component = require("component")
local term = require("term")
keyboard = component.proxy(component.list("keyboard")())

nc_list = {}
nc_states = {}
nc_new_states = {}

x = 0
for i,j in pairs(component.list()) do
  if j == "nc_fusion_reactor" then
    x = x+1
    nc_list[x] = i
  end
end

x = 0
for k,j in pairs(nc_list) do
  x = x + 1
  nc_states[x] = component.proxy(j).isProcessing()
end

while keyboard.isKeyDown == true do
  os.sleep(1)
end

while keyboard.isKeyDown == false do
  x = 0
  for i,j in pairs(nc_list) do
    x = x+1
    nc = component.proxy(j)
    if nc.getEfficiency() > 99.9 then
      nc.deactivate()
    else
      nc.activate()
    end
    nc_new_states[x] = nc.isProcessing()
  end

  if (nc_new_states ~= nc_states) then
    term.clear()
    x = 0
    for i in pairs(nc_new_states) do
      x = x+1
      if i then
        state = 'activated!'
      else
        state = 'deactivated!'
      end
      print('Fusion Core ' .. x .. ' is ' .. state)
    end
  end

  nc_states = nc_new_states
  os.sleep(1)
end