#include <WiFi.h>
#include "PubSubClient.h"
#include "ThingsBoard.h"

#define WIFI_SSID       "Wokwi-GUEST"
#define WIFI_PAROL      ""
#define TOKEN           "XjM05VRiBgueQBm60k4g"
#define THINGSBOARD_SERVER  "thingsboard.k-tech.uz"

const int RelayPin = 21; // Relay modulining pin raqami
const int ButtonPin = 12; // Tugma pin raqami

int ButtonState = 0; // Tugma holatini saqlash uchun o'zgaruvchi
int lastButtonState = 0; // Oldingi tugma holatini saqlash uchun o'zgaruvchi
bool RelayState = false; // Relay holatini saqlash uchun o'zgaruvchi

WiFiClient espClient;
ThingsBoard tb(espClient);

void setup() {
  Serial.begin(115200);
  pinMode(RelayPin, OUTPUT);
  pinMode(ButtonPin, INPUT);
  digitalWrite(RelayPin, LOW); // Boshlang'ich holatda Relay o'chiq
  WiFi.begin(WIFI_SSID, WIFI_PAROL);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("WiFi tarmog'iga ulandi");
}

void loop() {
  if (!tb.connected()) {
    if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
      Serial.println("ThingsBoard serveriga ulanishda xato");
      delay(1000);
      return;
    }
  }

  int reading = digitalRead(ButtonPin);
  if (reading != lastButtonState) {
    if (reading == HIGH) {
      RelayState = !RelayState;
      digitalWrite(RelayPin, RelayState ? HIGH : LOW);
      tb.sendAttributeBool("relay_holati", RelayState);
    }
    delay(50); // Debouncing uchun kechikish
  }
  lastButtonState = reading;
  tb.loop();
}