#define BLYNK_TEMPLATE_ID "TMPL6pF40xs42"
#define BLYNK_TEMPLATE_NAME "WIFI MODULE"
#define BLYNK_AUTH_TOKEN "sBPeKMZejUsi6t3fgqyt3wvU1xvT5FLz"

// 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 17
#define button2_pin 16

#define relay1_pin 23
#define relay2_pin 22

int relay1_state = 0;
int relay2_state = 0;

// Change the virtual pins according to the rooms
#define button1_vpin    V1
#define button2_vpin    V2

//------------------------------------------------------------------------------
// 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);
}

//--------------------------------------------------------------------------
// This function is called every time the Virtual Pin state changes
// i.e when the 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);
}

void setup() {
  // Debug console
  Serial.begin(115200);

  pinMode(button1_pin, INPUT_PULLUP);
  pinMode(button2_pin, INPUT_PULLUP);

  pinMode(relay1_pin, OUTPUT);
  pinMode(relay2_pin, OUTPUT);

  digitalWrite(relay1_pin, HIGH);
  digitalWrite(relay2_pin, HIGH);

  Blynk.begin(auth, ssid, pass);
}

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

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
  }
}

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);
  }
}