/cc/pumpcontrol

--   Copyright 2012 John Paul Alcala
--
--   Licensed under the Apache License, Version 2.0 (the "License");
--   you may not use this file except in compliance with the License.
--   You may obtain a copy of the License at
--
--       http://www.apache.org/licenses/LICENSE-2.0
--
--   Unless required by applicable law or agreed to in writing, software
--   distributed under the License is distributed on an "AS IS" BASIS,
--   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--   See the License for the specific language governing permissions and
--   limitations under the License.


local args = { ... }
local cableLocation = "bottom"
local drainPump = colors.black
local fillPump = colors.blue
local doorLock = colors.red
local fillTime = 30
local drainTime = 45
local isDoorClosed = redstone.testBundledInput(cableLocation, doorLock)

local pumpControl = function(cableLocation, op, time)
  redstone.setBundledOutput(cableLocation, op)
  sleep(time)
  redstone.setBundledOutput(cableLocation, 0)
end

local fillAirlock = function()
  if isDoorClosed then
    print("Filling Airlock.")
    pumpControl(cableLocation, fillPump, fillTime)
  else
    print("Close the door first!")
  end
end

local drainAirlock = function()
  print("Draining Airlock.")
  pumpControl(cableLocation, drainPump, drainTime)
end

local checkArguments = function()
  local arg = args[1]

  if arg == "fill" then
    fillAirlock()
  elseif arg == "drain" then
    drainAirlock()
  end
end

-- check args

if #args > 0 then
  checkArguments()
else
  print("pumpcontrol [fill/drain]")
end