CC Mining Turtle - Room Excavation

local version = 0.3

-- Constants for the update process
local pastebinCode = "gQV6Jvhv"  -- Replace with your actual Pastebin code
local scriptName = "jakeExcavate"

-- Function to download and update from Pastebin
function updateFromPastebin()
    local response = http.get("https://pastebin.com/raw/" .. pastebinCode)
    if response then
        local scriptContent = response.readAll()
        response.close()

        local file = fs.open(scriptName, "w")
        file.write(scriptContent)
        file.close()

        print(scriptName.. " - Update downloaded. Restarting script...")
        os.sleep(1)  -- Short pause before reboot
        os.reboot()
    else
        print("Failed to check for updates.")
    end
end

-- Function to check for new updates and apply them
function checkForUpdates()
    local response = http.get("https://pastebin.com/raw/" .. pastebinCode)
    if response then
        local scriptContent = response.readAll()
        response.close()

        -- Check if the first line in the updated file contains a new version number
        local remoteVersion = tonumber(string.match(scriptContent, "%-%- Version: (%d+%.%d+)"))
        if remoteVersion and remoteVersion > version then
            print(scriptName.. " - New version found: " .. remoteVersion)
            updateFromPastebin()
        else
            print(scriptName.. " - Running the latest version.")
        end
    else
        print("Failed to connect to Pastebin for update check.")
    end
end

-- Main script execution
local args = {...}  -- Capture command-line arguments

if #args > 0 and args[1] == "-update" then
    print("Update flag detected. Checking for updates...")
    checkForUpdates()
    return  -- Exit after updating
end

-- THE MAIN FUNCTION --

-- Prompt for dimensions
print("Enter the length:")
local length = tonumber(read())
print("Enter the width:")
local width = tonumber(read())
print("Enter the depth:")
local depth = tonumber(read())

-- Function to check and mine block
function mineBlock()
  turtle.dig()
  if turtle.detectUp() then
    turtle.digUp()
  end
  if turtle.detectDown() then
    turtle.digDown()
  end
end

-- Function to handle the mining in one layer
function mineLayer()
  for w = 1, width do
    for l = 1, length - 1 do
      mineBlock()
      turtle.forward()
    end
    if w < width then
      mineBlock()
      if w % 2 == 1 then
        turtle.turnLeft()  -- Turning left instead of right
        turtle.forward()
        turtle.turnLeft()
      else
        turtle.turnRight()  -- Adjusting to ensure proper alignment
        turtle.forward()
        turtle.turnRight()
      end
    end
  end
end

-- Main mining function
function mainMining()
  for d = 1, depth do
    mineLayer()
    if d < depth then
      if d % 2 == 1 then  -- Adjust turn based on odd/even layer
        turtle.turnLeft()  -- Adjusting for leftward movement
      else
        turtle.turnRight()
      end
      turtle.down()  -- Move down to next layer
      if (d < depth) then
        if d % 2 == 1 then
          turtle.turnLeft()  -- Continue leftward movement on next layer
        else
          turtle.turnRight()
        end
      end
    end
  end
end

-- Start the mining operation
mainMining()
print("Mining complete!")