OC CompactStockPile

numberOfItems = 3
itemList = {"minecraft:planks", 0, 500,
            "minecraft:stick", 0, 2000,
            "appliedenergistics2:item.ItemMultiMaterial", 20, 32
            }

lastCrafts = {}

local component = require("component")
local me_controller = component.me_interface

function table_invert(t)
   local s={}
   for k,v in pairs(t) do
     s[v]=k
     print(k)
     --print(k .. " = " .. v)
   end
   return s
end

function getItemAE(itemName, dmgValue)
    local me_controller = component.me_interface
    local item = me_controller.getItemsInNetwork({name = itemName})
    if item.n >=1 then
        for i = 1, item.n do
            if item[i].damage == dmgValue then
                return item[i]
            end
        end
    else
        print("no item "  .. itemName .. " found")
    end
    print("error item " .. itemName .. " : " .. dmgValue .. " not found")
    return nil
end

function getCraftableAE(itemName, dmgValue)
    local me_controller = component.me_interface
    local craftables = me_controller.getCraftables({name = itemName})
    if craftables.n >=1 then
        for i = 1, craftables.n do
            if craftables[i].getItemStack().damage == dmgValue then
                return craftables[i]
            end
        end
    else
        print("no craftable "  .. itemName .. " found")
    end
    print("error craftable " .. itemName .. " : " .. dmgValue .. " not found")
    return nil
end

function tryCraftAE(itemListIndex, itemName, itemDmgValue, craftNbrRequested)
    if lastCrafts[itemListIndex] == nil or lastCrafts[itemListIndex].isDone() == true then
        local craftables = getCraftableAE(itemName, itemDmgValue)
        lastCrafts[itemListIndex] = craftables.request(craftNbrRequested)
    end
end
while true do
    for i = 1, numberOfItems do
        local itemName = itemList[i*3-2]
        local itemDmgValue = itemList[i*3-1]
        local minItemInStock = itemList[i*3]

        local item = getItemAE(itemName, itemDmgValue)
        if item ~= nil then
            local itemCount = item.size
            if itemCount < minItemInStock then
                tryCraftAE(i, itemName, itemDmgValue, minItemInStock-itemCount)
            end
        end
    end
    os.sleep(5)
end