#include <IRremote.hpp>

#define IR_RECEIVE_PIN 2
#define IR_SEND_PIN 3

uint32_t lastCode = 0;

void setup() {
  Serial.begin(9600);
  delay(500);

  IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);
  IrSender.begin(IR_SEND_PIN, ENABLE_LED_FEEDBACK);

  Serial.println("IR Clone Test Ready");
  Serial.println("Press remote button to capture.");
  Serial.println("Type 's' and press ENTER to send captured code.");
}

void loop() {
  // ---- RECEIVE ----
  if (IrReceiver.decode()) {

    lastCode = IrReceiver.decodedIRData.decodedRawData;

    Serial.print("Captured Code: 0x");
    Serial.println(lastCode, HEX);

    IrReceiver.resume();
  }

  // ---- SEND ----
  if (Serial.available()) {
    char cmd = Serial.read();

    if (cmd == 's' || cmd == 'S') {
      if (lastCode != 0) {
        Serial.println("Sending captured IR code...");
        
        IrSender.sendNECRaw(lastCode);

        Serial.println("Signal complete");
      } else {
        Serial.println("No IR code captured yet.");
      }
    }
  }
}