AE Crystal Checker

-- AE Crystal Checking Script
--  Is the crystal crystally yet? Or is it still seedy? LETS FIND OUT!
--  (The turtle must be placed directly above the water!)
--  (The chest must be placed directly above the turtle!)

--<< Global configs >>--

-- Time the script pauses before checking the crystals
local sleepTime = 20

-- Pairs of values: 1st is the name, second is the damage value.
-- Gotten by putting item in selected slot and running turtle.getItemDetail()
local finalForm = {
  "appliedenergistics2:item.ItemMultiMaterial", 10, --Certus
  "appliedenergistics2:item.ItemMultiMaterial", 11, --Nether
  "appliedenergistics2:item.ItemMultiMaterial", 7, --Fluix Raw
  "appliedenergistics2:item.ItemMultiMaterial", 12 --Fluix Pure
}

-- Output info for user
print("AE Crystal Checker")
print("------------------")
print()
print("Press q to quit...")

-- Function that returns true if the selected item is in the table, false if not
function isFinalForm()
  local data = turtle.getItemDetail()
  if data == nil then
    return false
  end

  for i=1,#finalForm,2 do
    if data.name == finalForm[i] then
      if data.damage == finalForm[i+1] then
        return true
      end
    end
  end

  return false
end

-- Main

-- Setting up
local timer = os.startTimer(sleepTime)

while true do
  local event, edata = os.pullEvent()

  if event == "timer" and edata == timer then
    -- This is the timer we started, let's go!

    while turtle.suckDown() do end
    for i=1,16 do
      turtle.select(i)
      if isFinalForm() then
        turtle.dropUp()
      else
        turtle.dropDown()
      end
    end
    turtle.select(1)

    -- Restart the timer
    timer = os.startTimer(sleepTime)

  elseif event == "key" and edata == 16 then
    break
  end
end