module Eco
  class CLI
    class Scripting
      class Argument

        attr_reader :key

        def initialize(key, with_param: false)
          @key        = key
          @with_param = !!with_param
        end

        def args_slice(*args)
          #pp "known arg '#{key}' => included? #{args.include?(key)}"
          return args unless args.include?(key)
          i = args.index(key)
          j = with_param?? i+1 : i
          args - args.slice(i..j)
        end

        def with_param!
          @with_param = true
        end

        def with_param?
          @with_param
        end
      end
    end
  end
end