miner_final

robot = require("robot")
side = 0
side1 = 0

function column(_height)
  for i = 0, _height-2 do
    if side1 == 0 then
      robot.swingUp()
      robot.up()
    else
      robot.swingDown()
      robot.down()
    end
  end

  if side1 == 0 then
    side1 = 1
  else
    side1 = 0
  end
end

function slice(_wight, _height)
  if side == 0 then
    robot.turnLeft()
  else
    robot.turnRight()
  end
  for i = 0, _wight-2 do
    column(_height)
    robot.swing()
    robot.forward()
  end
  column(_height)
  if side == 0 then
    robot.turnRight()
    side = 1
  else
    robot.turnLeft()
    side = 0
  end
end

function torch()
  robot.turnAround()
  robot.place()
  robot.turnAround()
end

function tonnel(_wight, _height, _depth)
  for i = 0, _depth-1 do
    if i % 14 == 0 then
      torch()
    end
    robot.swing()
    robot.forward()
    slice(_wight, _height)
  end
  if side == 1 then
    robot.turnRight()
    for i = 0, _wight-2 do robot.forward() end
    robot.turnLeft()
  end
  if side1 == 1 then
    for i = 0, _height-2 do robot.down() end
  end
end

function back(_depth)
  robot.turnAround()
  for i = 0, _depth-1 do
    robot.forward()
  end
  robot.turnAround()
end

print("Hello, master!")
print("Enter the wight:")
wight = io.read()
print("Enter the height:")
height = io.read()
print("Enter the depth:")
depth = io.read()
print("Should I go back? [y/n]")
back_ans = io.read()

print("Working...")
tonnel(wight, height, depth, side, side1)
if back_ans == "y" then
  back(depth)
end
print("Done!")