#include <ESP32Servo.h>

const int pirPin = 2;
const int buzzerPin = 5;
const int servoPin = 18;
#define LED 4

int motionDetected = 0;
bool alarmIsOn = false; //received from the site eventually
bool detectedIntruder = false; 
bool doorsClosed=false;
Servo servo1;

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(LED, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(15, INPUT_PULLUP);

  servo1.attach(servoPin);
  Serial.begin(9600);
}

void loop() {
  motionDetected = digitalRead(pirPin);
  alarmIsOn = digitalRead((15));

  if(alarmIsOn==true) 
  {
    if(motionDetected == HIGH) 
    {
      detectedIntruder = true;
    }

    if(detectedIntruder == true) 
    {
      if(doorsClosed==false)
      {
        for (int pos = 90; pos <= 180; pos += 10) 
        {
        servo1.write(pos);
        delay(15);
        }
      }
      doorsClosed=true;

      digitalWrite(LED, HIGH);
      tone(buzzerPin, 3000, 50);
      tone(buzzerPin, 31, 100);
      delay(200);
      tone(buzzerPin, 31, 100);
      delay(200);
      tone(buzzerPin, 3000, 50);
      tone(buzzerPin, 31, 100);
      delay(200);
      tone(buzzerPin, 31, 100);
      digitalWrite(LED, LOW);
      delay(200);
      tone(buzzerPin, 150, 100);
      delay(170);
      tone(buzzerPin, 11, 150);
      delay(170);
      tone(buzzerPin, 75, 150);
      delay(170);
      tone(buzzerPin, 31, 100);  
    }

  }
  else
  {
    detectedIntruder=false;
    if(motionDetected == HIGH) digitalWrite(LED, HIGH);
    else digitalWrite(LED, LOW);
    if(doorsClosed==true)
      {
        for (int pos = 180; pos >= 90; pos -= 10) 
        {
        servo1.write(pos);
        delay(15);
        }
      }
      doorsClosed=false;
  }










/*
  if (motionDetected == HIGH) {
    digitalWrite(LED, HIGH);
    tone(buzzerPin, 3000, 50);
    tone(buzzerPin, 31, 100);
    delay(200);
    tone(buzzerPin, 31, 100);
    delay(200);
    tone(buzzerPin, 3000, 50);
    tone(buzzerPin, 31, 100);
    delay(200);
    tone(buzzerPin, 31, 100);
    delay(200);
    tone(buzzerPin, 150, 100);
    delay(170);
    tone(buzzerPin, 11, 150);
    delay(170);
    tone(buzzerPin, 75, 100);
    delay(170);
    tone(buzzerPin, 31, 100);
    
  } else {
    digitalWrite(LED, LOW);
    
  }
  delay(500);
  */

}