require './01-hub2.rb'

$level = L1_Hub2

puts $level.description

def help
  puts <<~EOF
    Commands:
      f {frame} {iface}: forward a frame to iface
      h: this help
      c: click on
      d: show the level description
      i: show the interfaces
      a: show the click frames and actions
      q: quit
  EOF
end

$instructions = []

def forward(frame, iface)
  $instructions << [frame, $clickframes[frame].to(iface)]
end

def clickactions
  puts "Frames:"
  $clickframes.each do |i, frame|
    puts "  #{i}: Interface #{frame.iface} -> #{frame.description}"
  end

  l = 1
  puts "Actions:"
  $instructions.each do |instr|
    puts "  #{l}: Forward frame #{instr[0]} to interface #{instr[1].iface}"
  end
end

def click
end

def handle(cmd)
  case cmd[0]
  when ?h
    help
  when ?f
    forward(*cmd.split[1..])
  when ?d
    puts $level.description
  when ?i
    puts $level.interfaces
  when ?a
    clickactions
  when ?c
    click
  when :q
    exit 0
  end
end

$clickframes = $level.generate
pp $clickframes

loop do
  print ">: "
  handle(gets.strip)
end