OpenComputer Brewer

--openComputers autoBrew program
--brew [transposerAddress]

component = require("component")
args = {...}

if #args < 5 then
    print("brew [address] [chestSide] [bottlerSide] [waterSide] [ingredientsSide]")
    return
end

tranposer = component.proxy(component.get(args[1]))
chestSide = sides[args[2]]
waterSide = sides[args[4]]
bottlerSide = sides[args[3]]
ingredientsSide = sides[args[5]]
fuel = 0

function listItems(side)
  for i in transposer.getAllStacks(side) do
    for k,v in pairs(i) do
      if k == "label" then
        print(string.lower(v))
      end
    end
  end
end

function findItems(side,itemName)
    itemName = string.lower(itemName)
    local invSize = transposer.getInventorySize(side)
    local tab = transposer.getAllStacks(side)
    --going through all the slots in the chest
    for slot = 1,invSize do
        print(tab[slot]["label"])
        if string.lower(tab[slot]["label"]) == itemName then
            -- if the slot has the item we're looking for
            return slot, tab[slot]["size"]
        end
    end
    return false
end

function bottleWater()
    local count = count or 3
    local slot, cnt = findItems(chestSide,"glass bottle")
    if cnt < count then
        return "not enough bottles"
    end
    transposer.transferItem(chestSide,bottlerSide,count,slot)
    for i = 1,3 do
        os.sleep(3)
        transposer.transferItem(bottlerSide,waterSide)
    end
end

function brewPotion(...)
    --get some water bottles or fill up some water bottles
    local queue = {...}
    bottleWater()
    if fuel <= 0 then
        local slot = findItems(chestSide,"blaze powder")
        if transposer.transferItem(chestSide,waterSide,1,slot) then
            fuel = 20
        end
    end
    while #queue > 0 do
        local ingredient = table.remove(queue,1)
        local slot = findItems(chestSide,ingredient)
        transposer.transferItem(chestSide,ingredientsSide,1,slot)
        os.sleep(21)
        fuel = fuel - 1
    end
end