// esp8266-12e(2) on motor side, retrieving data from cloudmqtt and sending it via serial (TX->RX) to attiny44

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

const char* ssid = "<MY_SS_ID>";
const char* password = "<MY_PASSWORD>";
const char* mqtt_server = "<MY_MQTT_SERVER>";

WiFiClient espClient;
PubSubClient client(espClient);


void setup_wifi() {

  delay(10);
  Serial.println();
  Serial.print("Connecting to the WiFi network ");
  Serial.print(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected to Wifi network");
  Serial.println(ssid);  
  Serial.println("The IP address of the ESP8266 is: ");
  Serial.println(WiFi.localIP());
}

void callback(char* topic, byte* payload, unsigned int length) {
//  Serial.print("--ESP:");

//  delay(3000);
  for (int i = 0; i < length; i++) {
    Serial.print((char)payload[i]);

  }
//  Serial.println("#");  
  Serial.println();

}



void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting CloudMQTT connection...");
    // Attempt to connect
    if (client.connect("<MY_MQTT_CLIENTID>", "<MY_MQTT_USERNAME>", "<MY_MQTT_PASSWORD>")) {
      Serial.println(" connected");
      // ... and resubscribe
      client.subscribe("MY_MQTT_TOPIC");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}

void setup() {
  Serial.begin(9600);
  setup_wifi();
  client.setServer(mqtt_server, 18821);
  client.setCallback(callback);
}

void loop() {
  


  if (!client.connected()) {
    reconnect();
  }
  client.loop();

}