#include <WiFi.h>
#include <esp_now.h>
#include <JQ6500_Serial.h>

#define RX_PIN D7
#define TX_PIN D6

uint8_t peerAddress[] = {0x58, 0xE6, 0xC5, 0x19, 0xAD, 0xC8};

HardwareSerial mp3Serial(1);
JQ6500_Serial mp3(mp3Serial);

int trigger;

void OnDataRecv(const esp_now_recv_info_t *info,
                const uint8_t *incomingData,
                int len) {

  memcpy(&trigger, incomingData, sizeof(trigger));

  Serial.println("Playing track 4");

  mp3.playFileByIndexNumber(4);

  delay(3000); // adjust to track length

  // Send ACK back
  esp_now_send(peerAddress, (uint8_t *)&trigger, sizeof(trigger));
}

void setup() {
  Serial.begin(115200);

  // MP3 INIT
  mp3Serial.begin(9600, SERIAL_8N1, RX_PIN, TX_PIN);
  delay(3000);

  mp3.reset();
  delay(1000);

  mp3.setSource(MP3_SRC_BUILTIN);
  delay(500);

  mp3.setVolume(25);
  delay(500);

  WiFi.mode(WIFI_STA);
  esp_now_init();

  esp_now_peer_info_t peerInfo = {};
  memcpy(peerInfo.peer_addr, peerAddress, 6);
  esp_now_add_peer(&peerInfo);

  esp_now_register_recv_cb(OnDataRecv);

  Serial.println("Board 2 ready");
}

void loop() {}