AEst/stockpile craftingRequester

os.loadAPI("stockpile/settingsPersistence")
os.loadAPI("stockpile/itemSearcher")

local aeInterface = peripheral.wrap("back")
local STOCK_PERCENTAGE = 0.05
local activeCraftingJobs = {}

function requestCrafting(item, number)
  aeInterface.requestCrafting(item, number)
end

function numItemsToStock(stockedItem, craftableItem)
  local numStocked = craftableItem.size
  local numWanted = stockedItem.threshold

  if numStocked >= numWanted then
    return 0
  else
    local targetCount = math.ceil(numWanted * (1+STOCK_PERCENTAGE))

    return targetCount - numStocked
  end
end

function monitorStockedItems()
  while true do
    settingsPersistence.load()
    stockedItems = settingsPersistence.getStockedItems()
    itemSearcher.refreshItems()

    for key, stockedItem in pairs(stockedItems) do
      local craftableItem = itemSearcher.findCraftableItem(stockedItem.item)

      if craftableItem ~= nil then
        local stockCount = numItemsToStock(stockedItem, craftableItem)

        if stockCount > 0 and activeCraftingJobs[key] == nil then
          log("Requesting " .. stockCount .. " " .. key)

          activeCraftingJobs[key] = true
          aeInterface.requestCrafting(stockedItem.item, stockCount)
        end
      else
        log("ERROR: monitored item couldn't be found: " .. key)
      end
    end

    sleep(10)
  end
end

function monitorFinishedCraftingJobs()
  while true do
    local e, craftedItem, eventType = os.pullEvent("crafting_state")
    local itemKey = settingsPersistence.itemKey(craftedItem.fingerprint)

    log("Crafting job for " .. itemKey .. " finished")
    activeCraftingJobs[itemKey] = nil
  end
end

function log(msg)
end