LightCtrl

enabled = true

function ack(comm, success)
  local out = ""
  if success == true then
    out = string.format("%s %s %s ack", comm[1], comm[0], comm[2])
  elseif success == false then
    out = string.format("%s %s %s nack", comm[1], comm[0], comm[2])
  end
  rednet.broadcast(out, "LightControl")
end

function process(comm)
  if comm[3] == "on" then
    rs.setOutput(comm[2], true)
    if rs.getOutput(comm[2]) == true then
      print(string.format("Host %s activated lights on %s side", comm[0], comm[2]))
      ack(comm, true)
    else
      print(string.format("Host %s attempted to activate lights on %s side.  An error occurred.", comm[0], comm[2]))
      ack(comm, false)
    end
  elseif comm[3] == "off" then
    rs.setOutput(comm[2], false)
    if rs.getOutput(comm[2]) == false then
      print(string.format("Host %s deactivated lights on %s side", comm[0], comm[2]))
      ack(comm, true)
    else
      print(string.format("Host %s attempted to deactivate lights on %s side.  An error occurred", comm[0], comm[2]))
      ack(comm, false)
    end
  elseif comm[3] == "state" then
    out = string.format("%s %s %s %s", comm[1], comm[0], comm[2], tostring(rs.getOutput(comm[2])))
    rednet.broadcast(out, "LightControl")
  else
    print(string.format("Host %s issued an invalid command: %s %s", comm[0], comm[2], comm[3]))
  end
end