#include <ESP32Firebase.h> 
#include <DHT.h> 
#include <WiFi.h> 
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <ESP32Servo.h>
LiquidCrystal_I2C LCD =LiquidCrystal_I2C(0X27,22,21);
#define WIFI_SSID "Wokwi-GUEST" 
#define WIFI_PASSWORD "" 
#define REFERENCE_URL "https://lkkl-de8e5-default-rtdb.firebaseio.com/"  // Your Firebase project reference url
Firebase firebase(REFERENCE_URL);
#define DHTPIN 14 
#define DHTTYPE DHT22  
DHT dht(DHTPIN, DHTTYPE); 
const int LED = 2;
const int FAN = 15;
Servo servo;
//FirebaseData fbdo;

 
void setup() {
  Serial.begin(9600);
  delay(1000);
  WiFi.begin (WIFI_SSID, WIFI_PASSWORD);    
  //Firebase.begin(DATABASE_URL, API_KEY);}
  LCD.init();
  pinMode(LED, OUTPUT);
  //pinMode(FAN, OUTPUT);
  servo.attach(FAN, 500, 2400);
}
void loop() {
  delay(1000); 
  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.println("%  "); 
  Serial.print("lux ");   
  Serial.print(rawValue);  
  Serial.println("%  "); 
  firebase.setFloat( "iottt/lux", rawValue);  
  firebase.setFloat( "iottt/temperature", t); 
  firebase.setFloat ("iottt/humidity", 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);
String led;
led =  firebase.getString("iottt/led");
Serial.print(led);
String fan;  
fan =  firebase.getString("iottt/fan");
Serial.print(fan);

if(led == "1"){
  digitalWrite(LED, HIGH);
}
else{
  digitalWrite(LED, LOW);
}

if(fan == "1"){
    servo.write(90);
}
else{
    servo.write(180);
}
}