autocrafty turtle

args = {...}
-- Read what our current recipe is and store the slots each item belongs in
myinventory = {}
for i=1,12 do
    turtle.select(i)
    item = turtle.getItemDetail()
    if item then
        name = item["name"]..":"..item["damage"]
        if not myinventory[name] then
            myinventory[name] = {}
        end
        table.insert(myinventory[name], i)
        print("I found a "..name.." in slot "..i)
    end
end

-- Start off with having at most 2 items. As we move items into the turtle increase this rate
max_count_per_slot = 4

-- Consider the inventory (jabba barrel or chest...) below us has all the items we need
resources = peripheral.wrap(args[1])
directions = {["bottom"] = "up", ["up"] = "bottom", ["left"] = "right", ["right"] = "left", ["back"]="front", ["front"]="back"}
direction_to_pull = directions[args[1]]
while true do
    -- Assume that it has a method getAllStacks which returns a table, wherein each element has a "id" and "dmg" field
    contents = resources.getAllStacks(false)

    -- Search bottom inventory for items and fill our inventory up with needed items
    --print(textutils.serialize(contents))
    for i, v in pairs(contents) do
        name = v["id"]..":"..v["dmg"]
        print("Found a "..name)
        for j, s in pairs(myinventory[name]) do
            print("Checking against slot "..s.."")
            turtle.select(s)
            diff = max_count_per_slot - turtle.getItemCount()
            if diff > 0 then
                moved = resources.pushItemIntoSlot(direction_to_pull, i, diff, s)
                -- Adapt to a higher product rate if supply is good enough
                if moved == diff then
                    max_count_per_slot = math.min(64, max_count_per_slot + 5)
                end
                print("Topping up on "..name)
            end
        end
    end

    -- figure out the bottleneck item in recipe
    bottleneck = 64
    bottleneck_slot = 1
    for name, slots in pairs(myinventory) do
        for i, slot in pairs(slots) do
            turtle.select(slot)
            cnt = turtle.getItemCount()
            if cnt < bottleneck then
                bottleneck = cnt
                bottleneck_slot = slot
            end
        end
    end
    --print("The bottleneck is "..name.." with only "..bottleneck.." left")

    left = bottleneck
    repeat
        -- craft items into slot 16 and push them forward.
        turtle.select(16)
        print("Crafting "..(left-1).." times")
        turtle.craft(left-1)
        able_to_drop = turtle.drop()
        -- Check the bottleneck item.
        turtle.select(bottleneck_slot)
        left = turtle.getItemCount()
        print("I see "..left.." left in slot "..bottleneck_slot)
        -- keep going as long as we have any left
    until left < 2 or not able_to_drop

    --
    if able_to_drop then
        os.sleep(1)
    else
        print("No space left for depositing product")
        os.sleep(10)
    end
end