enchanter

local xp = peripheral.wrap("right")
local eLevel = 30
local oldLevel = -1
local isOff = false

print(string.format("Turtle %s reporting for duty!",os.getComputerLabel()))

while(true) do
  if (not redstone.getInput("back")) then
    if (not isOff) then
      print("No signal. XP module off")
      xp.setAutoCollect(false)
      isOff = true
    end
  else
  isOff = false
  xp.setAutoCollect(true)
  local myLevel = xp.getLevels()
  if (myLevel ~= oldLevel) then
    oldLevel = myLevel
    print(string.format("Level %d", myLevel))
  end
  if (myLevel>=eLevel) then
    print("Enchanting Time!")
    local books = turtle.getItemCount(16)
    if (books<5) then
      for i=14,1,-1 do
      turtle.select(i)
      if turtle.compareTo(16) then
       turtle.transferTo(16,64-books)
      end
      if turtle.getItemCount(16)==64 then
        break
      end
      end
      end
    if turtle.getItemCount(16)==0 then
      print "Out of Books!"
      return
    end
    if turtle.getItemCount(15)>0 then
      print "Dumping items from slot 15"
      turtle.select(15)
      turtle.dropUp()
    end
    turtle.select(16)
    turtle.transferTo(15,1)
    turtle.select(15)
    xp.enchant(eLevel)
    turtle.dropUp()
  end
  end
  sleep(1)
end