-- Module:ArbComMembers
-- Dynamically counts active/inactive arbitrators by parsing the live Members page
local p = {}

-- Target page
local pageName = "Wikipedia:Arbitration Committee/Members"
-- Fetch page content
local title = mw.title.new(pageName)
if not title or not title.exists then
    error("Module:ArbComMembers: Page '" .. pageName .. "' does not exist.")
end
local content = title:getContent()

-- Parses content to count active/inactive members
local function parseCounts(text)
    local counts = { active = 0, inactive = 0 }
    local current
    for line in mw.text.gsplit(text, '\n') do
        -- Detect Active/Inactive anchors
        if line:find('vanchor|Active', 1, true) then
            current = 'active'
        elseif line:find('vanchor|Inactive', 1, true) then
            current = 'inactive'
        elseif current and mw.ustring.match(line, '^#') then
            counts[current] = counts[current] + 1
        end
    end
    return counts
end

-- Returns counts; accepts "active" or "inactive" or none
function p.getCount(frame)
    local arg = frame.args[1]
    local mode = arg and mw.text.trim(mw.ustring.lower(arg))
    local counts = parseCounts(content)
    if mode == 'active' then
        return counts.active
    elseif mode == 'inactive' then
        return counts.inactive
    else
        return string.format("%d active, %d inactive", counts.active, counts.inactive)
    end
end

-- Shortcuts
function p.activeCount()
    return parseCounts(content).active
end

function p.inactiveCount()
    return parseCounts(content).inactive
end

return p