fission_fissilFuelMeter

-- Setup tutorial : https://shorturl.at/pOSiQ
-- CONFIGURATION
local testDuration = 3600  -- Maximum duration of the test in seconds
local stopThreshold = 98 -- Stop test early if fuel fill reaches this percentage
local updateInterval = 5 -- Interval between status updates (seconds)

-- SCAN REACTOR
local reactor = peripheral.find("fissionReactorLogicAdapter")
if not reactor then
  print("Error: reactor not found")
  return
end

-- MEASURE INPUT RATE (verbose)
local function measureFuelInputRate(maxDuration, stopPercent)
  local startFuelData = reactor.getFuel()
  local startFuel = startFuelData.amount or 0
  local startPercent = (reactor.getFuelFilledPercentage() or 0) * 100
  local startTime = os.clock()

  print("Starting fissile fuel input test...")
  print(string.format("Start fuel: %.1f mB (%.2f%%)", startFuel, startPercent))

  while true do
    local currentPercent = (reactor.getFuelFilledPercentage() or 0) * 100
    local elapsed = os.clock() - startTime

    print(string.format("[+%.1fs] Current fuel level: %.2f%%", elapsed, currentPercent))

    if currentPercent >= stopPercent then
      print(string.format("Stopping early: Fuel level reached %.2f%% (threshold: %d%%)", currentPercent, stopPercent))
      break
    end

    if elapsed >= maxDuration then
      print(string.format("Stopping: Test duration reached %.1f seconds", maxDuration))
      break
    end

    sleep(updateInterval)
  end

  local endTime = os.clock()
  local endFuelData = reactor.getFuel()
  local endFuel = endFuelData.amount or 0
  local endPercent = (reactor.getFuelFilledPercentage() or 0) * 100

  local delta = endFuel - startFuel
  local duration = endTime - startTime
  local ratePerSecond = delta / duration
  local ratePerTick = ratePerSecond / 20

  print("Test complete.")
  print(string.format("Start fuel: %.1f mB (%.2f%%)", startFuel, startPercent))
  print(string.format("End fuel:   %.1f mB (%.2f%%)", endFuel, endPercent))
  print(string.format("Total input: %.1f mB over %.1f seconds", delta, duration))
  print(string.format("Average input rate: %.2f mB/tick", ratePerTick))

  return ratePerTick, delta, duration
end

-- MAIN
measureFuelInputRate(testDuration, stopThreshold)