serumTest3

mg = peripheral.wrap("left")
rednet.open("right")

local numSerums = 0
local tArgs = {...}
local role = tArgs[1]

function processSerums()
   local serum, state

   for serum=1,numSerums do
      print ("Processing serum #"..tostring(serum))
      turtle.select(serum)
      turtle.drop()
      repeat
         sleep(5)
         state = mg.get()
      until (state["Is Not Working"] and state["Energy Stored"] and state["Liquid in Tank"])
      turtle.suck()
   end
end

function getSerums()
   local serum, flag

   numSerums = 0
   turtle.select(1)

   while turtle.suck() do
      numSerums = numSerums + 1
   end
end

function doWork()
   print ("Getting serums...")
   turtle.turnLeft()
   getSerums()
   turtle.turnRight()
   if (numSerums < 1) then
      print ("Nothing to do!")
      return
   end
   print ("Done")

   print ("Processing serums...")
   processSerums()
   print ("Done")

   print ("Returning serums...")
   turtle.turnRight()
   for serum=1,numSerums do
      turtle.select(serum)
      turtle.drop()
   end
   turtle.turnLeft()
   print ("All done!")
end

while true do
   id, msg, dist = rednet.receive()
   if (msg == role) then
      print ("Start work")
      sleep(1)
      doWork()
      if (role == "Refill") then
         rednet.broadcast("Purify")
      else
         rednet.broadcast("Inoculate")
      end
   end
end