local chestFrequency = 10
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 forward()
    while not turtle.forward() do
        turtle.dig()
        turtle.attack()
    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 findChestAndEmptyInventory()
    local chestFound = false
    for i = 1, 4 do
        turtle.turnLeft()
        local success, data = turtle.inspect()
        if success and data.name == "minecraft:chest" then
            chestFound = true
            break
        end
    end
    if chestFound then
        emptyInventory()
    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 mine(steps)
    for step = 1, steps do
        dig()
        forward()

        if step % chestFrequency == 0 then
            findChestAndEmptyInventory()
            refuel()
            print("Natěženo:")
            for i = 1, 16 do
                turtle.select(i)
                local item = turtle.getItemDetail()
                if item then
                    print(item.name .. ": " .. item.count)
                end
            end
            turtle.select(1)
        end
    end
end

mine(100) -- Vložte počet kroků pro těžbu