Module:VisitedMap Voyage Tips and guide

local p = {}

function p.render(frame)
    local qids_str = frame.args[1] or ""
    local map_params = {
        latitude = "15",
        longitude = "13.5",
        zoom = "2",
        width = "100%", 
        height = "500",
        align = "center"
    }

    if qids_str == "" or qids_str == nil then
        return frame:extensionTag('mapframe', '', map_params)
    end

    local qids = {}
    for qid in string.gmatch(qids_str, '([^,]+)') do
        table.insert(qids, mw.text.trim(qid))
    end

    local shapes = {}
    local chunk_size = 20
    
    for i = 1, #qids, chunk_size do
        local chunk = {}
        for j = i, math.min(i + chunk_size - 1, #qids) do
            table.insert(chunk, qids[j])
        end
        
        table.insert(shapes, {
            type = "ExternalData",
            service = "geoshape",
            ids = table.concat(chunk, ","),
            properties = {
                fill = "#3366cc",
                ["fill-opacity"] = 0.5,
                stroke = "#ffffff",
                ["stroke-width"] = 1,
            }
        })
    end

    return frame:extensionTag('mapframe', mw.text.jsonEncode(shapes), map_params)
end

return p