Untitled

-- Define the function to refuel the turtle
function refuelExcludingOakSaplings()
    for i = 1, 16 do
        turtle.select(i)
        local itemDetail = turtle.getItemDetail()
        if itemDetail and itemDetail.name ~= "minecraft:oak_sapling" then
            turtle.refuel()
        end
    end
end

-- Define the function to drop all items except oak saplings
function dropAllExceptOakSaplings()
    for i = 1, 16 do
        turtle.select(i)
        local itemDetail = turtle.getItemDetail()
        if itemDetail and itemDetail.name ~= "minecraft:oak_sapling" then
            turtle.dropDown()
        end
    end
end

-- Main loop
while true do
    if not turtle.detect() then
        turtle.forward()
    else
        local success, data = turtle.inspect()
        if success then
            if data.name == "minecraft:cobbled_deepslate" then
                refuelExcludingOakSaplings()
                turtle.turnLeft()
                turtle.turnLeft()
                dropAllExceptOakSaplings()
            elseif data.name == "minecraft:oak_log" then
                turtle.dig()
                turtle.forward()
                if turtle.detectDown() then
                    turtle.digDown()
                end
                -- Place oak sapling from inventory
                local saplingPlaced = false
                for i = 1, 16 do
                    turtle.select(i)
                    local itemDetail = turtle.getItemDetail()
                    if itemDetail and itemDetail.name == "minecraft:oak_sapling" then
                        turtle.placeDown()
                        saplingPlaced = true
                        break
                    end
                end
                if not saplingPlaced then
                    print("No oak saplings available to place.")
                end

                -- Mine upwards if there's an oak block above
                while turtle.detectUp() do
                    turtle.digUp()
                    turtle.up()
                end

                -- Go down until can't go further
                while not turtle.detectDown() do
                    turtle.down()
                end
            else
                turtle.dig()
                turtle.forward()
            end
        end
    end
end