#include <IRremoteESP8266.h>
#include <ESP8266WiFi.h>
#include <PubSubClient.h>
 
IRsend irsend(4); //an IR led is connected to GPIO pin 0

/*const char* ssid = "bigChief2";
const char* password = "987654321";*/
const char* ssid = "ESP8266 - TEST";
const char* password = "Coconuts09";

const char* mqtt_server = "m21.cloudmqtt.com";

const int led = 5;

WiFiClient espClient;
PubSubClient client(espClient);

void setup()
{
  irsend.begin();
  pinMode(led, OUTPUT);

  Serial.begin(115200);
  WiFi.softAPdisconnect(true);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
  digitalWrite(led, HIGH);

  client.setServer(mqtt_server, 18932);
  client.setCallback(callback);
}

void callback(char* topic, byte* payload, unsigned int length) {
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  for (int i = 0; i < length; i++) {
    Serial.print((char)payload[i]);
  }
  Serial.println();

  if ((char)payload[0] == '0') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xfff807, 32);
    delay(40);
    }
  }
  
  if ((char)payload[0] == '1') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(40);
    }
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xff8877, 32);
    delay(40);
    }
  }

  if ((char)payload[0] == '2') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(40);
    }
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xff38c7, 32);
    delay(40);
    }
  }

  if ((char)payload[0] == '3') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(40);
    }
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffa857, 32);
    delay(40);
    }
  }

  if ((char)payload[0] == '4') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(40);
    }
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffe817, 32);
    delay(40);
    }
  }

  if ((char)payload[0] == '5') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(40);
    }
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xff20df, 32);
    delay(40);
    }
  } 

  if ((char)payload[0] == '6') {
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(40);
    }
    for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xff8877, 32);
    delay(40);
    }
  } 
}

void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Attempt to connect
    if (client.connect("ESP8266Client-LedWeatherSensor", "oilkfgjy", "lEyZb90q49Rf")) {
      Serial.println("connected");
      client.subscribe("temp");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}
 
void loop(void) {
  if(WiFi.status() != WL_CONNECTED){
      digitalWrite(led, LOW);
      Serial.println("Trying to reconnect !");
      while (WiFi.status() != WL_CONNECTED) {
         delay(500);
         Serial.print(".");
      }
      Serial.println("");
      Serial.println("Connected !");
      digitalWrite(led, HIGH);
    }

    if (!client.connected()) {
    digitalWrite(led, LOW);
    reconnect();
  }else{
    digitalWrite(led, HIGH);
    }
  client.loop();
}