startup

term.clear()
local laser = peripheral.find("warpdriveLaser")
local mininglasers = {}
local sides = peripheral.getNames()

local function saveZeroLayersCount(count)
  local file = fs.open("zero_layers.txt", "w")
  file.write(tostring(count))
  file.close()
end

local function getZeroLayersCount()
  if fs.exists("zero_layers.txt") then
    local file = fs.open("zero_layers.txt", "r")
    local count = tonumber(file.readAll())
    file.close()
    return count
  end
  return 0
end

for _, side in pairs(sides) do
  if peripheral.getType(side) == "warpdriveMiningLaser" then
    table.insert(mininglasers, peripheral.wrap(side))
  end
end

laser.beamFrequency(1420)

if not laser then
  print("No warpdriveLaser detected")
  os.exit()
end

if #mininglasers == 0 then
  print("No warpdriveMiningLaser detected")
  os.exit()
end

print("Press the 'M' key to emit a laser scan and start the mining lasers with calculated layer offset.")

-- Loop to wait for key events
while true do
  local event, key = os.pullEvent("key")

  if key == 50 then
    local _, laserY, _ = laser.getLocalPosition()
    local targetY = 0

    repeat
      laser.emitBeam(0, -1, 0)
      os.sleep(1)
      _, _, targetY = laser.getScanResult()
    until targetY ~= 0

    local mineTarget = laserY - targetY - 1
    print("Target is: " .. mineTarget .. " blocks below")

    for _, mininglaser in pairs(mininglasers) do
      mininglaser.offset(mineTarget)
      mininglaser.enable(true)
    end

    local consecutiveZeroLayers = getZeroLayersCount()

    -- Periodically check the mining state
    while true do
      os.sleep(1)
      local state, isActive, energy, currentLayer, mined, total = mininglasers[1].state()
      print(textutils.serialize(state)) -- Debug line to print the entire state object

      -- You'll need to modify the below lines once you understand the structure of 'state'

      if total == 0 then
        consecutiveZeroLayers = consecutiveZeroLayers + 1
      else
        consecutiveZeroLayers = 0
      end

      saveZeroLayersCount(consecutiveZeroLayers)

      if consecutiveZeroLayers >= 3 then
        print("3 consecutive layers with 0 total blocks detected. Stopping mining.")
        print("")
        print("Press the 'M' key to emit a laser scan and start the mining lasers with calculated layer offset.")
        for _, mininglaser in pairs(mininglasers) do
          mininglaser.enable(false)
        end
        fs.delete("zero_layers.txt")
        break
      end
    end
  end
end