engines

args = {...}
if #args > 0 then
  name = table.concat(args, " ")
else
  error("Provide a name")
end

shell.run("clear")
local rside = "front"
rednet.open("top")

uID = name..":"..os.getComputerID()

while true do
  print(uID," - Waiting for input...")
  sId, msg, prot = rednet.receive("engines")
  local replymsg
  local trim = msg:find(" ")
  if trim ~= nil then
    isvalid = true
    cmd = msg:sub(trim):gsub("%s+","")

    if cmd == "on" then
      rs.setOutput(rside, true)
    elseif cmd == "off" then
      rs.setOutput(rside, false)
    elseif cmd == "status" then
      -- do nothing
    elseif cmd == "ids" then
      replymsg = uID
    else
      isvalid = false
    end

    if isvalid and replymsg == nil then
      replymsg = uID.." - Engines Running: "..tostring(rs.getOutput(rside)).."|green"
    elseif replymsg ~= nil then
      -- do nothing
    else
      replymsg = uID.." - Invalid Command|red"
    end
  else
    replymsg = uID.." - Invalid Command|red"
  end

  rednet.send(sId, replymsg, prot)
  print(replymsg:sub(1,replymsg:find("|")-1))
end

rednet.close("top")