Item sorting

args ={...}
sides = {"front", "back", "left", "right", "top", "bottom"}
directions = {"north", "south", "east", "west", "up", "down"}
drops = {"dropup", "dropdown,", "drop"}

function settings()
    if #args==3 then
        for i = 1, 6 do
            if string.lower(args[1]) == sides[i] then
                p=peripheral.wrap(args[1])
                print("peripheral side: "..tostring(args[1]))
                break
            end
        end
        for i = 1, 6 do
            if string.lower(args[2]) == directions[i] then
                turtleDir = args[2]
                print("chest to turtle direction: "..tostring(args[2]))
                break
            end
        end
        for i = 1, 3 do
            if string.lower(args[3]) == drops[i] then
                dropWay(args[3])
                print("dropping way: "..tostring(drop))
                break
            end
        end


        if p ~= nil and turtleDir ~= nil and drop ~= nil then
            main()
        else
            print("something went wrong, try again")
            L2U()
        end
    else
        L2U()
    end
end

function dropWay(s)
    if string.find(s, "up") ~= nil then
        drop = turtle.dropUp
        return
    elseif string.find(s, "down") ~= nil then
        drop = turtle.dropDown
        return
    else
        drop = turtle.drop
        return
    end
end

function L2U()
    print('L2 Use my turtles, \nARGS #1 <peripheral side> \n#2 <Chest to Turtle direction> \n#3 <drop Up/down/nothing>' )
    --print('viable sides: "front", "back", "left", "right", "top", "bottom"')
    --print ('viable directions: "north", "south", "east", "west", "up", "down"')
end
--p = peripheral.wrap("front")
--turtleDir = ("West")

function cleanUp()
    print("sweep sweep sweep WIP")
    for i=1, 16 do
        if turtle.getItemCount(i) > 0 then
            size = p.getInventorySize()
            while p.pullItem(turtleDir, i, 64, size) == 0 do
                size = size - 1
            end
        end
    end
end

function getStacks()
    for i=1, p.getInventorySize() do
        if p.getStackInSlot(i) ~= nil then
            quantity = p.getStackInSlot(i).qty
            --if quantity >= 9 then
            if quantity >= 4 then
                doCrafting(i, quantity)
                print("crafting")
            end
        end
    end
end

function doCrafting(slot, n)
    --craftNr = math.floor(n / 9)
    craftNr = math.floor(n / 4)
    p.pushItemIntoSlot(turtleDir,slot,craftNr, 1)
    p.pushItemIntoSlot(turtleDir,slot,craftNr, 2)
    p.pushItemIntoSlot(turtleDir,slot,craftNr, 5)
    p.pushItemIntoSlot(turtleDir,slot,craftNr, 6)
    --p.pushItemIntoSlot(turtleDir,slot,craftNr, 3)
    --p.pushItemIntoSlot(turtleDir,slot,craftNr, 7)
    --p.pushItemIntoSlot(turtleDir,slot,craftNr, 9)
    --p.pushItemIntoSlot(turtleDir,slot,craftNr, 10)
    --p.pushItemIntoSlot(turtleDir,slot,craftNr, 11)
    if turtle.craft() then
        pcall(drop)
    else
        pcall(cleanUp)
        os.sleep(2)
    end
end


function main()
    quantity = 0
    p.condenseItems()
    while true do
        cleanUp()
        getStacks()
        p.condenseItems()
        print("waiting 1")
        os.sleep(0.4)
    end
end

settings()