int motion = 2;
int motionLed = 4;
const int relayPin = D1;
int LightSensor = A0;
int sensorValue = 0; 
long TimeRequestMillis; 
long waitTime = 20000;
bool activate = false;

void setup() {
  Serial.begin(115200);
  
  pinMode(motion, INPUT);
  pinMode(motionLed, OUTPUT);
  pinMode(relayPin, OUTPUT);
  TimeRequestMillis = millis();

  delay(2000);
  
}

void loop()
{
 sensorValue = analogRead(A0); // read the value from the sensor

  unsigned long currentMillis = millis();
  
  long sensor = digitalRead(motion);

  Serial.println(currentMillis - TimeRequestMillis);
  Serial.println(sensorValue);
  

  if(sensor == HIGH && sensorValue<500){
    Serial.println("J'ouvre !");
     digitalWrite (motionLed, HIGH);
     digitalWrite(D1, HIGH);

     TimeRequestMillis = currentMillis;

     activate = true;

     delay(9000);
   }

   if(activate && sensor == HIGH) {
    TimeRequestMillis = currentMillis;
    Serial.println("mouvement, je laisse ouvert");
    delay(2000);
    }
   
   if(activate && (currentMillis - TimeRequestMillis > waitTime)){
    Serial.println("Je ferme");
    digitalWrite (motionLed, LOW);
    digitalWrite(D1, LOW);
    activate = false;
    }

    delay(200);

     
}