-- Mock up of what the ESP chip will be doing
local MQTT = require("mqtt_library")
require("socket")

local target ="dbzoo.eap.app"
require("Frame")

function recv(topic, payload)
   local f = Frame:new(payload)
   state = f:getValue("output.state","state")
   print("STATE: "..state)
end

c = MQTT.client.create("192.168.1.8", nil, recv)
c:connect(target)
topic = target:gsub('%.','/')
c:subscribe({topic})

while (error_message == nil) do
  error_message = c:handler()
  socket.sleep(1.0)  -- seconds
end

if (error_message == nil) then
  c:unsubscribe({topic})
  c:destroy()
else
  print(error_message)
end