EssentiaJarProvider

local chest = peripheral.wrap("bottom")
local jarSide= "top"
local aspect = "herba"
local tSlot = 1
local chestToTurtle = "up"
--local cableSide = "bottom"

function fullJarSlot()
  local as = chest.getAllStacks(false)
  for slot,content in pairs(as) do
    if content.name == "BlockJarFilledItem" then
      return slot
    end
  end
  return 0
end

function placeFullJar()
  local placed = false
  while placed == false do
    turtle.select(tSlot)
    while turtle.getItemCount(tSlot) < 1 do
      local fjs= fullJarSlot()
      if fjs > 0 then
        chest.pushItemIntoSlot(chestToTurtle,fjs,1,tSlot)
      end
      sleep(2)
    end
    while not turtle.detectUp() do
      turtle.select(tSlot)
      placed=turtle.placeUp()
      sleep(4)
    end
    sleep(4)
  end
end

while true do
  for i = 1,16 do
    if turtle.getItemCount(i) > 0 then
      turtle.dropDown()
    end
  end
  if turtle.detectUp() then
    local level = peripheral.call(jarSide,"getAspectCount",aspect)
    if level == 0 then
      print("Jar is empty")
      turtle.select(tSlot)
      turtle.digUp()
      turtle.dropDown(1)
    else
      print("Jar not empty yet...")
      sleep(8)
    end
  else
    print("No jar detected")
    placeFullJar()
  end

end