os.loadAPI("modules.lua")

print("How long should I dig?")
local length = read()
print("How wide should I dig?")
local width = read()
print("How high should I dig?")
local height = read()

local front = true
for i = 1, width do
  for j = 1, height do
    for k = 1, length do
      modules.check_fuel()
      turtle.dig()
      turtle.forward()
    end
    if j ~= height do
      modules.check_fuel()
      turtle.digUp()
      turtle.up()
    end
    turtle.turnLeft()
    turtle.turnLeft()
    front = not front
  end
  for tdown = 1, height do
    modules.check_fuel()
    turtle.down()
  end
  turtle.turnLeft()
  turtle.turnLeft()
  if not front then
    for tfront = 1, length do
      modules.check_fuel()
      turtle.forward()
    end
  end
  turtle.turnRight()
  for twidth = 1, width -1 do
    turtle.forward()
  end
  turtle.turnLeft()
  modules.puke()
  turtle.turnLeft()
  for twidth = 1, width do
    turtle.forward()
  end
  turtle.turnLeft()
end