#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6KL2JSrQ0"
#define BLYNK_TEMPLATE_NAME "SmartHome"
#define BLYNK_AUTH_TOKEN "Drdiv6g-_sV4eAHRGhrZ_js66SIQ7ZFA"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define ECHO_PIN1 15 //Pins for Sensor 1
#define TRIG_PIN1 2  //Pins for Sensor 1

#define ECHO_PIN2 5   //Pins for Sensor 2
#define TRIG_PIN2 18  //Pins for Sensor 2

int LEDPIN1 = 13;
int LEDPIN2 = 12;

BlynkTimer timer;

void sendSensorStatus() {
  float distance1 = readDistance1CM();
  float distance2 = readDistance2CM();

  bool isNearby1 = distance1 > 200;
  bool isNearby2 = distance2 > 200;

  // Update Virtual Pins in Blynk app
  Blynk.virtualWrite(V1, isNearby1); // Update SLOT 1 status on Datastream V1
  Blynk.virtualWrite(V2, isNearby2); // Update SLOT 2 status on Datastream V2
}

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);

  pinMode(LEDPIN1, OUTPUT);
  pinMode(TRIG_PIN1, OUTPUT);
  pinMode(ECHO_PIN1, INPUT);

  pinMode(LEDPIN2, OUTPUT);
  pinMode(TRIG_PIN2, OUTPUT);
  pinMode(ECHO_PIN2, INPUT);

  timer.setInterval(1000L, sendSensorStatus); // Update every 1 second
}

void loop() {
  Blynk.run();
  timer.run();
}

float readDistance1CM() {
  digitalWrite(TRIG_PIN1, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN1, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN1, LOW);
  int duration = pulseIn(ECHO_PIN1, HIGH);
  return duration * 0.034 / 2;
}

float readDistance2CM() {
  digitalWrite(TRIG_PIN2, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN2, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN2, LOW);
  int duration = pulseIn(ECHO_PIN2, HIGH);
  return duration * 0.034 / 2;
}