Mob Spawner for Turtle

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--    Mob Spawner for Turtle    --
--                              --
-- https://youtu.be/cPGYSG19Y2U --                        --
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spawner = peripheral.wrap("front")
chest = peripheral.wrap("back")
rednet.open("right")
compId = 12

mobs = {}
--Mobs in chest definition!
function defineMobs()
  mobs = {}
  mobs[0] = {name = "Empty", slot = 0}
  --These only if you didnt name nets with anvil
  --mobs[1] = {name = "Wither skeleton", slot = 1}
  --mobs[2] = {name = "Blaze", slot = 2}
  --mobs[3] = {name = "Zombie", slot = 3}
  --mobs[4] = {name = "Enderman", slot = 4}
  --mobs[5] = {name = "Villager", slot = 5}
  --mobs[6] = {name = "Magma Cube", slot = 6}
  --mobs[7] = {name = "Pigman", slot = 7}
  for i=1,chest.getInventorySize() do
    chslot = chest.getStackInSlot(i)
    if (chslot) then
      mobs[i] = {name = chslot.name, slot = i}
    end
  end
end
--End mobs definition
defineMobs()

currentMob = mobs[0]

spawnerSide = "east"
chestSide = "west"

spawnerSafarySlotNum = 1
turtleTempSlotNum = 16

function getFromSpawner()
  if (spawner.getStackInSlot(spawnerSafarySlotNum)) then
    return spawner.pushItemIntoSlot(spawnerSide,spawnerSafarySlotNum,1,turtleTempSlotNum)
  else
    return false
  end
end

function getFromChest(mob)
  if (chest.getStackInSlot(mob.slot)) then
    return chest.pushItemIntoSlot(chestSide,mob.slot,1,turtleTempSlotNum)
  else
    return false
  end
--  currentMob = mob
end

function putToSpawner()
  if (spawner.getStackInSlot(spawnerSafarySlotNum) == nil) then
    return spawner.pullItemIntoSlot(spawnerSide,turtleTempSlotNum,1,spawnerSafarySlotNum)
  else
    return false
  end
end

function putToChest()
  return chest.pullItemIntoSlot(chestSide,turtleTempSlotNum,1,currentMob.slot)
--  currentMob = mobs[0]
end

function fromChestToSpawner(mob)
  if (mob.slot ~= 0) then
    if (getFromChest(mob)) then
      currentMob = mob
      if (putToSpawner()) then
        return true
      else
        print ("Unable to put safary net to spawner!")
        print ("Returning safary net to chest!")
        putToChest()
        currentMob = mobs[0]
        return false
      end
    else
      print ("Unable to take safary net from chest!")
      return false
    end
  else
    --print("Do something with empty request, maybe just emptying spawner")
    fromSpawnerToChest()
    return true
  end
end

function fromSpawnerToChest()
  if (currentMob.slot ~= 0) then
    if (getFromSpawner()) then
      print ("Succes getting safary net from spawner")
      putToChest()
      currentMob = mobs[0]
    else
      print ("Cant get from spawner!")
      return false
    end
  else
    print ("Current Mob data not defined, dont know where to put safary net!")
    return false
  end
end

function refreshAndGetMobs()
  defineMobs()
  return mobs
end

function response(mess)
  rednet.send(compId,mess)
end
commands = {
  getAllMobs = function() return refreshAndGetMobs() end,
  getCurrentMob = function() return currentMob end,
  fromChestToSpawner = function(args) return fromChestToSpawner(args[1]) end,
  fromSpawnerToChest = function() return fromSpawnerToChest() end,
  getSpawnExact = function() return spawner.getSpawnExact() end,
  setSpawnExact = function(args) return spawner.setSpawnExact(args[1]) end,
  getTankInfo = function() return spawner.getTankInfo("unknown")[1] end
}

while true do
  message = {}
  message.sId, message.command, message.distance = rednet.receive()
  if (message["command"]["cname"] == "Test") then
    response(mobs)
  else
    print ("Executing "..message["command"]["cname"].." command with args ")
    response(commands[message["command"]["cname"]](message["command"]["args"]))
  end
end
  elseif message=="remove" then
    event, ID, message, dist = os.pullEvent("rednet_message")
    if type(message)=="number" then
      testSpawner()
      print("Removing mob in slot "..message)
      chest.push("up", message-1, 1)
      turtle.drop()
      rednet.send(1, "done")
    else
      print("No mob selected")
    end
  end
  sleep(0.01)
end