Module:PadUtils

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

-- Module:PadUtils
local p = {}

-- split "A;B;C" safely (ignores empty pieces)
local function split(text, delim)
    local out = {}
    if not text or text == "" then return out end
    for part in mw.text.gsplit(text, delim, true) do
        part = mw.text.trim(part)
        if part ~= "" then table.insert(out, part) end
    end
    return out
end

-- Accept any of:
--   "Floor Name"
--   "Floor_Target|Floor Label"
--   "[[Dungeon/Floor_Target|Floor Label]]"
--   "[[Floor_Target|Floor Label]]"
local function parseItem(item)
    -- Strip [[...]] if present
    local inner = item:match("^%[%[(.*)%]%]$")
    if inner then item = inner end
    -- Split on pipe "|"
    local t, l = item:match("^(.-)|(.*)$")
    local target = mw.text.trim(t or item)
    local label  = mw.text.trim(l or item)
    return target, label
end

-- Always normalize to "base/floor" for the link target.
-- If target already starts with "base/", strip that prefix first.
local function normalizeTarget(base, target)
    target = mw.text.trim(target)
    local withSlash = base .. "/"
    if target:sub(1, #withSlash) == withSlash then
        target = target:sub(#withSlash + 1)
    end
    return base .. "/" .. target
end

function p.dungeonFloors(frame)
    local args    = frame.args
    local base    = args.base and mw.text.trim(args.base) or mw.title.getCurrentTitle().fullText
    local floors  = split(args.floors or "", ";")
    local ordered = (args.ol == "1" or args.ol == "true")
    local before  = args.before or ""
    local after   = args.after or ""

    if #floors == 0 then return "" end

    -- Build a wikitext list with internal link syntax, then parse it.
    local lines = {}
    for _, raw in ipairs(floors) do
        local target, label = parseItem(raw)
        local titleText = normalizeTarget(base, target)

        -- Build a proper Title, use its canonical text if possible
        local titleObj = mw.title.new(titleText)
        local linkTarget = titleObj and titleObj:prefixedText() or titleText

        -- Construct one bullet line of wikitext
        local bullet = ordered and "#" or "*"
        table.insert(lines,
            string.format("%s [[%s|%s%s%s]]", bullet, linkTarget, before, label, after)
        )
    end

    -- Force the parser to render the wikitext into HTML
    return frame:preprocess(table.concat(lines, "\n"))
end

return p