/**
 * @file player-sd-audiokit.ino
 * @brief see https://github.com/pschatzmann/arduino-audio-tools/blob/main/examples/examples-audiokit/player-sd-audiokit/README.md
 * Make sure that the pins are set to off, on, on, off, off
 * @author Phil Schatzmann
 * @copyright GPLv3
 */


#include "AudioTools.h"
#include "AudioLibs/AudioKit.h"
#include "AudioLibs/AudioSourceSD.h" // or AudioSourceIdxSD.h
#include "AudioCodecs/CodecWAV.h"

const char *startFilePath="/";
const char* ext="wav";
AudioSourceSD source(startFilePath, ext, PIN_AUDIO_KIT_SD_CARD_CS);
AudioKitStream kit;
WAVDecoder decoder;  // or change to MP3DecoderMAD
AudioPlayer player(source, kit, decoder);

void next(bool, int, void*) {
   player.next();
}

void previous(bool, int, void*) {
   player.previous();
}

void startStop(bool, int, void*) {
   player.setActive(!player.isActive());
}

void setup() {
  Serial.begin(115200);
  AudioLogger::instance().begin(Serial, AudioLogger::Warning);

  // setup output
  auto cfg = kit.defaultConfig(RXTX_MODE);
  // sd_active is setting up SPI with the right SD pins by calling
  // SPI.begin(PIN_AUDIO_KIT_SD_CARD_CLK, PIN_AUDIO_KIT_SD_CARD_MISO, PIN_AUDIO_KIT_SD_CARD_MOSI, PIN_AUDIO_KIT_SD_CARD_CS);
  cfg.sd_active = true;
  //cfg.bits_per_sample = 8;
  kit.begin(cfg);
  kit.setVolume(0.9);
  // setup additional buttons
  kit.addAction(PIN_KEY1, startStop);
  kit.addAction(PIN_KEY4, next);
  kit.addAction(PIN_KEY3, previous);


  // setup player
  player.setVolume(0.9);
  player.begin();

  // select file with setPath() or setIndex()
  //player.setPath("/ZZ Top/Unknown Album/Lowrider.mp3");
  //player.setIndex(1); // 2nd file

}

void loop() {
  player.copy();
  kit.processActions();

}