#include <ESP32Firebase.h> 
#include <DHT.h> 
#include <WiFi.h> 
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
//LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
LiquidCrystal_I2C LCD =LiquidCrystal_I2C(0X27,22,21);
//#define DATABASE_URL  "https://chithu11-840d8-default-rtdb.firebaseio.com/"
//#define API_KEY "xnsEUSTRiYloy1poHkWpxRKjk2bHyGHIbvsIXsm1"
#define WIFI_SSID "Wokwi-GUEST" 
#define WIFI_PASSWORD "" 
#define REFERENCE_URL "https://kako-b3e0f-default-rtdb.asia-southeast1.firebasedatabase.app/"  // Your Firebase project reference url
Firebase firebase(REFERENCE_URL);
#define DHTPIN 14 
#define DHTTYPE DHT22  
DHT dht(DHTPIN, DHTTYPE); 
//FirebaseData fbdo;

 
void setup() {
  Serial.begin(9600);
  delay(1000);
  WiFi.begin (WIFI_SSID, WIFI_PASSWORD);    
  //Firebase.begin(DATABASE_URL, API_KEY);}
  LCD.init();
}
void loop() {
  delay(500); 
  float h = dht.readHumidity();            
  float t = dht.readTemperature(); 
  int rawValue = analogRead(32); 
  Serial.print("Nhiet do: ");  
  Serial.print(t);    
  Serial.print("*C  ");   
  Serial.print("Do am: ");   
  Serial.print(h);  
  Serial.print("%  "); 
  Serial.print("lux ");   
  Serial.print(rawValue);  
  Serial.println("%  "); 
  firebase.setFloat( "Lux", rawValue);  
  firebase.setFloat( "Nhiet do", t); 
  firebase.setFloat ("Do am", h);   
  
  
  LCD.setCursor(0,1);
 LCD.print("H: ");
 LCD.print(h);
 LCD.setCursor(9,1);
 LCD.print("T: ");
 LCD.print(t);
  LCD.setCursor(0,0);
 LCD.print("Lux: ");
 LCD.print(rawValue);
  }


/*#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 0

void spinner() {
  static int8_t counter = 0;
  const char* glyphs = "\xa1\xa5\xdb";
  LCD.setCursor(15, 1);
  LCD.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }
}

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    LCD.setCursor(0, 1);
    LCD.println("Connection Err");
    return;
  }

  LCD.setCursor(8, 0);
  LCD.println(&timeinfo, "%H:%M:%S");

  LCD.setCursor(0, 1);
  LCD.println(&timeinfo, "%d/%m/%Y   %Z");
}

void setup() {
  Serial.begin(115200);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connecting to ");
  LCD.setCursor(0, 1);
  LCD.print("WiFi ");

  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    spinner();
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  LCD.clear();
  LCD.setCursor(0, 0);
  LCD.println("Online");
  LCD.setCursor(0, 1);
  LCD.println("Updating time...");

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
}

void loop() {
  printLocalTime();
  delay(250);
}*/