#include <IRremote.h>

// Define pin connections
const int IR_RECEIVE_PIN = 2;      // IR Receiver Output to Digital Pin 2
const int STATUS_LED_PIN = 8;      // Status LED to Digital Pin 8
const int DETECTION_LED_PIN = 9;   // Detection LED to Digital Pin 9
const int BUZZER_PIN = 10;         // Buzzer to Digital Pin 10

IRrecv irrecv(IR_RECEIVE_PIN);      // Create IR Receiver object
decode_results results;             // Variable to store the results

void setup() {
  // Initialize serial communication for debugging
  Serial.begin(9600);

  // Initialize pin modes
  pinMode(STATUS_LED_PIN, OUTPUT);
  pinMode(DETECTION_LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  // Turn on the status LED to indicate the system is active
  digitalWrite(STATUS_LED_PIN, HIGH);

  // Start the IR receiver
  irrecv.enableIRIn();
}

void loop() {
  // Check if an IR signal has been received
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX); // Print the received value for debugging

    // Example: Check if a specific button on the remote was pressed
    // Replace 0xFFA25D with the actual code from your remote
    if (results.value == 0xFFA25D) { // Example code for a specific button
      // Turn on detection LED
      digitalWrite(DETECTION_LED_PIN, HIGH);
      // Activate buzzer
      digitalWrite(BUZZER_PIN, HIGH);
      // Keep the alert active for a duration
      delay(500);
      // Deactivate buzzer
      digitalWrite(BUZZER_PIN, LOW);
      // Turn off detection LED
      digitalWrite(DETECTION_LED_PIN, LOW);
    }

    // Resume receiving the next value
    irrecv.resume();
  }
}