview message and category
    local parameterMsg = require('Module:If preview')._warning({
        'Unknown parameter "_VALUE_".'
    }) .. "[[Category:Pages using vgregion with named parameters|_VALUE_]]"

    -- Check for invalid parameters
    for k, v in pairs(args) do
        if (type(k) ~= 'number' and knownargs[k] ~= true) then
            local msg = parameterMsg:gsub('_VALUE_', k)
            out = out .. msg
        end
    end

    return out
end

return p