require './level'
require './frame'

class Level
  interfaces %w(1 2 3)
  description <<~EOD
    You are now a three-port hub. Your job is to forward frames from one interface to all the others.
  EOD
  clicks 5

  def self.target(frame)
    case frame.iface
    when ?1
      [frame.to(?2), frame.to(?3)]
    when ?2
      [frame.to(?1), frame.to(?3)]
    when ?3
      [frame.to(?1), frame.to(?2)]
    else
      puts "ERR"
      []
    end
  end

  def self.generate
    frames = {}
    @@interfaces.each do |iface|
      next if rand < 0.3
      frames[@@count.to_s] = Frame.new(iface, "Frame #{@@count}")
      @@count += 1
    end
    frames
  end
end