Mining turtle 10x10x30 v2

local drahokamy = {
    "minecraft:diamond",
    "minecraft:emerald",
    "minecraft:redstone",
    "minecraft:lapis_lazuli",
    "minecraft:gold_ore",
    "minecraft:iron_ore"
}

local function tableContains(table, element)
    for _, value in pairs(table) do
        if value == element then
            return true
        end
    end
    return false
end

local function dig()
    turtle.dig()
    turtle.digUp()
    turtle.digDown()
end

local function moveDown()
    while not turtle.down() do
        turtle.digDown()
    end
end

local function moveUp()
    while not turtle.up() do
        turtle.digUp()
    end
end

local function emptyInventory()
    for i = 1, 16 do
        turtle.select(i)
        local item = turtle.getItemDetail()
        if item and not tableContains(drahokamy, item.name) then
            turtle.drop()
        end
    end
end

local function refuel()
    for i = 1, 16 do
        local fuelLevel = turtle.getFuelLevel()
        if fuelLevel < 500 then
            turtle.select(i)
            turtle.refuel(1)
        end
    end
    turtle.select(1)
end

local function findChestAndEmptyInventory()
    local chestFound = false
    for y = 1, 10 do
        if chestFound then
            break
        end
        for x = 1, 10 do
            local success, data = turtle.inspect()
            if success and data.name == "minecraft:chest" then -- Opraveno: Opraven neukončený řetězec
                chestFound = true
                break
            end
            if x < 10 then
                turtle.forward()
            end
        end
        if not chestFound and y % 2 == 0 then
            turtle.turnRight()
            turtle.forward()
            turtle.turnRight()
        elseif not chestFound and y % 2 == 1 then
            turtle.turnLeft()
            turtle.forward()
            turtle.turnLeft()
        end
    end
    if chestFound then
        emptyInventory()
        return true
    else
        turtle.turnRight()
        turtle.turnRight()
        for _ = 1, 10 do
            turtle.forward()
        end
        turtle.turnLeft()
        for _ = 1, 10 do
            turtle.forward()
        end
        turtle.turnLeft()
        return false
    end
end

local function mineTunnel()
    for y = 1, 30 do
        dig()
        moveDown()
        refuel()
        if y % 10 == 0 then
            local chestFound = findChestAndEmptyInventory()
            if not chestFound then
                print("Nelze najít truhlu, ukončuji činnost.")
                return
            end
        end
    end
    for _ = 1, 30 do
        moveUp()
    end
end

local function mineLayer()
    for _ = 1, 10 do
        mineTunnel()
        if turtle.getFuelLevel() < 30 then
            refuel()
        end
        if _ < 10 then
            turtle.turnRight()
            for _ = 1, 9 do
                turtle.forward()
            end
            turtle.turnRight()
        end
    end
end

print("Zahajuji tezbu tunelu 10x10x30...")
mineLayer()
print("Tezba tunelu dokoncena.")