#include <OneWire.h> 
#include <DallasTemperature.h> 



#define CircPump_PIN 12
#define Boiler_PIN 13
#define ONE_WIRE_BUS 2

#define Boiler_Set 60 //--------------------------------------------Boiler Setpoint
#define Boiler_Hys 3 //---------------------------------------------Hysteresis Boiler
#define CircPump_Set 20 //------------------------------------------CircPump Setpoint
#define CircPump_Hys 5 //-------------------------------------------Hysteresis CircPump

OneWire oneWire(ONE_WIRE_BUS); 
DallasTemperature sensors(&oneWire); 

float Boiler_Temp; 
float Out_Temp;

//Driftstæller variabler
bool lastState_Boiler = false;
unsigned int timeBufferTimer_Boiler = 0;
byte timeBufferMinutter_Boiler = 0;
byte timeBufferSekunder_Boiler = 0;
unsigned long timerStart_Boiler = 0;
unsigned int CounterTurnOnTimes_Boiler = 0;

//Driftstæller printer
unsigned long lastPrintUpdate = 0;
unsigned long IntervalPrintUpdate = 1000;//Print besked hver 2s



void setup(){
Serial.begin(9600);

pinMode(CircPump_PIN, OUTPUT);  
pinMode(Boiler_PIN, OUTPUT);
}

void loop() {
sensors.requestTemperatures();
  Boiler_Temp = sensors.getTempCByIndex(0); 
  Out_Temp = sensors.getTempCByIndex(1); 

  if(Boiler_Temp < (Boiler_Set - Boiler_Hys)){ 
    digitalWrite(Boiler_PIN, HIGH); 
  }
  else if(Boiler_Temp > (Boiler_Set)){
    digitalWrite(Boiler_PIN, LOW); 
   }

if(Out_Temp < (CircPump_Set - CircPump_Hys)){ 
    digitalWrite(CircPump_PIN, HIGH); 
  }
  else if(Out_Temp > (CircPump_Set)){
    digitalWrite(CircPump_PIN, LOW); 
  }  
//Driftstæller
  if(digitalRead(Boiler_PIN) != lastState_Boiler){//LEDen har ændret tilstand
    if(lastState_Boiler){//Den er gået fra tændt til slukket
      timeBufferSekunder_Boiler += (millis() - timerStart_Boiler)/1000;//Lægger tiden som var gået siden sidste tænd, til bufferen
      
    }else{//Den er gået fra slukket til tændt
      timerStart_Boiler = millis();
      CounterTurnOnTimes_Boiler++; //Læg 1 til. Samme som CounterTurnOnTimes_LED = CounterTurnOnTimes_LED + 1
      
    }
    lastState_Boiler = digitalRead(Boiler_PIN);
  }

  // - Tidsskifte kode s -> min -> timer -> dage
  if(millis() - timerStart_Boiler > 1000 && digitalRead(Boiler_PIN)){//Tæller ref har opnået over 1s opsparet tid. Overfør til buffer.
    timeBufferSekunder_Boiler++;//Læg 1s til sekund buffer
    timerStart_Boiler += 1000;//Skub timer start 1s frem.

    if(timeBufferSekunder_Boiler > 59){//Sekundbuffer har opnået 60s. Overfør til minut tæller.
      timeBufferSekunder_Boiler -= 60;//Trækker 60 fra
      timeBufferMinutter_Boiler++;

      if(timeBufferMinutter_Boiler > 59){//60min = 1 time
        timeBufferMinutter_Boiler -= 60;
        timeBufferTimer_Boiler++;

        
      }
    }
  }

  //Printer driftstid
  if(millis() - lastPrintUpdate > IntervalPrintUpdate){
    Serial.print("Running_Time_Boiler: ");    
    Serial.print(timeBufferTimer_Boiler);
    Serial.print("h ");
    Serial.print(timeBufferMinutter_Boiler);
    Serial.print("m ");
    Serial.print(timeBufferSekunder_Boiler);
    Serial.print("s ");//Printer sekunder s tegn

    Serial.print("/ Start_Up: ");
    Serial.print(CounterTurnOnTimes_Boiler);
    Serial.print(" times");

    Serial.print("  / Boiler_Temp: ");
    Serial.print(Boiler_Temp); 

    Serial.print(" / Out_Temp: ");
    Serial.println(Out_Temp);


    lastPrintUpdate = millis();
  }
  


}