Mob Farm Enchanting

x = peripheral.wrap("right")
shell.run("clear")
print("Mob Farm Online.")
print("Computer Label: " .. os.getComputerLabel())
x.setAutoCollect(true)

while true do
turtle.attack()
sleep(.2)
for i = 1,4 do
turtle.select(i)
turtle.drop()
end
turtle.select(1)
shell.run("clear")
print("Mob Farm Online.")
print("Computer Label: " .. os.getComputerLabel())
print("XP Level: " .. x.getLevels())
turtle.select(1)
if turtle.getItemCount(13) >=1 and turtle.getItemCount(16) == 0 and x.getLevels() >=30 then
 turtle.select(13)
 if turtle.getItemCount(13) <=1 then
 turtle.suckDown()
 turtle.select(14)
 turtle.dropDown()
 end
 turtle.select(13)
 if turtle.getItemCount(13) == 0 then
  os.reboot()
  end
 turtle.transferTo(15, 1)
 turtle.select(15)
 x.enchant(30)
 turtle.transferTo(16,1)
 turtle.select(16)
 turtle.turnRight()
 turtle.drop()
 turtle.turnLeft()
 turtle.select(1)
 end
end