#include "FirebaseESP32.h"
#include "DHT.h"
#include <string.h>

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define FIREBASE_HOST "https://iotapp-7a482-default-rtdb.firebaseio.com/"
#define FIREBASE_AUTH "EAAyn8LHjC6zTx8wCEfx4w11XkuonYw2n0Out7E4"
FirebaseData fbdo;

// DHT define
#define DHTTYPE DHT22   // DHT 22
#define DHTPIN 15
DHT dht(DHTPIN, DHTTYPE);

// Define LED
#define LED 27


WiFiClient  client;

int D_value;
unsigned long dataMillis = 0;

void setup()
{
  Serial.begin(115200); //Initialize serial
  // Debug console
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
  dht.begin();

  WiFi.begin(ssid,pass);
  Serial.print("Connecting to Wi-Fi");
  while (WiFi.status() != WL_CONNECTED)
  {
      Serial.print(".");
      delay(100);
  }
  
  Serial.println();
  Serial.print("Connected with IP: ");
  Serial.println(WiFi.localIP());
  Serial.println();

  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
}

void loop()
{
  // Read Temp
  float t = dht.readTemperature();
  // Read Humi
  float h = dht.readHumidity();
  // Check isRead ?
  if (isnan(h) || isnan(t)) {
    delay(500);
    Serial.println("Failed to read from DHT sensor!\n");
    return;
  }

  Serial.print("\n");
  Serial.print("Humidity: " + String(h) + "%");
  Serial.print("\t");
  Serial.print("Temperature:" + String(t) + " C");
  delay(200);

  Firebase.setFloat(fbdo,"Nhiet do", t);
  Firebase.setFloat(fbdo,"Do am", h);

  if(h>30){
    D_value = 1;
  }
  else D_value = 0;

  if (D_value) {
    digitalWrite(LED, HIGH);
  }
  else  digitalWrite(LED, LOW);
}