#define WOKWI  // Định nghĩa trước khi include thư viện ERa

#include <WiFi.h>
#include <DHT.h>
#include <driver/ledc.h>  // Phải có dòng này!
#include <ERa.hpp>
#include <ERaSimpleEsp32.hpp>

#define DHTPIN     4
#define DHTTYPE    DHT22
#define MQ2PIN     36
#define FLAME_PIN  18
#define LED_PIN    27

#define V0 0
#define V1 1
#define V2 2
#define V3 3
#define V4 4  // led_control
#define V5 5  // ledState

DHT dht(DHTPIN, DHTTYPE);
bool ledStatus = false;

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
  pinMode(FLAME_PIN, INPUT);
  dht.begin();

  ERa.begin();

#ifndef WOKWI
  ERa.onWrite(V4, [](ERaData data) {
    ledStatus = data.toBool();
    digitalWrite(LED_PIN, ledStatus);
    ERa.virtualWrite(V5, ledStatus);
  });
#endif
}

void loop() {
  ERa.run();

  float temp = dht.readTemperature();
  float hum = dht.readHumidity();
  int gas = analogRead(MQ2PIN);
  int flame = digitalRead(FLAME_PIN);

  ERa.virtualWrite(V0, temp);
  ERa.virtualWrite(V1, hum);
  ERa.virtualWrite(V2, gas);
  ERa.virtualWrite(V3, flame == LOW ? 1 : 0);

  if (temp > 60 || gas > 1200 || flame == LOW) {
    digitalWrite(LED_PIN, HIGH);
    ERa.virtualWrite(V5, true);
  } else {
    digitalWrite(LED_PIN, ledStatus);
    ERa.virtualWrite(V5, ledStatus);
  }

  delay(2000);
}