#include <AF_Wave.h>
#include <avr/pgmspace.h>
#include "util.h"
#include "wave.h"

AF_Wave card;
File f;
Wavefile wave;      // only one!

#define redled 9

void setup() {
  Serial.begin(9600);           // set up Serial library at 9600 bps
  Serial.println("Audifono test!");

  pinMode(2, OUTPUT); 
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(redled, OUTPUT);
  
  if (!card.init_card()) {
    putstring_nl("Card init. failed!"); return;
  }
  if (!card.open_partition()) {
    putstring_nl("No partition!"); return;
  }
  if (!card.open_filesys()) {
    putstring_nl("Couldn't open filesys"); return;
  }

 if (!card.open_rootdir()) {
    putstring_nl("Couldn't open dir"); return;
  }

  putstring_nl("Files found:");
  ls();
}

void ls() {
  char name[13];
  int ret;
  
  card.reset_dir();
  putstring_nl("Files found:");
  while (1) {
    ret = card.get_next_name_in_dir(name);
    if (!ret) {
       card.reset_dir();
       return;
    }
    Serial.println(name);
  }
}

uint8_t tracknum = 0;
char c = 0;
char c_old = 0;
byte incomingByte;
char filename[13];

void loop() { 
      
   if (Serial.available() > 0) {
	incomingByte = Serial.read();
        c = incomingByte;
	Serial.print(incomingByte, BYTE);
   }
    
   if ( ( c > 0 ) && (c!=c_old) )
   {
    int i = 0;
    c_old = c;
    
    if(c<=9)
    {
      filename[i] = c + '0';
      filename[i+1] = '.';
      filename[i+2] = 'W';
      filename[i+3] = 'A';
      filename[i+4] = 'V';
      filename[i+5] = 0;  
    }
    else if(c>9)
    {
      filename[i] = (int)(c/10) + '0';
      filename[i+1] = c%10 + '0';
      filename[i+2] = '.';
      filename[i+3] = 'W';
      filename[i+4] = 'A';
      filename[i+5] = 'V';
      filename[i+6] = 0;  
    }
    playfile(filename);
   }
   else if ( (c==0) && (c!=c_old) )
   {
     c_old = c;
     stop_play();
   }
   
   if( (!wave.isplaying) && (c!=0) )
   {
     stop_play();
     playfile(filename);
   }   
}

void playcomplete(char *name) {
  playfile(name);
  while (wave.isplaying){}  
  card.close_file(f);
}

void stop_play() {
    wave.stop();
    card.close_file(f);
    card.reset_dir();
} 

void playfile(char *name) {
  // stop any file already playing
  if (wave.isplaying) {
    wave.stop();
    card.close_file(f);
  }
  card.reset_dir();
  f = card.open_file(name);
  if (f && wave.create(f)) {
    wave.play();
  }
}