size_x = 9
size_y = 9
x = 0
y = 0
a = 0
timer = 0
function move()
  turtle.forward()
  turtle.digDown()
  turtle.placeDown()
end
function move2()
  turtle.forward()
end
function farm()
  while y ~= size_y do
    for o = 1, size_x do
      move()
    end
    a = a+1
    if a % 2 == 0 then
      turtle.turnLeft()
      move()
      turtle.turnLeft()
    else
      turtle.turnRight()
      move()
      turtle.turnRight()
    end
    y = y + 1
  end
  if y == size_y then
    turtle.turnRight()
    turtle.turnRight()
    for u = 1, 9 do
      turtle.forward()
    end
    turtle.turnRight()
    for t = 1, 9 do
      turtle.forward()
    end
    y = 0
    timer = 800
  end
end
function graph()
  term.clear()
  term.setCursorPos(1, 1)
  print("Il y a : " + turtle.getFuelLevel() + " fuel")
  print("Temps avant récolte : " + timer + " secondes")
  os.sleep(1)
  timer = timer - 1
end

function refuel()
  while turtle.getFuelLevel() < 80 do
    print("REFUEL !!!! SLOT 2 MINIMUM 5 CHARBONS")
    turtle.select(2)
    turtle.refuel(5)
  end
end
while true do
  refuel()
    graph()
  if timer == 0 then
    farm()
  end


end