GUIT

function clear()
  term.clear()
  term.setCursorPos(1,1)
end

function menu()
  clear()
  print("Welcome to Super's Easy To Use GUI")
  print("Just Specify The Following Options and")
  print("We will begin")
  print()
  write("How Far To Mine: ")
  dist = tonumber(read())
  write("Torches? (y/n): ")
  tor = string.lower(read())
  write("Return? (y/n): ")
  ret = string.lower(read())
  print()
  write("Change these settings? (y/n): ")
  CH = string.lower(read())

  if tor == "y" then
    tor = true
  else
    tor = false
  end

  if ret == "y" then
    ret = true
  else
    ret = false
  end

  if CH == "y" then
    menu()
  else
    prep()
  end

end

function prep()
  torAm = math.floor(tonumber(dist) / 8)
  turtle.select(16)
  while true do
    clear()
    Torc = true
    Che = true
    curTor = turtle.getItemCount(16)
    nedTor = torAm - curTor
    print("Dig a tunnel "..dist.. " deep")
    if tor and curTor < torAm then
      Torc = false
      print("Please Insert "..nedTor.." more toches")
      print("In Slot 16")
    end
    --turtle.select(15)

    if ret and  turtle.getItemCount(15) == 0 then
      print("Please Insert 1 Chest In Slot 15")

      Che = false
    end

    sleep(0.05)

    if Che and Torc then
      break
    end

  end

  mine(dist, tor, ret)

end

function checkFuel()
  fuelLevel = turtle.getFuelLevel()
  if fuelLevel < 20 then
    print("Refueling Turtle..")
    for j = 1, 14 do
      needFuel = true
      turtle.select(j)
      turtle.refuel(1)

      if turtle.getFuelLevel() > 20 then
        print("Turtle Refueled")
        needFuel = false
        break
      end
    end
    if needFuel then
      print("No fuel found please insert fuel")
      print("Press ENTER once inserted")
      read()
      checkFuel()
    end
  end
end

function mine(di, t, c)
  for i = 1, tonumber(di) do
    checkFuel()
    turtle.up()
    while turtle.detect() do
      turtle.dig()
    end
    turtle.forward()
    turtle.turnLeft()
    while turtle.detect() do
      turtle.dig()
    end
    while turtle.detectUp() do
      turtle.digUp()
    end
    turtle.up()
    while turtle.detect() do
      turtle.dig()
    end
    turtle.turnRight()
    turtle.turnRight()
    while turtle.detect() do
      turtle.dig()
    end
    turtle.down()
    while turtle.detect() do
      turtle.dig()
    end
    turtle.digDown()
    turtle.down()
    turtle.dig()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.dig()
    turtle.turnRight()

    if i % 8 == 0 and t then
      turtle.turnLeft()
      turtle.turnLeft()
      turtle.select(16)
      turtle.place()
      turtle.turnRight()
      turtle.turnRight()
    end

  end
end


menu()