#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <DHT.h>

#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "xxxxxxxxxx";


// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "xxxx";
char pass[] = "xxxx";


#define DHTPIN 4          // What digital pin we're connected to
#define DHTTYPE DHT11     // DHT 22, AM2302, AM2321

DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;

// MW: Declare variable out here so they can be accessed in other sub-function, such as checkDelayTimer. I think if you declare them inside the sub-function it is only accessible there. So these would be called global variables.
float h = 0;
float t = 0;
int delayCountdown = 0; // Use this for countdown timing

void sendSensor()
{
  h = dht.readHumidity();
  t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit

  Serial.print(t);
  Serial.print(h);
  
  // You can send any value at any time.
  // Please don't send more that 10 values per second.
  Blynk.virtualWrite(V5, t);
  Blynk.virtualWrite(V6, h);

  if ( (t > 30) && (delayCountdown == 0) )
  {
    delayCountdown = 60;   
    digitalWrite(5, LOW);  
    Blynk.virtualWrite(V2, LOW);    
  }
  
  if (delayCountdown == 1) // slutet av den aktiva fasen 
  {
    digitalWrite(5, HIGH);
    Blynk.virtualWrite(V2, HIGH);    
    delayCountdown = 0;   // tillbaka till startläge
  }
  
  if (delayCountdown > 0)
  {
    delayCountdown--;       
  }
}

void setup()
{
  // Debug console
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  dht.begin();      // Start DHT22 communication
 
  // Setup a function to be called every second
  timer.setInterval(1000L, sendSensor);

  pinMode (5, OUTPUT);
}

BLYNK_WRITE(V2) {
  int buttonState = param.asInt();
  digitalWrite(13, buttonState);  // Just do manual on and off here
}

void loop()
{
  Blynk.run();
  timer.run();
}