Module:Tabs

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

local p = {}
local html = mw.html
local title = mw.title.getCurrentTitle()
local text = mw.text

function p.main(frame)
    local args = frame:getParent().args
    
    -- 1. Collect Tab Names
    local tabNames = {}
    local i = 1
    while args[i] do
        local t = text.trim(args[i])
        if t ~= "" then table.insert(tabNames, t) end
        i = i + 1
    end
    
    -- 2. INTELLIGENT ROOT DETECTION
    local basePage = args.base
    if not basePage then
        basePage = title.prefixedText 
        
        local parts = text.split(title.prefixedText, '/')
        local foundRoot = false -- Flag to track if we found the root
        
        for idx, part in ipairs(parts) do
            local cleanPart = part:gsub('_', ' ')
            
            for _, tab in ipairs(tabNames) do
                -- If we find a matching tab name in the URL (e.g. "The Grind")
                -- and it's not "Overview"
                if cleanPart == tab and tab:lower() ~= 'overview' then
                    -- The Root is the path up to this point
                    basePage = table.concat(parts, '/', 1, idx - 1)
                    foundRoot = true
                    break -- Break inner loop
                end
            end
            
            if foundRoot then
                break -- Break outer loop
            end
        end
    end

    -- 3. Build HTML
    local isSub = (args.type == 'sub')
    local containerClass = isSub and 'pastel-bar' or 'chrome-tabs-container'
    local tabClass = isSub and 'pastel-pill' or 'chrome-tab'
    
    local root = html.create('div'):addClass(containerClass)
    
    for _, name in ipairs(tabNames) do
        local target = ""
        local cleanName = name:gsub(' ', '_')
        
        if name:lower() == 'overview' then
            target = basePage
        else
            target = basePage .. '/' .. cleanName
        end
        
        -- 4. ACTIVE STATE LOGIC
        local isActive = false
        
        if title.prefixedText == target then
            -- Exact match? Always active.
            isActive = true
        elseif title.prefixedText:find(target .. '/', 1, true) == 1 then
            -- Are we on a sub-sub-page? (e.g. .../The_Grind/Group_A)
            -- YES, highlight this tab... UNLESS it is Overview.
            if name:lower() ~= 'overview' then
                isActive = true
            end
        end
        
        local tabDiv = root:tag('div'):addClass(tabClass)
        if isActive then tabDiv:addClass('active') end
        
        tabDiv:wikitext('[[' .. target .. '|' .. name .. ']]')
    end
    
    return tostring(root)
end

return p