#define _POSIX_C_SOURCE 200809L

#include "mpd_common.h"

#include <limits.h>
#include <string.h>

static void usage(FILE *file, const char *program) {
  fprintf(file, "Usage: %s [--force]\n", program);
}

int main(int argc, char **argv) {
  bool force = false;
  for (int i = 1; i < argc; i++) {
    if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
      usage(stdout, argv[0]);
      return 0;
    }
    if (strcmp(argv[i], "--force") == 0) {
      force = true;
    } else {
      usage(stderr, argv[0]);
      return 2;
    }
  }

  struct mt_strvec tracks;
  mt_strvec_init(&tracks);
  struct mpd_connection *connection = mt_connect();
  if (connection == NULL)
    return 1;

  struct mt_player_state state;
  bool ok = mt_get_player_state(connection, &state);
  unsigned version = UINT_MAX;
  if (ok) {
    version = state.queue_version;
    mt_player_state_clear(&state);
    ok = mt_read_queue(connection, &tracks);
  }
  mpd_connection_free(connection);

  if (ok)
    ok = mt_edit_lines(&tracks);
  if (ok) {
    connection = mt_connect();
    if (connection == NULL)
      ok = false;
    else {
      ok = mt_replace_queue(connection, &tracks, version, force);
      mpd_connection_free(connection);
    }
  }
  if (ok)
    printf("Queue updated successfully.\n");
  mt_strvec_clear(&tracks);
  return ok ? 0 : 1;
}