#define BLYNK_TEMPLATE_ID "TMPL63PasRq3g"
#define BLYNK_TEMPLATE_NAME "Smart Home"
#define BLYNK_AUTH_TOKEN "qLfIBqz1aZroUonegtKGpIF3EIu4vQyK"

// Comment this out to disable prints and save space
#define BLYNK_PRINT Serial


#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define DHTPIN 26
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);

char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

#define pir_red 27
#define pir_blue 15
#define buzzer 18
#define button_door 19

#define LampuBiru 25
#define LampuMerah 5
#define Fan 2
#define Door 23


int pir_blue_State      = 0;
int pir_red_State      = 0;
int blue_state    = 0;
int red_state     = 0;
int fan_state     = 0;
int door_state    = 0;
int gerak         = 0; 



//Change the virtual pins according the rooms
#define pir_vblue        V0
#define pir_vred         V1
#define button_vdoor     V3
#define temp             V4



BLYNK_CONNECTED(){
  Blynk.syncVirtual(pir_vblue);
  Blynk.syncVirtual(pir_vred );
  Blynk.syncVirtual(button_vdoor);
  Blynk.syncVirtual(temp);
  
}

// This function is called every time the Virtual Pin state change
//i.e when web push switch from Blynk App or Web Dashboard
BLYNK_WRITE(pir_vblue) {
  blue_state = param.asInt();
  digitalWrite(LampuBiru, blue_state);
}

BLYNK_WRITE(pir_vred) {
  red_state = param.asInt();
  digitalWrite(LampuMerah, red_state);
}


BLYNK_WRITE(button_vdoor) {
  door_state = param.asInt();
  digitalWrite(Door, door_state);
    tone(buzzer, 30);
     delay(500);
     noTone(buzzer);
     delay(200);
}







void setup() {
  // Debug Console
  Serial.begin(115200);
  dht.begin();
  timer.setInterval(2500L, sendSensor);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Connecting to ");
  lcd.setCursor(0, 1);
  lcd.print("WiFi . . . ");
  
  
  pinMode(pir_blue,     INPUT_PULLUP);
  pinMode(pir_red,      INPUT_PULLUP);
  pinMode(button_door,  INPUT_PULLUP);

  pinMode(buzzer,     OUTPUT);  
  pinMode(LampuBiru,  OUTPUT);
  pinMode(LampuMerah, OUTPUT);
  pinMode(Fan,        OUTPUT);
  pinMode(Door,       OUTPUT);

  //During Starting all Relays should TURN OFF
  digitalWrite(buzzer,     HIGH);
  digitalWrite(LampuBiru,  HIGH);
  digitalWrite(LampuMerah, HIGH);
  digitalWrite(Fan,        HIGH);
  digitalWrite(Door,       HIGH);
  
  
  Blynk.begin(auth, ssid, pass);


  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("      WiFi ");
  lcd.setCursor(0, 1);
  lcd.print("   Connected");
  delay(3000);

  tone(buzzer, 30);
  delay(500);
  noTone(buzzer);
  delay(200);
  lcd.clear();


}



void loop() {
  Blynk.run();
  timer.run();
  listen_pir();
  selenoid_door ();
}



void listen_pir(){

  int blue = digitalRead(pir_blue);  // read input value
  int red = digitalRead(pir_red);
  blue_state == blue ;
  pir_red == red ;

  
  if (blue == HIGH && red == LOW) {            // check if the input is HIGH
    if(blue_state == LOW && red_state == LOW){
    digitalWrite(LampuBiru, HIGH);  // turn LED ON
    digitalWrite(LampuMerah, LOW); 
    }
    Blynk.virtualWrite(pir_vblue, blue);
    Blynk.virtualWrite(pir_vred, red); //update button state

    if(blue_state == LOW){
      digitalWrite(LampuBiru, LOW);
    }

    if(red_state == HIGH && blue_state == HIGH ){
     digitalWrite(LampuMerah,HIGH);
      digitalWrite(LampuBiru, HIGH);
    }




    if (pir_blue_State == LOW) {
      // we have just turned on
      Serial.println("Ada Gerakan!");
      // We only want to print on the output change, not state
      pir_blue_State = HIGH;
    if (pir_blue_State == HIGH){
      lcd.clear();
      Serial.print("Lampu 1 Menyala ");
      lcd.setCursor (0,0);
      lcd.println ("   Lampu 1");
      lcd.setCursor(0, 1);
      lcd.println("      ON");
    } 
    }

    else  {
    if (pir_blue_State == HIGH) {
      // we have just turned of
      Serial.println("Gerakan Berhenti!");
      // We only want to print on the output change, not state
      pir_blue_State = LOW;
    }
  }
  






