Serum Refill

sorter = peripheral.wrap("back")
local directions = { [0]=0,[1]=1,[2]=2,[3]=3,[4]=4,[5]=5,["down"] = 0, ["up"] = 1, ["-Z"] = 2, ["+Z"] = 3, ["-X"] = 4, ["+X"] = 5, ["+Y"] = 1, ["-Y"] = 0}


function getItems(dir)
	uuid = {}
	items = {}
	metas = {}
	amounts = {}
	for id,count in pairs(sorter.list(directions[dir])) do
		table.insert(uuid,id)
		table.insert(amounts,count)
		if id > 2^15 then
			metat = 0
			while true do
				metat = metat + 1
				idt = id - (2^15)*metat
				if idt < 2^15 then
					break
				end
			end
			table.insert(items,idt)
			table.insert(metas,metat)
		else
			table.insert(items,id)
			table.insert(metas,0)
		end
	end
end

while true do
	getItems("-X")
	for i=1,#items do
		if items[i] == 8803 and metas[i] ~= 0 then
			extractid = uuid[i]
			break
		else
			extractid = nil
		end
	end
	if extractid ~= nil then
		getItems("down")
		if #items < 9 then
			sorter.extract(directions["-X"],extractid,directions["down"],1)
		end
	end
	os.sleep(1)
end