#include <WiFi.h>
#include <FirebaseESP32.h>
#include <addons/TokenHelper.h>
#include "DHT.h"

#include <LiquidCrystal_I2C.h>

#define TempSensor 15
#define DHTTYPE DHT22
DHT dht(TempSensor, DHTTYPE);


//Wifi config

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

//Define DB url&Api

#define API_KEY "AIzaSyCylF2AOLVjR0BTYz9JCOE-n_oHlvUSTfQ"
#define DATABASE_URL "https://smart-app1-default-rtdb.asia-southeast1.firebasedatabase.app/"

//Define Email&Pw

#define USER_EMAIL "[email protected]"
#define USER_PASSWORD "123456"

//Define data obj firebase

FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;


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






void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  LCD.init();
  LCD.backlight();
  LCD.print("Welcome");
  delay(1000);
  LCD.clear();

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

  while(WiFi.status() != WL_CONNECTED){
    Serial.print(".");
    delay(300);

  }
  Serial.println();
  Serial.print("connect with IP: ");
  Serial.println(WiFi.localIP());
  Serial.println();

  config.api_key =API_KEY;
  config.database_url =DATABASE_URL;

  auth.user.email = USER_EMAIL;
  auth.user.password = USER_PASSWORD;

  config.token_status_callback = tokenStatusCallback;

  Firebase.begin(&config,&auth);
  Firebase.reconnectWiFi(true);

  pinMode(14, OUTPUT);

}
String x="";

void loop() {

  float tempState = dht.readTemperature();
  float humidity = dht.readHumidity();

    if (Firebase.set(fbdo, "/temperature", tempState)) {
    Serial.println("Temperature sent to Firebase!");
  } else {
    Serial.println("Failed to send temperature to Firebase.");
    Serial.println("Error: " + fbdo.errorReason());
  }

if(Firebase.getString(fbdo,"/status")){
  if(fbdo.dataType()=="string"){
    x=fbdo.stringData();

    Serial.print("Data Recieves: ");
    Serial.println(x);
  }
}

if(tempState >40){
  x = "ON";
  Firebase.set(fbdo, "/status", x);
  LCD.print("Temp: " + String(tempState) +"%c");
  delay(1000);
  LCD.clear();
}else{
  x="OFF";
  Firebase.set(fbdo, "/status", x);
  LCD.print("Temp: "+ String(tempState) +"%c");
  delay(1000);
  LCD.clear();
}

if( x == "ON"){
  digitalWrite(14, HIGH);
  digitalWrite(32, HIGH);
  tone(32,1000,250);
  delay(300);
  digitalWrite(32, LOW);
  delay(300);
}
else{
  digitalWrite(14, LOW);
}
}

/*
public class MainActivity extends AppCompatActivity {

    Button button,button1;
    TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button = (Button) findViewById(R.id.button3);
        button1 = (Button) findViewById(R.id.button4);
        textView = (TextView) findViewById(R.id.id1);


        FirebaseDatabase database = FirebaseDatabase.getInstance();

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                DatabaseReference myRef = database.getReference("status");
                myRef.setValue("ON");

            }
        });

        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                DatabaseReference myRef = database.getReference("status");
                myRef.setValue("OFF");
            }
        });

        DatabaseReference temp = database.getReference("temperature");

        temp.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot snapshot) {
                if(snapshot.exists()){
                    float temp = snapshot.getValue(float.class);
                    textView.setText(String.valueOf(temp));
                }
            }

            @Override
            public void onCancelled(@NonNull DatabaseError error) {

            }
        });

*/