  }





 if (blue == LOW && red == HIGH) {            // check if the input is HIGH

    if(blue_state == LOW && red_state == LOW){
      digitalWrite(LampuBiru, LOW);  // turn LED ON
      digitalWrite(LampuMerah, HIGH); 
    }  
    Blynk.virtualWrite(pir_vblue, blue);
    Blynk.virtualWrite(pir_vred, red); //update button state

    if(blue_state == HIGH){
      digitalWrite(LampuBiru, HIGH);
    }

    if(red_state == LOW){
     digitalWrite(LampuMerah,LOW);
    }

     if (pir_red_State == LOW) {
      // we have just turned on
      Serial.println("Ada Gerakan!");
      // We only want to print on the output change, not state
      pir_red_State = HIGH;
      if(pir_red_State == HIGH){
         lcd.clear();
        Serial.print("Lampu 2 Menyala ");
        lcd.setCursor (0,0);
        lcd.println ("   Lampu 2");
        lcd.setCursor(0, 1);
        lcd.println("      ON");

      }
    }
  else  {
    if (pir_red_State == HIGH) {
      // we have just turned of
      Serial.println("Gerakan Berhenti!");
      // We only want to print on the output change, not state
      pir_red_State = LOW;
    }
  }






  }
  

 if (blue == HIGH && red == HIGH) {            // check if the input is HIGH
    digitalWrite(LampuBiru, HIGH);  // turn LED ON
    digitalWrite(LampuMerah, HIGH); 
    
    Blynk.virtualWrite(pir_vblue, blue );
    Blynk.virtualWrite(pir_vred, red); //update button state

    if(blue == LOW){
      digitalWrite(LampuBiru, LOW);
    }

     if(red == LOW){
     digitalWrite(LampuMerah,LOW);
    }
  }



 if (blue == LOW && red == LOW) {            // check if the input is HIGH
    if(blue_state == LOW && red_state == LOW){
    digitalWrite(LampuBiru, LOW);  // turn LED ON
    digitalWrite(LampuMerah, LOW); 
    }
      
    if(blue_state == HIGH && red_state == LOW){
      digitalWrite(LampuBiru, HIGH);
      digitalWrite(LampuMerah, LOW); 
    }

     if(red_state == HIGH && blue_state == LOW ){
     digitalWrite(LampuMerah,HIGH);
     digitalWrite(LampuBiru, LOW);
    }

    if(red_state == HIGH && blue_state == HIGH ){
     digitalWrite(LampuMerah,HIGH);
     digitalWrite(LampuBiru, HIGH);
    }

    Blynk.virtualWrite(pir_vblue, blue_state);
    Blynk.virtualWrite(pir_vred, red_state); 



  }



    

}

void selenoid_door (){
if(digitalRead(button_door) == LOW){
     tone(buzzer, 30);
     delay(500);
     noTone(buzzer);
     delay(200);
     control_relay(3);
     Blynk.virtualWrite(button_vdoor, door_state) ; //update button state
    }

}

void control_relay(int relay){
    

if(relay == 3){
    lcd.clear();
    door_state = !door_state;
    digitalWrite(Door, door_state);
    Serial.print("Kondisi = ");
    Serial.println(door_state);
    lcd.setCursor (0,0);
    lcd.println ("      Door");
    lcd.setCursor(0, 1);
    if(door_state == HIGH){
    lcd.println("      ON");
    }
    else if(door_state == LOW){
    lcd.println("      OFF");
    }
    delay(50);


  }
    

}


void sendSensor(){
float t = dht.readTemperature();
  if (t >= 30){
  digitalWrite(Fan, HIGH);
 

  }
  
  else if (t < 30) {
  //&& (fan_state == LOW)||(fan_state == HIGH)){
  digitalWrite(Fan, LOW);
  }
  
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Temperature");
  lcd.setCursor(0,1);
  lcd.print("= ");
  lcd.print(t);
  lcd.print ("  *C");
  delay(1000);

  
Blynk.virtualWrite(temp, t);



}