startup

-- initialize --
reactors = {}
status = {[0]=0,[1]=0,[2]=0,[3]=0, [4]=0}

-- functions --
function getStatusData()
  status = {[0]=0,[1]=0,[2]=0,[3]=0,[4]=0}
  for num,reactor in pairs(reactors) do
    stat = reactor.getReactorInfo().status
    if stat == "offline" then
      status[0] = status[0] + 1
    elseif stat == "online" then
      status[1] = status[1] + 1
    elseif stat == "charging" then
      status[2] = status[2] + 1
    elseif stat == "charged" then
      status[3] = status[3] + 1
    elseif stat == "stopping" then
      status[4] = status[4] + 1
    end
  end
end

function getStatus()
  if status[0] == 20 then
    return "offline"
  elseif status[1] == 20 then
    return "active"
  elseif status[2] == 20 then
    return "charging"
  elseif status[3] == 20 then
    return "charged"
  elseif status[4] == 20 then
    return "stopping"
  else
    return "not balanced"
  end
end

function setup()
  modem = peripheral.wrap("back")
  names = modem.getNamesRemote()
  for num,name in pairs(names) do
    reactors[num] = peripheral.wrap(name)
  end
end

function setStatus(stat)
  if stat == "stop" or status == "shutdown" then
    for num,reactor in pairs(reactors) do
      reactor.stopReactor()
    end
  elseif stat == "charge" then
    for num,reactor in pairs(reactors) do
      reactor.chargeReactor()
    end
  elseif stat == "start" then
    for num,reactor in pairs(reactors) do
      reactor.activateReactor()
    end
  end
end

function interface()
  term.clear()
  term.setCursorPos(1,1)
  getStatusData()
  term.write("Status: "..getStatus())
  term.setCursorPos(1,2)
  term.write("Command: ")
  command = read()
  setStatus(command)
end

-- start functions --
setup()
while true do interface() end