// set pin numbers
const int HRbuttonPin = 32;  // the number of the Heater Realy pushbutton pin
const int CRbuttonPin = 33;  // the number of the Heater Realy pushbutton pin
const int HRledPin =  5;    // the number of the LED pin
const int CRledPin =  16;    // the number of the LED pin

// variable for storing the pushbutton status 
int HRbuttonState = 0;
int CRbuttonState = 0;
int HRbuttonCycle=3; // the varible number times adjusted to make sure we don't over shoot target
int CRbuttonCycle=3; // the varible number times adjusted to make sure we don't over shoot target
//int initHRTempPulse = 3; // the initial number of times the switch should be pulsed to increase temp on induction plate
//int initCRTempPulse = 3; // the initial number of times the switch should be pulsed to decrease temp on induction plate
int zeroPulse = 1; // number of passes with relay on and zero pulses

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(HRbuttonPin, INPUT);
  pinMode(CRbuttonPin, INPUT);
  // initialize the LED pin as an output
  pinMode(HRledPin, OUTPUT);
  pinMode(CRledPin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  // read the state of the pushbutton value
  HRbuttonState = digitalRead(HRbuttonPin);
  CRbuttonState = digitalRead(CRbuttonPin);
  
  // check if the pushbutton (relay) is pressed (energized).
  // If it is, the buttonState is HIGH and the temperature of the wash needs to increase
  // HRbuttonCycle = initHRTempPulse;
  if (HRbuttonState == HIGH) {
    Serial.println("Heater Relay Detected ON");
    // turn LED on 5 times at 1 second intervals
    for (int i = 0; i <= HRbuttonCycle; i++) {
        digitalWrite(HRledPin, HIGH);
        delay(1000);
        digitalWrite(HRledPin, LOW);
        delay(1000);
        //Serial.println("initHRTempPulse = ");
        //Serial.println(initHRTempPulse);
        Serial.println("HRbuttonCycle = ");
        Serial.println(HRbuttonCycle);
    }
      // delay 1 minute for cooling 
      // if it hasn't cooled enough (e.g. HR relay = high)
      // we reduce the number of degrees (initTempPulse) we turn down the 
      // incudtion plate
      Serial.println("WAIT BETWEEN CYCLES");
      delay(30000); // delay for 30 seconds **** CHANGE FOR PROD ****
      HRbuttonCycle = HRbuttonCycle - 1 ;
      Serial.println("NEW value for HRbuttonCycle");
      Serial.println(HRbuttonCycle);

      // if we've gone through an entire temp gentle increase cycle of the induction plate
      // then delay long time to let temperature catch up.
      // Then cycle again wtih a smaller pulse start value 
      if (HRbuttonState == HIGH && HRbuttonCycle == 0) {
        Serial.println("LONG wait between cycles");
        delay(60000); // long delay to let temp catch up for induction plate temp change (1 minute) **** CHANGE FOR PROD *****
        HRbuttonCycle = 2; // go through two more temp increase cycles
        Serial.println("STARTING NEW SHORTER CYCLE");
        Serial.println("HRbuttonCycle");
        Serial.println(HRbuttonCycle);
    }
  }

  if (CRbuttonState == HIGH) {
    Serial.println("Heater Relay Detected ON");
    // turn LED on 5 times at 1 second intervals
    for (int i = 0; i <= CRbuttonCycle; i++) {
        digitalWrite(CRledPin, HIGH);
        delay(1000);
        digitalWrite(CRledPin, LOW);
        delay(1000);
        //Serial.println("initCRTempPulse = ");
        //Serial.println(initCRTempPulse);
        Serial.println("CRbuttonCycle = ");
        Serial.println(CRbuttonCycle);
    }
      // delay 1 minute for cooling 
      // if it hasn't cooled enough (e.g. CR relay = high)
      // we reduce the number of degrees (initTempPulse) we turn down the 
      // incudtion plate
      Serial.println("WAIT BETWEEN CYCLES");
      delay(30000); // delay for 30 seconds **** CHANGE FOR PROD ****
      CRbuttonCycle = CRbuttonCycle - 1 ;
      Serial.println("NEW value for CRbuttonCycle");
      Serial.println(CRbuttonCycle);

      // if we've gone tCRough an entire temp gentle increase cycle of the induction plate
      // then delay long time to let temperature catch up.
      // Then cycle again wtih a smaller pulse start value 
      if (CRbuttonState == HIGH && CRbuttonCycle == 0) {
        Serial.println("LONG wait between cycles");
        delay(60000); // long delay to let temp catch up for induction plate temp change (1 minute) **** CHANGE FOR PROD *****
        CRbuttonCycle = 2; // go tCRough two more temp increase cycles
        Serial.println("STARTING NEW SHORTER CYCLE");
        Serial.println("CRbuttonCycle");
        Serial.println(CRbuttonCycle);
    }
  }
}