BigReactorController

local reactor = peripheral.wrap("back")
local maxEnergy = 10000000.0

local lowerThreshold = 25.0
local upperThreshold = 90.0

local temperatureThreshold = 700

function computePercent()
  return 100.0 * reactor.getEnergyStored() / maxEnergy
end

function powerState()
  if computePercent() < lowerThreshold then
    return -1
  elseif computePercent() < upperThreshold then
    return 0
  else
    return 1
  end
end

function activate()
  print("Powering up reactor [" .. computePercent() .. "%] (" .. reactor.getTemperature() .. " C)")
  reactor.setActive(true)
end

function deactivate()
  print("Powering down reactor [" .. computePercent() .. "%] (" .. reactor.getTemperature() .. " C)")
  reactor.setActive(false)
end

print("Starting energy: " .. computePercent() .. "%")

if powerState() < 0 then
  activate()
elseif powerState() > 0 then
  deactivate()
end

while true do
  if powerState() < 0 then
    while powerState() < 1 do
      if reactor.getTemperature() > temperatureThreshold and reactor.getActive() then
        deactivate()
        sleep(5)
      else
        if not reactor.getActive() then
          activate()
        end
        sleep(1)
      end
    end
  elseif powerState() > 0 then
    if reactor.getActive() then
      deactivate()
    end
    sleep(20)
  else
    sleep(10)
  end
end