#include <FirebaseESP32.h>
#include <DHT.h>
#include <WiFi.h>

#define DATABASE_URL "iot-lab-lld-default-rtdb.firebaseio.com"
#define DATABASE_SECRET "qsWh9XPKZV3B1ZEJhATl7NSYVNaET8sPPnMHe5cA"
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define DHTPIN1 14 
#define DHTPIN2 15
#define DHTTYPE DHT22   
#define LED 2

DHT dht1(DHTPIN1, DHTTYPE);
DHT dht2(DHTPIN2, DHTTYPE);


FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;

void setup() {
  pinMode(LED, OUTPUT);
  Serial.begin(9600);
  WiFi.begin (WIFI_SSID, WIFI_PASSWORD);
  Serial.print("Dang ket noi");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  dht1.begin();
  dht2.begin();
  Serial.println ("");
  Serial.println ("Da ket noi WiFi!");
  Serial.println(WiFi.localIP());

  config.database_url = DATABASE_URL;
  config.signer.tokens.legacy_token = DATABASE_SECRET;
  Firebase.reconnectNetwork(true);
  Firebase.begin(&config, &auth);
}

void loop() {
  float h1 = dht1.readHumidity() + random(-15, 16) / 10.0;
  float t1 = dht1.readTemperature() + random(-20, 21) / 10.0;
  float h2 = dht2.readHumidity() + random(-15, 16) / 10.0;
  float t2 = dht2.readTemperature() + random(-20, 21) / 10.0; 
  if (isnan(h1) || isnan(t1)) {
    Serial.println("Failed to read from DHT1 sensor!");
    return;
  }
  if (isnan(h2) || isnan(t2)) {
    Serial.println("Failed to read from DHT2 sensor!");
    return;
  }
  Serial.println("Sending_data");
  Firebase.setFloat(fbdo,"Nhiet Do", t1);
  Firebase.setFloat(fbdo,"Do Am", h1);
  Firebase.setFloat(fbdo,"Nhiet Do Ngoai Troi", t2);
  Firebase.setFloat(fbdo,"Do Am Ngoai Troi", h2);
  Serial.println("Sucess!");
  digitalWrite(LED, HIGH);
  delay(500);
  digitalWrite(LED, LOW);
  delay(500);
}