#include "Audio_Player.h"
#include "Audio.h"
#include "FFat.h"

static Audio audio;
static TaskHandle_t audioTaskHandle = NULL;
static volatile bool audioTaskRunning = false;

// ── Background decode task (Core 0) ──────────────────────────────────────────
static void audioLoopTask(void* param) {
  audioTaskRunning = true;
  while (audioTaskRunning) {
    audio.loop();
    vTaskDelay(pdMS_TO_TICKS(1));
  }
  audioTaskHandle = NULL;
  vTaskDelete(NULL);
}

void initAudioPlayer() {
  audio.setPinout(I2S_BCLK, I2S_LRCK, I2S_DIN);
  audio.setVolume(g_volume);
  if (!audioTaskHandle) {
    xTaskCreatePinnedToCore(audioLoopTask, "audioLoop", 16384, NULL, 5, &audioTaskHandle, 0);
  }
}

// ── Public controls ───────────────────────────────────────────────────────────
void playAudio(const char* fullPath) {
  printf("Audio: playing %s\r\n", fullPath);
  audio.connecttoFS(FFat, fullPath);
}

void playMemoryAudio(int memoryIndex) {
  if (memoryIndex < 0 || memoryIndex >= g_memoryCount) return;
  const char* audioFile = g_memories[memoryIndex].audio;
  if (audioFile[0] == '\0') return; // no audio for this memory
  char path[120];
  snprintf(path, sizeof(path), "/audio/%s", audioFile);
  playAudio(path);
}

void stopAudio() {
  audio.stopSong();
}

void pauseResumeAudio() {
  audio.pauseResume();
}

bool isAudioPlaying() {
  return audio.isRunning();
}

void setPlayerVolume(uint8_t volume) {
  if (volume > 21) volume = 21;
  g_volume = volume;
  audio.setVolume(g_volume);
  printf("Audio: volume -> %d/21\r\n", g_volume);
}

uint8_t getPlayerVolume() {
  return g_volume;
}