#include <aubio.h>
#include "utils_tests.h"

int test_wrong_params(void);

int main(int argc, char **argv)
{
  uint_t err = 0;
  if (argc < 3 || argc >= 6) {
    PRINT_ERR("wrong number of arguments, running tests\n");
    err = test_wrong_params();
    PRINT_MSG("usage: %s <input_path> <output_path> [samplerate] [hop_size]\n",
        argv[0]);
    return err;
  }

  uint_t samplerate = 0;
  uint_t hop_size = 512;
  uint_t n_frames = 0, read = 0;

  char_t *source_path = argv[1];
  char_t *sink_path = argv[2];

  if ( argc >= 4 ) samplerate = atoi(argv[3]);
  if ( argc >= 5 ) hop_size = atoi(argv[4]);

  fvec_t *vec = new_fvec(hop_size);

  aubio_source_t *i = new_aubio_source(source_path, samplerate, hop_size);
  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(i);

  aubio_sink_t *o = new_aubio_sink(sink_path, samplerate);

  if (!vec || !i || !o) { err = 1; goto failure; }

  do {
    aubio_source_do(i, vec, &read);
    aubio_sink_do(o, vec, read);
    n_frames += read;
  } while ( read == hop_size );

  PRINT_MSG("%d frames read at %dHz (%d blocks) from %s and written to %s\n",
      n_frames, samplerate, n_frames / hop_size,
      source_path, sink_path);

  // close sink now (optional)
  aubio_sink_close(o);

failure:
  if (o)
    del_aubio_sink(o);
  if (i)
    del_aubio_source(i);
  if (vec)
    del_fvec(vec);

  return err;
}

int test_wrong_params(void)
{
  fvec_t *vec;
  fmat_t *mat;
  aubio_sink_t *s;
  char_t sink_path[PATH_MAX] = "tmp_aubio_XXXXXX";
  uint_t samplerate = 44100;
  uint_t hop_size = 256;
  uint_t oversized_hop_size = 4097;
  uint_t oversized_samplerate = 192000 * 8 + 1;
  uint_t channels = 3;
  uint_t oversized_channels = 1025;
  // create temp file
  int fd = create_temp_sink(sink_path);

  if (!fd) return 1;

  if (new_aubio_sink(   0,   samplerate)) return 1;
  if (new_aubio_sink("\0",   samplerate)) return 1;
  if (new_aubio_sink(sink_path,      -1)) return 1;

  s = new_aubio_sink(sink_path, 0);

  // check setting wrong parameters fails
  if (!aubio_sink_preset_samplerate(s, oversized_samplerate)) return 1;
  if (!aubio_sink_preset_channels(s, oversized_channels)) return 1;
  if (!aubio_sink_preset_channels(s, -1)) return 1;

  // check setting valid parameters passes
  if (aubio_sink_preset_samplerate(s, samplerate)) return 1;
  if (aubio_sink_preset_channels(s, 1)) return 1;

  // check writing a vector with valid length
  vec = new_fvec(hop_size);
  aubio_sink_do(s, vec, hop_size);
  // check writing more than in the input
  aubio_sink_do(s, vec, hop_size+1);
  // check write 0 frames
  aubio_sink_do(s, vec, 0);
  del_fvec(vec);

  // check writing an oversized vector
  vec = new_fvec(oversized_hop_size);
  aubio_sink_do(s, vec, oversized_hop_size);
  del_fvec(vec);

  // test delete without closing
  del_aubio_sink(s);

  s = new_aubio_sink(sink_path, 0);

  // preset channels first
  if (aubio_sink_preset_channels(s, channels)) return 1;
  if (aubio_sink_preset_samplerate(s, samplerate)) return 1;

  if (aubio_sink_get_samplerate(s) != samplerate) return 1;
  if (aubio_sink_get_channels(s) != channels) return 1;

  mat = new_fmat(channels, hop_size);
  // check writing a vector with valid length
  aubio_sink_do_multi(s, mat, hop_size);
  // check writing 0 frames
  aubio_sink_do_multi(s, mat, 0);
  // check writing more than in the input
  aubio_sink_do_multi(s, mat, hop_size+1);
  del_fmat(mat);

  // check writing oversized input
  mat = new_fmat(channels, oversized_hop_size);
  aubio_sink_do_multi(s, mat, oversized_hop_size);
  del_fmat(mat);

  // check writing undersized input
  mat = new_fmat(channels - 1, hop_size);
  aubio_sink_do_multi(s, mat, hop_size);
  del_fmat(mat);

  aubio_sink_close(s);
  // test closing twice
  aubio_sink_close(s);

  del_aubio_sink(s);

  // delete temp file
  close_temp_sink(sink_path, fd);

  return run_on_default_source_and_sink(main);
}