const int relaySprayPin = 10; // pin that the relay is connected to relay for sprayer
const int relayFanPin = 8; // pin that the relay is connected to relay for fan
const int buttonPinSpray = 2; // pushbutton pin
const int buttonPinFan = 4; // pushbutton pin
int repeat = 12; // Equivalent to time (hour) of start
//int buttonState = 0;

const long sprayTime = 3 * 1000UL; // duration to keep the relay active, in milliseconds
const long fanTime = 5 * 1000UL;
const long interval = 1 * 10 * 1000UL; // Total Duration of cycle
unsigned long startTime; // variable to store the start time
unsigned long startcyclespray; //variable to store each spray cycle start time
unsigned long startcyclefan; //variable to store each fan cycle start time
unsigned long currentime; // store time at each loop start
int relayspray = 0;
int relayfan = 0;
int LED = 0;

void setup() {
  Serial.begin(9600); //comment/uncommemt
  pinMode(relaySprayPin, OUTPUT);
  pinMode(relayFanPin, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(buttonPinSpray, INPUT);
  pinMode(buttonPinFan, INPUT);
 
  startTime = millis(); // store the current time as the start time


  /*/1st run at startup  
  repeat++;
  digitalWrite(relaySprayPin, LOW); // activate the spray relay
  digitalWrite(relayFanPin, LOW); // activate the fan relay
  digitalWrite(LED_BUILTIN, HIGH); //Switch onboard LED ON
  delay(sprayTime); // keep the spray relay active for the specified duration
  digitalWrite(relaySprayPin, HIGH); // deactivate the spray relay
  delay(fanTime - sprayTime); // keep the fan relay active for the remaining specified duration after spary went OFF
  digitalWrite(relayFanPin, HIGH); // deactivate the fan relay
  digitalWrite(LED_BUILTIN, LOW); //Switch onboard LED OFF*/
 
  
}

void loop() {

  currentime = millis();
  
  if (currentime - startTime >= interval) { // check if an hour has passed
    startTime += interval; // increment the start time by an hour
    repeat ++;
    Serial.print("Current Repeat #: ");
    Serial.print(repeat);
    Serial.println("h");
    if (repeat >=7 and repeat <=20){
      digitalWrite(relaySprayPin, LOW); // activate the spray relay
      digitalWrite(relayFanPin, LOW); // activate the fan relay
      startcyclespray = millis();
      startcyclefan = millis();
      relayspray = 1;
      relayfan = 1;
      Serial.println("Spray ON");
      Serial.println("Fan ON");
    } else {
      Serial.println("Nothing happening");
    }
  }

  if (currentime - startcyclespray >= sprayTime and relayspray){
    digitalWrite(relaySprayPin, HIGH); // spray relay OFF
    relayspray = 0;
    Serial.println("Spray OFF");
  }
 
  if (currentime - startcyclefan >= fanTime and relayfan){
    digitalWrite(relayFanPin, HIGH); // fan relay OFF
    relayfan = 0;
    Serial.println("Fan OFF");
  }

  if ((relayspray or relayfan) and LED == 0){
    digitalWrite(LED_BUILTIN, HIGH); //Switch onboard LED ON
    LED = 1;
    Serial.println("On board LED ON");
  }

  if (relayspray == false and relayfan == false and LED){
    digitalWrite(LED_BUILTIN, LOW); //Switch onboard LED OFF
    LED = 0;
    Serial.println("On board LED OFF");
  }

  if(repeat >=24){      
    repeat = 0;
  }

  if (digitalRead(buttonPinSpray) == HIGH and relayspray == 0) {
    digitalWrite(relaySprayPin, LOW); // activate the spray relay
    startcyclespray = millis();
    relayspray = 1;
    Serial.println("Spray ON");
  }

  if (digitalRead(buttonPinFan) == HIGH and relayfan == 0) {
    digitalWrite(relayFanPin, LOW); // activate the fan relay
    startcyclefan = millis();
    relayfan = 1;
    Serial.println("Fan ON");
  }
    
         
}