wheat

local function reset()
  for i=1,16 do
    turtle.select(i)
    if turtle.getItemCount() ~= 0 then
      while not turtle.dropUp() do end
    end
  end
  turtle.select(1)
end

local function main()
  local pipe = peripheral.wrap("front")
  pipe.setTurtleConnect(true)
  local lp = pipe.getLP()
  local builder = lp.getItemIdentifierBuilder()
  builder.setItemID("minecraft:wheat")
  local ident = builder.build()

  while true do
    local n = pipe.getItemAmount(ident)
    print("stock: "..tostring(n))
    if 1152 < n then
      write("requesting...")
      pipe.makeRequest(ident, 576)
      local c = 0
      repeat
        c = c + 1
        n = 0
        for i=1,9 do
          turtle.select(i)
          n = n + turtle.getItemCount()
        end
        sleep(1)
      until ((n == 576) or (60 < c))
      if n == 576 then
        print("success")
        turtle.select(4)
        turtle.transferTo(10)
        turtle.select(8)
        turtle.transferTo(11)
        turtle.select(1)
        turtle.craft()
        while not turtle.dropUp() do end
      else
        print("abort")
        reset()
      end
    end
    print("sleeping...")
    sleep(60)
  end
end

reset()
main()