#define Lsensor A0
#define echo 3
#define trig 4
#include <DHT.h>
#include <Servo.h>
DHT dht1(2, DHT22);
Servo window;
Servo door;

void setup() {
  Serial.begin(9600);
  dht1.begin();
  window.attach(10);

  pinMode(echo, INPUT);
  pinMode(trig, OUTPUT);

  door.attach(11);

}

void loop() {
  int light = 1023 - analogRead(0);
  int lightPercent = map(light , 0 , 1023, 0 , 100);
  /*Serial.print("light percent is");
  Serial.println(lightPercent);
  delay(100);*/

  float tprt = dht1.readTemperature();
  if (lightPercent > 30 && tprt > 30){
    window.write(180);
  }
  else{
    window.write(0); // we close it
  }

  digitalWrite(trig, LOW);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  int time= pulseIn(echo, HIGH);
  float distance = (time/2) * 0.0343;
  /*Serial.print("la distance est");
  Serial.println(distance);
  delay(30); */
  if (lightPercent >30 && distance <50){
    door.write(180);
    delay(5000); // 5 seconds are enough to keep the door open then close it
    door.write(0);
  }
  else{
    door.write(0); // keep it close
  } 



}