int isLoop = 1;
unsigned long previousMillis = 0; // Stores the last time the action was updated
const long interval = 3000;
int reset = 0;

void setup() {
  pinMode(7, OUTPUT); // Configure pin 7 as an Output
  pinMode(8, OUTPUT); // Configure pin 8 as an Output
  pinMode(2, INPUT_PULLUP); //green start/pause
  pinMode(3, INPUT_PULLUP); //red stop
  pinMode(4, INPUT_PULLUP); //yellow button reset

  digitalWrite(7, LOW); // Initialize pin 7 as Low
  digitalWrite(8, LOW); // Initialize pin 7 as Low

}

void loop() {

  if (digitalRead(2) == LOW) {
    while (isLoop) {
      unsigned long currentMillis = millis();

      if (currentMillis - previousMillis >= interval) {
        previousMillis = currentMillis; // Save the last update time
        
        // Toggle the actuator direction
        if (digitalRead(7) == LOW) {
          digitalWrite(7, HIGH);
          digitalWrite(8, LOW);
          // Serial.print("retract");
        } else {
          digitalWrite(7, LOW);
          digitalWrite(8, HIGH);
          // Serial.print("extend");
        }
      }
      
      // if(digitalRead(4) == LOW){
      //   isLoop = 0;
      //   digitalWrite(7, HIGH);
      //   digitalWrite(8, LOW);
      //   // delay(3000);
      //   //break; // Exit the loop as soon as button 4 is pressed and the state is set
      // }

      // Check button 3 state without delay
      if (digitalRead(3) == LOW) {
        isLoop = 0; // Exit loop immediately
        digitalWrite(7, LOW); // Stop the actuator
        digitalWrite(8, LOW);
        reset = 1;
        break; // Exit the while loop
      }
    }
    
  }
  if(reset && digitalRead(4) == LOW){
      isLoop = 0;
      digitalWrite(7, HIGH);
      digitalWrite(8, LOW);
      reset = 0;
      // delay(3000);
      //break; // Exit the loop as soon as button 4 is pressed and the state is set
  }
  isLoop = 1; // Reset isLoop for the next cycle
  // Ensuring actuators are stopped before leaving the loop
  // digitalWrite(7, LOW);
  // digitalWrite(8, LOW);
  
}