turtle

-- Ancient Debris Strip Mining Turtle Script

local targetY = 14          -- Starting Y level (reference point)
local miningLength = 50     -- Blocks to mine forward
local chestSlot = 1         -- Slot for chest interaction
local netherrackSlot = 2    -- Slot to keep netherrack

-- Function to check and maintain 64 netherrack
local function maintainNetherrack()
    turtle.select(netherrackSlot)
    local count = turtle.getItemCount(netherrackSlot)
    if count < 64 then
        print("Need more netherrack: "..count.."/64")
        return false
    end
    return true
end

-- Function to handle lava blocking
local function checkAndBlockLava()
    if turtle.detect() then
        local success, block = turtle.inspect()
        if block and block.name == "minecraft:lava" then
            turtle.select(netherrackSlot)
            turtle.place()
            return true
        end
    end
    return false
end

-- Function to refuel from chest and deposit
local function refuelFromChest()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.select(chestSlot)

    -- Suck coal and refuel
    while turtle.getFuelLevel() < 1000 do
        turtle.suck()
        for i = 1, 16 do
            turtle.select(i)
            if turtle.refuel(1) then
                break
            end
        end
    end

    -- Deposit ancient debris
    for i = 1, 16 do
        turtle.select(i)
        local item = turtle.getItemDetail()
        if item and item.name == "minecraft:ancient_debris" then
            turtle.drop()
        end
    end

    turtle.select(chestSlot)
    turtle.turnRight()
    turtle.turnRight()
end

-- Function to move to specific Y level
local function moveToY(target)
    -- Since turtles don't track Y, we'll assume starting at 14
    -- and adjust relative to that
    local currentY = 14 -- Assuming start at Y=14
    while currentY ~= target do
        if currentY > target then
            turtle.digDown()
            turtle.down()
            currentY = currentY - 1
        elseif currentY < target then
            turtle.digUp()
            turtle.up()
            currentY = currentY + 1
        end
    end
end

-- Main mining function for one row
local function mineRow()
    for y = 12, 16 do
        moveToY(y)
        for i = 1, miningLength do
            checkAndBlockLava()
            turtle.dig()
            turtle.forward()
            checkAndBlockLava()
            if not maintainNetherrack() then
                -- Return to Y=14 before exiting
                moveToY(14)
                return false
            end
        end
        -- Return to start of row after each Y level
        turtle.turnLeft()
        turtle.turnLeft()
        for i = 1, miningLength do
            turtle.forward()
        end
        turtle.turnRight()
        turtle.turnRight()
    end
    moveToY(14) -- Return to starting Y level
    return true
end

-- Main program
print("Starting Ancient Debris Strip Mining...")
print("Place chest with coal BEHIND turtle at Y=14")
print("Ensure slot 2 has 64+ netherrack")
print("Turtle must start at Y=14 facing mining direction")

-- Initial setup
turtle.select(netherrackSlot)
if not maintainNetherrack() then
    print("Please put 64+ netherrack in slot 2")
    return
end

local rowCount = 0

while true do
    if mineRow() then
        -- Return to start position
        turtle.turnLeft()
        turtle.turnLeft()
        for i = 1, miningLength do
            turtle.forward()
        end

        refuelFromChest()

        -- Move to next adjacent row
        turtle.turnRight()
        turtle.forward()
        turtle.turnRight()

        rowCount = rowCount + 1
        if rowCount >= 10 then -- Adjust this for number of rows desired
            print("Completed "..rowCount.." rows")
            break
        end
    else
        print("Returning due to low netherrack")
        turtle.turnLeft()
        turtle.turnLeft()
        for i = 1, miningLength do
            turtle.forward()
        end
        refuelFromChest()
        break
    end
end

print("Mining complete!")