class AstProcessor

def increment(stats, component, arg_name, value)
  stats[component][:arguments][arg_name][value] = 0 unless stats[component][:arguments][arg_name][value]
  stats[component][:arguments][arg_name][value] += 1
end

def process_ast(ast, stats)
  traverser = AstTraverser.new
  traverser.walk(ast)
  return if traverser.stats.empty?
  traverser.stats.each do |component, component_info|
    stats[component] ||= {
      paths: [],
    }
    stats[component][:paths] << component_info[:path]
    stats[component][:paths].uniq!
    stats[component][:arguments] ||= {}
    component_info[:arguments]&.each do |arg, value|
      arg_name = arg.to_s
      stats[component][:arguments][arg_name] ||= {}
      # we want to count each class separately
      if arg_name == "classes"
        value.split.each do |val|
          increment(stats, component, arg_name, val)
        end
      else
        increment(stats, component, arg_name, value)
      end
    end
  end
end