#define BLYNK_TEMPLATE_ID "TMPL3rXG5L_ba"
#define BLYNK_TEMPLATE_NAME "HOME AUTOMATION"
#define BLYNK_AUTH_TOKEN "vYyLSr9-kG-2-fY_KNSaekWV_i38m8m5"

#define BLYNK_PRINT Serial

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

// Replace with your WiFi credentials
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

const int relayPin1 = 23;
const int relayPin2 = 22;
const int switchPin1 = 19;
const int switchPin2 = 18;

bool switchState1 = LOW;
bool switchState2 = LOW;
bool relayState1 = LOW;
bool relayState2 = LOW;

BlynkTimer timer;

// Function to check the state of physical switches
void checkPhysicalSwitch() {
  bool currentSwitchState1 = digitalRead(switchPin1) == LOW; // Switch connected to GND with INPUT_PULLUP
  bool currentSwitchState2 = digitalRead(switchPin2) == LOW; // Switch connected to GND with INPUT_PULLUP

  if (currentSwitchState1 != switchState1) {
    switchState1 = currentSwitchState1;
    Serial.print("Switch 1 state changed to: ");
    Serial.println(switchState1);
    relayState1 = switchState1; // Set relay state to match switch state
    digitalWrite(relayPin1, relayState1);
    Blynk.virtualWrite(V1, relayState1); // Update Blynk app
    Serial.print("Relay 1 state: ");
    Serial.println(relayState1);
  }

  if (currentSwitchState2 != switchState2) {
    switchState2 = currentSwitchState2;
    Serial.print("Switch 2 state changed to: ");
    Serial.println(switchState2);
    relayState2 = switchState2; // Set relay state to match switch state
    digitalWrite(relayPin2, relayState2);
    Blynk.virtualWrite(V2, relayState2); // Update Blynk app
    Serial.print("Relay 2 state: ");
    Serial.println(relayState2);
  }
}

// Blynk write functions to handle virtual button presses from the app
BLYNK_WRITE(V1) {
  relayState1 = param.asInt();
  digitalWrite(relayPin1, relayState1);
  Serial.print("Blynk V1 state: ");
  Serial.println(relayState1);
}

BLYNK_WRITE(V2) {
  relayState2 = param.asInt();
  digitalWrite(relayPin2, relayState2);
  Serial.print("Blynk V2 state: ");
  Serial.println(relayState2);
}

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

  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");

  pinMode(relayPin1, OUTPUT);
  pinMode(relayPin2, OUTPUT);
  pinMode(switchPin1, INPUT_PULLUP);
  pinMode(switchPin2, INPUT_PULLUP);

  digitalWrite(relayPin1, relayState1);
  digitalWrite(relayPin2, relayState2);

  timer.setInterval(100L, checkPhysicalSwitch); // Check the physical switch state every 100ms
}

void loop() {
  Blynk.run();
  timer.run(); // Run the Blynk timer to check the physical switches
}