randomDrop

chestA = peripheral.wrap("back")
chestB = peripheral.wrap("top")
dispenserA = peripheral.wrap("left")
dispenserB = peripheral.wrap("right")
amountA = 0
amountB = 0
amountA = 0
amountB = 0
randomA = 0
randomB = 0
slotRA = 0
slotRB = 0




function amount()
  for j = 1, chestA.getInventorySize() do
    if chestA.getStackInSlot(j) ~= nil then
    --Checks the amount of items in chest A
      amountA = amountA + 1
    end
  end
  print(amountA)
  for k = 1, chestB.getInventorySize() do
    if chestB.getStackInSlot(k) ~= nil then
    --Checks the amount of items in chest B
      amountB = amountB + 1
    end
  end
  print(amountB)
end

function numbers()
  randomA = math.random(amountA)
  randomB = math.random(amountB)
  --Random numbers for output for randomizing drop
end

function push()
  chestA.pushItemIntoSlot("north",randomA,1,1)
  --should push to chest in between of this one and dispenser
  chestB.pushItemIntoSlot("south",randomB,1,1)
  dispenserA.pullItemIntoSlot("east",1,1,5)
  dispenserB.pullItemIntoSlot("up",1,1,5)
  rs.setOutput("left", true)
  rs.setOutput("right", true)
  sleep(0,5)
  rs.setOutput("left", false)
  rs.setOutput("right", false)
  --dispenses things
end

function wait()
  backA = 0
  backB = 0
  while true do
    if backA == 0 then
      for l = 1, 9 do
        if dispenserA.getStackInSlot(l) ~= nil then
        --should wait for when item is reinserted to dispenser
          backA = 1
          slotRA = l
          --logs which slot item had been put into
        end
      end
    end
    if backB == 0 then
      for m = 1, 9 do
        if dispenserB.getStackInSlot(m) ~=nil then
        --should wait for when item is reinserted to dispenser
          backB = 1
          slotRB = m
          --logs which slot item had been put into
        end
      end
    end
    if backA == 1 and backB == 1 then
    --if both are back it breaks the loop
      break
    end
  end
end

function back()
  dispenserA.pushItemIntoSlot("east",slotRA,1,1)
  --takes from dispenser from slot that has been logged, inot chest inbetween
  dispenserB.pushItemIntoSlot("up",slotRB,1,1)
  chestA.pullItemIntoSlot("north", 1, 1, randomA)
  chestB.pullItemIntoSlot("south", 1, 1, randomB)
end

amount()
numbers()
push()
wait()
back()