/**************************************************
*  Activity 8: ESP32 IR Relay Challenge: Unleash  *
*       the Power of Remote Control               * 
*  SUBMITTED BY: ALO, CHRISTINE                   * 
*  SUBMITTED TO: PROF. MICHAEL T. SAMONTE         * 
**************************************************/

#include <IRremote.h>
#include <LiquidCrystal_I2C.h>

#define relay1 13
#define relay2 12
#define relay3 14
#define relay4 27
#define IR_RECEIVER_PIN 26

IRrecv RECEIVER_PIN(IR_RECEIVER_PIN);
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);
  pinMode(relay3, OUTPUT);
  pinMode(relay4, OUTPUT);
  lcd.init(); 
  lcd.backlight(); 
  RECEIVER_PIN.enableIRIn();
  RECEIVER_PIN.blink13(true);
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.print("Indicator:");

  lcd.setCursor(0, 3);
  lcd.print("Christine Alo");

  if(RECEIVER_PIN.decode()){

    String response = String(RECEIVER_PIN.decodedIRData.command);

    if(response=="48") { //  1 
      digitalWrite(relay1, HIGH);
      lcd.setCursor(0, 1);
      lcd.print("LED1 is ON");
    }
    else if(response=="24"){ // 2 
      digitalWrite(relay2, HIGH);
      lcd.setCursor(0, 1);
      lcd.print("LED2 is ON");
    }
    else if(response=="122"){ //  3 
      digitalWrite(relay3, HIGH);
      lcd.setCursor(0, 1);
      lcd.print("LED3 is ON");
    }
    else if(response=="16"){ //  4 
      digitalWrite(relay4, HIGH);
      lcd.setCursor(0, 1);
      lcd.print("LED4 is ON");
    }
    else if(response=="162"){ //POWER OFF 
      digitalWrite(relay1, LOW);
      digitalWrite(relay2, LOW);
      digitalWrite(relay3, LOW);
      digitalWrite(relay4, LOW);
      lcd.setCursor(0, 1);
      lcd.print("Tapos naaaa");
    }
  RECEIVER_PIN.resume();
  }
}