local p = {}



local insert = table.insert



function p.url(frame)

    local pframe = frame:getParent()

    local config = frame.args -- the arguments passed BY the template, in the wikitext of the template itself

    local args = pframe.args -- the arguments passed TO the template, in the wikitext that transcludes the template

    

    local type = args1

    local route = tonumber(args2])

    local suffix = args3 or ''

    

    local url = {"https://www.dot.state.tx.us/tpp/hwy/", type}

    if type == "FM" then

        if route < 500 then

            insert(url, '')

        elseif route < 1000 then

            insert(url, "0500")

        elseif route < 1500 then

            insert(url, "1000")

        elseif route < 2000 then

            insert(url, "1500")

        elseif route < 2500 then

            insert(url, "2000")

        elseif route < 3000 then

            insert(url, "2500")

        elseif route < 3500 then

            insert(url, "3000")

        elseif route >= 3500 then

            insert(url, "3500")

        end

    end

    insert(url, "/")

    insert(url, type)

    insert(url, string.format("%04d", route))

    insert(url, suffix)

    insert(url, ".htm")

    return table.concat(url)

end



return p