#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6odLv8gbV"
#define BLYNK_TEMPLATE_NAME "TempDHT"
#define BLYNK_AUTH_TOKEN "as_Lm3Sm2R2t7H_3D185zP-t_KYbF_R5"

#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <PubSubClient.h>
#include <Servo.h>

// Pins
#define LED_PIN 2
#define RELAY_PIN 5
#define SERVO_PIN 18

// MQTT and Blynk settings
const char* mqtt_server = "broker.hivemq.com"; // HiveMQ Broker
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// MQTT client
WiFiClient espClient;
PubSubClient client(espClient);
Servo myServo;

BlynkTimer timer;

void setup() {
  Serial.begin(115200);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  client.setServer(mqtt_server, 1883);
  myServo.attach(SERVO_PIN);
  pinMode(LED_PIN, OUTPUT);
  pinMode(RELAY_PIN, OUTPUT);
  timer.setInterval(1000L, sendStatus);
}

void sendStatus() {
  Blynk.virtualWrite(V0, digitalRead(LED_PIN));  // Send LED state to Blynk
  Blynk.virtualWrite(V1, digitalRead(RELAY_PIN));  // Send Relay state to Blynk
}

void loop() {
  Blynk.run();
  client.loop();
  timer.run();
  if (Blynk.virtualRead(V4) == 1) {
    digitalWrite(LED_PIN, HIGH);  // Turn on LED from Blynk
  } else {
    digitalWrite(LED_PIN, LOW);   // Turn off LED
  }

  if (Blynk.virtualRead(V5) == 1) {
    digitalWrite(RELAY_PIN, HIGH);  // Turn on Relay from Blynk
  } else {
    digitalWrite(RELAY_PIN, LOW);   // Turn off Relay
  }
}

void reconnect() {
  while (!client.connected()) {
    if (client.connect("ESP32Client")) {
      client.subscribe("control_topic");  // Subscribe to control topic
    }
  }
}