Mining turtle strip

-- Strip Mining Turtle Program for ComputerCraft

-- Configuration
local MINING_DEPTH = 50  -- Number of blocks to mine in one direction
local STRIP_WIDTH = 3    -- Width of the mining strip
local FUEL_SLOT = 16     -- Slot dedicated for fuel

-- Helper functions
local function refuel()
    turtle.select(FUEL_SLOT)
    if turtle.getFuelLevel() < MINING_DEPTH * 2 then
        turtle.refuel()
    end
end

local function forward()
    while not turtle.forward() do
        if turtle.detect() then
            turtle.dig()
        elseif turtle.attack() then
            -- Handle mobs if necessary
        else
            sleep(0.5)
        end
    end
end

local function digLayer(depth)
    for _ = 1, depth do
        for _ = 1, STRIP_WIDTH - 1 do
            forward()
            turtle.digUp()
            turtle.digDown()
        end
        -- Turn around at the end of the strip
        if depth % 2 == 0 then
            turtle.turnLeft()
            forward()
            turtle.turnLeft()
        else
            turtle.turnRight()
            forward()
            turtle.turnRight()
        end
    end
end

local function returnToStart()
    -- Return to starting position
    for _ = 1, MINING_DEPTH do
        if not turtle.back() then
            turtle.turnLeft()
            turtle.turnLeft()
            forward()
            turtle.turnLeft()
            turtle.turnLeft()
        end
    end
end

local function emptyInventory()
    for slot = 1, 16 do
        if slot ~= FUEL_SLOT then
            turtle.select(slot)
            turtle.drop()
        end
    end
end

-- Main program
local function mineStrip()
    refuel()

    for strip = 1, MINING_DEPTH / STRIP_WIDTH do
        digLayer(STRIP_WIDTH)
        -- Return to base after finishing the strip
        returnToStart()
        emptyInventory()
    end
end

mineStrip()