test

local function refuel()
  local level = turtle.getFuelLevel()
  if level < 25 then
    turtle.select(1)
    turtle.refuel(2)
  end
end

local function isLog()
    s, data = turtle.inspect()
    ret = data.name == "minecraft:spruce_log"
    print(data.name)
    print(ret)
    return ret
end

local function isEmpty()
    s, data = turtle.inspect()
    return data.name == nil
end

local function restock()
    turtle.select(2)
    local count = turtle.getItemCount(2)
    if (count < 12) then
        turtle.turnLeft()
        turtle.suck(8)
        turtle.turnRight()
    end
    turtle.select(1)
end

local function plant()
    refuel()
    restock()
    turtle.forward()
    turtle.select(2)
    turtle.place()
    turtle.turnRight()
    turtle.forward()
    turtle.turnLeft()
    turtle.place()
    turtle.back()
    turtle.place()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.place()
    turtle.select(1)
end

local function flushItems()
    count = turtle.getItemCount(4)
    if count > 0 then
        turtle.turnLeft()
        turtle.turnLeft()
        for cnt=3, 16, 1 do
            turtle.select(cnt)
            turtle.drop()
        end
        turtle.turnLeft()
        turtle.turnLeft()
        turtle.select(1)
    end
end

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

local function chopDown()
    turtle.dig()
    local s, blockDown = turtle.inspectDown()
    print(blockDown.name)
    if blockDown.name == "minecraft:spruce_log" then
        turtle.digDown()
    end
end

local function changeRow()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
end

local function resetPos()
    turtle.back()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
end

while true do
    os.sleep(2)
    flushItems()
    if isEmpty() then
        plant()
    end
    if isLog() then
        turtle.dig()
        turtle.forward()
        while isLog() do
            refuel()
            chop()
            turtle.up()
        end
        changeRow()
        while isLog() do
            refuel()
            chopDown()
            turtle.down()
        end
        resetPos()
    end
end