ChargerHelper v0.2

local modem = peripheral.wrap("bottom")
local charger = "batbox_1"
local charger2 = "tile_thermalexpansion_machine_charger_name_2"
local chest = peripheral.wrap("right")
local cSize = chest.getInventorySize()

print("This computer monitors the batbox and chest connected to it")
print("When a jetpack is in the chest and is not fully charged, it is pushed into batbox.")
print("When an item is in the batbox and is fully charged, it is pushed into the chest")


function isCharging()
  local item = modem.callRemote(charger,"getStackInSlot",1)
  if ( item == nil ) then
--    print "no item"
    return false
  end
  if ( item.dmg <= 1 ) then
--    print "item is charged, pushing"
    modem.callRemote(charger,"pushItem","north",1)
    os.sleep(1)
    return false
  end
--  print "item is not charged"
  return true
end

function isCharging2()
  local item = modem.callRemote(charger2,"getStackInSlot",1)
  if ( item == nil ) then
    return false
  end
  return true

end


function isChargableItem(item)
  if ( item == nil ) then return false end
  if ( item.id == 30209 ) then --Jetpack
    if ( item.dmg > 1 ) then return true end
  end
  return false
end


function isChargableItem2(item)
  if ( item == nil ) then return false end
  if ( item.id == 20759 ) then --Flux Sword
    if ( item.energyStored < item.maxEnergyStored ) then return true end
  end
  return false
end

function chargeItem()

  for slot = 1,cSize do
    local item = chest.getStackInSlot(slot)
    if ( item ~= nil and isChargableItem(item) ) then
      chest.pushItem("south",slot)
      os.sleep(1)
      return
    end
    if ( item ~= nil and isChargableItem2(item )) then
      chest.pushItem("west",slot)
      os.sleep(1)
      return

    end
  end
end

while true do
 if ( isCharging() == false or isCharging2() == false ) then
   chargeItem()
 else
   os.sleep(10)
 end
 os.sleep(5)
end