pinblue = 3
pinred = 4

gpio.mode(pinblue,gpio.OUTPUT)
gpio.mode(pinred,gpio.OUTPUT)
gpio.write(pinblue,gpio.LOW)
gpio.write(pinred,gpio.LOW)

chipid = node.chipid()

m = mqtt.Client(chipid, 120, "esp", "esp")

m:lwt("/lwt", wifi.sta.getmac(), 0, 0)

m:on("offline", function(con)
     print ("reconnecting...")
     print(node.heap())
     tmr.alarm(1, 10000, 0, function()
          m:connect("192.168.100.45", 1883, 0)
     end)
end)

-- on publish message receive event
m:on("message", function(conn, topic, data)
  print(topic .. ":" )
  if data ~= nil then
    print(data)
  end
  if string.match(topic,'red') then
     pin = pinblue
  end
  if string.match(topic,'blue') then
     pin = pinred
  end
  if  data == "On" then
     gpio.write(pin,gpio.HIGH)
  end
  if  data == "Off" then
     gpio.write(pin,gpio.LOW)
  end

end)

tmr.alarm(0, 1000, 1, function()
 if wifi.sta.status() == 5 then
     tmr.stop(0)
     m:connect("92.168.100.45", 1883, 0, function(conn)
          print("connected")
          m:subscribe("actions/#",0, function(conn)
          m:publish("esp8266/".. chipid ,chipid,0,0, function(conn) print("sent") end)
          end)
     end)
 end
end)