#define BLYNK_TEMPLATE_ID "TMPL63a3uzc5S"
#define BLYNK_TEMPLATE_NAME "Home Automation"
#define BLYNK_AUTH_TOKEN "tOU7oidMTjenfZ3KHd67rTBffV4hNb17"


// Comment this out to disable prints and save space
// #define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;


#define button1_pin 26
#define button2_pin 25
#define button3_pin 33
#define button4_pin 32
#define button5_pin 19

#define relay1_pin 13
#define relay2_pin 12
#define relay3_pin 14
#define relay4_pin 27

// pir sensor pin and buzzer pin 
#define pir_sensor_pin 35
#define buzzer_pin 18

int relay1_state = 0;
int relay2_state = 0;
int relay3_state = 0;
int relay4_state = 0;

// current state of pir sensors 

int pirCurrentState = LOW;
int pirPreviousState = LOW;
int val = 5;

//Change the virtual pins according the rooms
#define button1_vpin    V1
#define button2_vpin    V2
#define button3_vpin    V3 
#define button4_vpin    V4

#define pir_vpin2        V6



//------------------------------------------------------------------------------
// This function is called every time the device is connected to the Blynk.Cloud
// Request the latest state from the server
BLYNK_CONNECTED() {
  Blynk.syncVirtual(button1_vpin);
  Blynk.syncVirtual(button2_vpin);
  Blynk.syncVirtual(button3_vpin);
  Blynk.syncVirtual(button4_vpin);
  Blynk.syncVirtual(pir_vpin2);
}

//--------------------------------------------------------------------------
// This function is called every time the Virtual Pin state change
//i.e when web push switch from Blynk App or Web Dashboard
BLYNK_WRITE(button1_vpin) {
  relay1_state = param.asInt();
  digitalWrite(relay1_pin, relay1_state);
}
//--------------------------------------------------------------------------
BLYNK_WRITE(button2_vpin) {
  relay2_state = param.asInt();
  digitalWrite(relay2_pin, relay2_state);
}
//--------------------------------------------------------------------------
BLYNK_WRITE(button3_vpin) {
  relay3_state = param.asInt();
  digitalWrite(relay3_pin, relay3_state);
}
//--------------------------------------------------------------------------
BLYNK_WRITE(button4_vpin) {
  relay4_state = param.asInt();
  digitalWrite(relay4_pin, relay4_state);
  if (relay4_state != 0 ){
        val = val + 5;
      }
}


//--------------------------------------------------------------------------
void setup()
{
  // Debug console
  Serial.begin(115200);
  //--------------------------------------------------------------------
  pinMode(button1_pin, INPUT_PULLUP);
  pinMode(button2_pin, INPUT_PULLUP);
  pinMode(button3_pin, INPUT_PULLUP);
  pinMode(button4_pin, INPUT_PULLUP);
  pinMode(button5_pin, INPUT_PULLUP);
  //--------------------------------------------------------------------
  pinMode(relay1_pin, OUTPUT);
  pinMode(relay2_pin, OUTPUT);
  pinMode(relay3_pin, OUTPUT);
  pinMode(relay4_pin, OUTPUT);
  //--------------------------------------------------------------------
  pinMode(pir_sensor_pin, INPUT);
  pinMode(buzzer_pin, OUTPUT);
  //--------------------------------------------------------------------
  //During Starting all Relays should TURN OFF
  digitalWrite(relay1_pin, HIGH);
  digitalWrite(relay2_pin, HIGH);
  digitalWrite(relay3_pin, HIGH);
  digitalWrite(relay4_pin, HIGH);
  //--------------------------------------------------------------------
  Blynk.begin(auth, ssid, pass);
  //--------------------------------------------------------------------
}

void loop()
{
  Blynk.run();
  timer.run();
  // You can inject your own code or combine it with other sketches.
  // Check other examples on how to communicate with Blynk. Remember
  // to avoid delay() function!
  pirPreviousState = pirCurrentState;
  pirCurrentState = digitalRead(pir_sensor_pin);

  if(relay4_state== 0){
    Blynk.virtualWrite(pir_vpin2, "Thief detection OFF!!");
  }else 
  if(relay4_state == 1){
    if (val >= 0){
      Blynk.virtualWrite(pir_vpin2, "Thief detection ON");
      val = val - 1;
    }
    if (pirPreviousState == LOW && pirCurrentState == HIGH) {
      Serial.println("Motion detected!");
      // digitalWrite(relay4_pin, HIGH);
      digitalWrite(buzzer_pin, HIGH);
      Blynk.virtualWrite(button4_vpin, HIGH);
      Blynk.virtualWrite(pir_vpin2, "Motion Detected");
      Blynk.logEvent("intruderalarm", "Intruder Detected !! " );
      delay(500);
    }
    else
    if(pirPreviousState == HIGH && pirCurrentState == LOW) {
      Serial.println("Motion stopped!");
      // val = 0;
      // digitalWrite(relay4_pin, LOW);
      Blynk.virtualWrite(pir_vpin2, "Motion STOPPED!");
      delay(500);
    }
  }
   
  
  // timer.setInterval(5000L, intruderalarm);
  listen_push_buttons();
  
}

//MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
void listen_push_buttons(){
    //--------------------------------------------------------------------------
    if(digitalRead(button1_pin) == LOW){
      delay(200);
      control_relay(1);
      Blynk.virtualWrite(button1_vpin, relay1_state); //update button state
    }
    //--------------------------------------------------------------------------
    else if (digitalRead(button2_pin) == LOW){
      delay(200);
      control_relay(2);
      Blynk.virtualWrite(button2_vpin, relay2_state); //update button state
    }
    //--------------------------------------------------------------------------
    else if (digitalRead(button3_pin) == LOW){
      delay(200);
      control_relay(3);
      Blynk.virtualWrite(button3_vpin, relay3_state); //update button state
    }
    //--------------------------------------------------------------------------
    else if (digitalRead(button4_pin) == LOW){
      delay(200);
      control_relay(4);
      Blynk.virtualWrite(button4_vpin, relay4_state); //update button state
      if (relay4_state != 0 ){
        val = val + 5;
      }
    }
    else if (digitalRead(button5_pin) == LOW){
      delay(200);
      digitalWrite(buzzer_pin, LOW);
      delay(50);
      
    }
    //--------------------------------------------------------------------------
}
//MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM




//MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
void control_relay(int relay){
  //------------------------------------------------
  if(relay == 1){
    relay1_state = !relay1_state;
    digitalWrite(relay1_pin, relay1_state);
    Serial.print("Relay1 State = ");
    Serial.println(relay1_state);
    delay(50);
  }
  //------------------------------------------------
  else if(relay == 2){
    relay2_state = !relay2_state;
    digitalWrite(relay2_pin, relay2_state);
    delay(50);
  }
  //------------------------------------------------
  else if(relay == 3){
    relay3_state = !relay3_state;
    digitalWrite(relay3_pin, relay3_state);
    delay(50);
  }
  //------------------------------------------------
  else if(relay == 4){
    relay4_state = !relay4_state;
    digitalWrite(relay4_pin, relay4_state);
    delay(50);
  }
  //------------------------------------------------
}
//MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM